[INFO] cloning repository https://github.com/dakamakat/rustlings-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dakamakat/rustlings-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdakamakat%2Frustlings-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdakamakat%2Frustlings-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0cf8ffedb48ff7bc061ba2ebae091b8182590d0f [INFO] testing dakamakat/rustlings-learn against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdakamakat%2Frustlings-learn" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dakamakat/rustlings-learn on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dakamakat/rustlings-learn [INFO] finished tweaking git repo https://github.com/dakamakat/rustlings-learn [INFO] tweaked toml for git repo https://github.com/dakamakat/rustlings-learn written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/dakamakat/rustlings-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e0817bdbaf1d3d05f6a6fdd25c5f400e178515aa765ef3cd6875eae82968717 [INFO] running `Command { std: "docker" "start" "-a" "8e0817bdbaf1d3d05f6a6fdd25c5f400e178515aa765ef3cd6875eae82968717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e0817bdbaf1d3d05f6a6fdd25c5f400e178515aa765ef3cd6875eae82968717", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e0817bdbaf1d3d05f6a6fdd25c5f400e178515aa765ef3cd6875eae82968717", kill_on_drop: false }` [INFO] [stdout] 8e0817bdbaf1d3d05f6a6fdd25c5f400e178515aa765ef3cd6875eae82968717 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a7c0902640c2669bbd5bd10c56c901c1f0da66861e2d8cf6cdd7c54d56e46f3e [INFO] running `Command { std: "docker" "start" "-a" "a7c0902640c2669bbd5bd10c56c901c1f0da66861e2d8cf6cdd7c54d56e46f3e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/tmp/rustcaCIQxB" [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetaS2HMVe" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `indicatif` (lib) due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `regex` (lib) due to 2 previous errors [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/self-contained:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-Wl,--version-script=/tmp/rustcx97Pdz/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustcx97Pdz/symbols.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.00.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.01.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.02.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.03.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.04.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.05.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.06.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.07.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.08.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.argh_derive.23c566e5f2cc3243-cgu.09.rcgu.o" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.bp9s6dbe4jhmf5igufvd3x6iq.rcgu.rmeta" "/opt/rustwide/target/debug/deps/argh_derive-d05b0a8b34f90e98.aebjg3xsefkhr3ve85wf83m3l.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libheck-aa60db521a3e886d.rlib" "/opt/rustwide/target/debug/deps/libunicode_segmentation-8cc51e045b5a7fbb.rlib" "/opt/rustwide/target/debug/deps/libargh_shared-fed8b38cee0d359b.rlib" "/opt/rustwide/target/debug/deps/libsyn-fba4c0e23d3684be.rlib" "/opt/rustwide/target/debug/deps/libquote-3fad997bac0837c8.rlib" "/opt/rustwide/target/debug/deps/libproc_macro2-349caa37785ad7dc.rlib" "/opt/rustwide/target/debug/deps/libunicode_xid-b11525fba24dfc5c.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-7e248b736ec3690e.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9506e3738f23e7c7.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0e87bdc388165b9b.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-28d2ee21ffecbcd0.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-4cd64c3d9fc2560b.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a1fedeceba4cc892.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0b8915cbc76cd410.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-fec2ce82fc5b17fa.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-fdb02324b55b2840.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-db981ef273c68b12.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2c4968ed4cb29e9c.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-661cdd70a5b83118.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbb3bfdc8e63ca5.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a4c5ad4392a26401.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-9409cd7d030362b9.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-7b90a2705bcf265b.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-80d2f129fb536a6f.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-f72b956e24d1de70.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-632ae0f28c5e55ff.rlib" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7586cb84705120bb.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-B/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1ddedbaa5919b7b3e70d984660e21e844c615c97/lib/rustlib/x86_64-unknown-linux-gnu/lib/self-contained" "-o" "/opt/rustwide/target/debug/deps/libargh_derive-d05b0a8b34f90e98.so" "-Wl,--gc-sections" "-shared" "-Wl,-soname=libargh_derive-d05b0a8b34f90e98.so" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: collect2: fatal error: ld terminated with signal 7 [Bus error], core dumped [INFO] [stdout] compilation terminated. [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 1 previous error [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `argh_derive` (lib) due to 2 previous errors [INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device [INFO] [stderr] error: could not compile `serde_derive` (lib) [INFO] running `Command { std: "docker" "inspect" "a7c0902640c2669bbd5bd10c56c901c1f0da66861e2d8cf6cdd7c54d56e46f3e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a7c0902640c2669bbd5bd10c56c901c1f0da66861e2d8cf6cdd7c54d56e46f3e", kill_on_drop: false }` [INFO] [stdout] a7c0902640c2669bbd5bd10c56c901c1f0da66861e2d8cf6cdd7c54d56e46f3e [INFO] testing dakamakat/rustlings-learn against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdakamakat%2Frustlings-learn" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/dakamakat/rustlings-learn on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/dakamakat/rustlings-learn [INFO] finished tweaking git repo https://github.com/dakamakat/rustlings-learn [INFO] tweaked toml for git repo https://github.com/dakamakat/rustlings-learn written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/dakamakat/rustlings-learn already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fc627fdcbe874f37a3b719215eee647fdecba8deb51e7262c265b021e1394b54 [INFO] running `Command { std: "docker" "start" "-a" "fc627fdcbe874f37a3b719215eee647fdecba8deb51e7262c265b021e1394b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc627fdcbe874f37a3b719215eee647fdecba8deb51e7262c265b021e1394b54", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc627fdcbe874f37a3b719215eee647fdecba8deb51e7262c265b021e1394b54", kill_on_drop: false }` [INFO] [stdout] fc627fdcbe874f37a3b719215eee647fdecba8deb51e7262c265b021e1394b54 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 982ec69582a63a9948174c5654330d4747fdeefc24c6ff27b40a678bc0e28e99 [INFO] running `Command { std: "docker" "start" "-a" "982ec69582a63a9948174c5654330d4747fdeefc24c6ff27b40a678bc0e28e99", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.100 [INFO] [stderr] Compiling proc-macro2 v1.0.28 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling syn v1.0.75 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling log v0.4.14 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling serde_derive v1.0.129 [INFO] [stderr] Compiling serde v1.0.129 [INFO] [stderr] Compiling cfg-if v0.1.10 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-segmentation v1.8.0 [INFO] [stderr] Compiling slab v0.4.4 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling once_cell v1.10.0 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling argh_shared v0.1.5 [INFO] [stderr] Compiling unicode-width v0.1.8 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling serde_json v1.0.81 [INFO] [stderr] Compiling same-file v1.0.6 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling heck v0.3.3 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling net2 v0.2.37 [INFO] [stderr] Compiling inotify-sys v0.1.5 [INFO] [stderr] Compiling terminal_size v0.1.17 [INFO] [stderr] Compiling inotify v0.7.1 [INFO] [stderr] Compiling filetime v0.2.15 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling mio v0.6.23 [INFO] [stderr] Compiling itoa v1.0.2 [INFO] [stderr] Compiling number_prefix v0.4.0 [INFO] [stderr] Compiling glob v0.3.0 [INFO] [stderr] Compiling home v0.5.3 [INFO] [stderr] Compiling mio-extras v2.0.6 [INFO] [stderr] Compiling notify v4.0.17 [INFO] [stderr] Compiling regex v1.5.5 [INFO] [stderr] Compiling argh_derive v0.1.5 [INFO] [stderr] Compiling console v0.15.0 [INFO] [stderr] Compiling indicatif v0.16.2 [INFO] [stderr] Compiling argh v0.1.5 [INFO] [stderr] Compiling toml v0.5.9 [INFO] [stderr] Compiling rustlings v5.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.55s [INFO] running `Command { std: "docker" "inspect" "982ec69582a63a9948174c5654330d4747fdeefc24c6ff27b40a678bc0e28e99", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "982ec69582a63a9948174c5654330d4747fdeefc24c6ff27b40a678bc0e28e99", kill_on_drop: false }` [INFO] [stdout] 982ec69582a63a9948174c5654330d4747fdeefc24c6ff27b40a678bc0e28e99 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6065732b5f4d5a3b726cc6e77543c69faead9fc4c208f118bdca4d368499e593 [INFO] running `Command { std: "docker" "start" "-a" "6065732b5f4d5a3b726cc6e77543c69faead9fc4c208f118bdca4d368499e593", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Compiling predicates-core v1.0.2 [INFO] [stderr] Compiling normalize-line-endings v0.3.0 [INFO] [stderr] Compiling difference v2.0.0 [INFO] [stderr] Compiling treeline v0.1.0 [INFO] [stderr] Compiling predicates-tree v1.0.3 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling float-cmp v0.8.0 [INFO] [stderr] Compiling predicates v1.0.8 [INFO] [stderr] Compiling assert_cmd v0.11.1 [INFO] [stderr] Compiling rustlings v5.4.1 (/opt/rustwide/workdir) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.76s [INFO] running `Command { std: "docker" "inspect" "6065732b5f4d5a3b726cc6e77543c69faead9fc4c208f118bdca4d368499e593", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6065732b5f4d5a3b726cc6e77543c69faead9fc4c208f118bdca4d368499e593", kill_on_drop: false }` [INFO] [stdout] 6065732b5f4d5a3b726cc6e77543c69faead9fc4c208f118bdca4d368499e593 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6648ca9643b843aeb6b13768707d62d206a0761c7fdbe5b78397119e8f9ec1ad [INFO] running `Command { std: "docker" "start" "-a" "6648ca9643b843aeb6b13768707d62d206a0761c7fdbe5b78397119e8f9ec1ad", kill_on_drop: false }` [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rustlings-8b148cc5489b50e6) [INFO] [stdout] [INFO] [stdout] running 4 tests [INFO] [stdout] test exercise::test::test_finished_exercise ... ok [INFO] [stdout] test exercise::test::test_pending_state ... ok [INFO] [stdout] test exercise::test::test_clean ... FAILED [INFO] [stdout] test exercise::test::test_exercise_with_output ... FAILED [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_clean stdout ---- [INFO] [stdout] thread 'exercise::test::test_clean' panicked at src/exercise.rs:273:36: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 30, kind: ReadOnlyFilesystem, message: "Read-only file system" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dc61934b15 - std::backtrace_rs::backtrace::libunwind::trace::h644651cb29d88bb0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x55dc61934b15 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f227a4714c93f22 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55dc61934b15 - std::sys::backtrace::_print_fmt::hfe88767e38ff4b4e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x55dc61934b15 - ::fmt::h0e27af9f1d310e0a [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x55dc6195bfbb - core::fmt::rt::Argument::fmt::h900f10175a69b72e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x55dc6195bfbb - core::fmt::write::h3a97e76bd9b733fa [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x55dc61931ebf - std::io::Write::write_fmt::he4611995baa28da3 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x55dc61936331 - std::sys::backtrace::BacktraceLock::print::h52f15558f43bfe2f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x55dc61936331 - std::panicking::default_hook::{{closure}}::h77edc81607b06015 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x55dc61935ed8 - std::panicking::default_hook::h4a889c281e863e6e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x55dc617b079a - as core::ops::function::Fn>::call::h87ae598a6618f03f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x55dc617b079a - test::test_main::{{closure}}::haa35c2695dfcc048 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x55dc61936c3f - as core::ops::function::Fn>::call::h0934a01d4a1cdb06 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x55dc61936c3f - std::panicking::rust_panic_with_hook::h74d8fff54c965152 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x55dc61936867 - std::panicking::begin_panic_handler::{{closure}}::h82b61517a14ab3ae [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x55dc61934fd9 - std::sys::backtrace::__rust_end_short_backtrace::h7f24a51d7748d3e4 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x55dc619364f4 - rust_begin_unwind [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x55dc6195a8b3 - core::panicking::panic_fmt::h7de3a20d92caa6a2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x55dc6195ae06 - core::result::unwrap_failed::hbfce3c09bc996f11 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x55dc6177071a - core::result::Result::unwrap::h09889874bd1b7024 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x55dc6177071a - rustlings::exercise::test::test_clean::h5d6b65ae4734631a [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:273:9 [INFO] [stdout] 21: 0x55dc61770657 - rustlings::exercise::test::test_clean::{{closure}}::h31fbf021f7c11f43 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:272:20 [INFO] [stdout] 22: 0x55dc6176dbd6 - core::ops::function::FnOnce::call_once::h97d9aad78f694272 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55dc617b531b - core::ops::function::FnOnce::call_once::h24a6f01be65f4680 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55dc617b531b - test::__rust_begin_short_backtrace::h7c53016b80d5a608 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x55dc617b4b35 - test::run_test_in_process::{{closure}}::hde6a274ce897aaad [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x55dc617b4b35 - as core::ops::function::FnOnce<()>>::call_once::hd431ac2f54963786 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x55dc617b4b35 - std::panicking::try::do_call::h10362e01a063baa0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x55dc617b4b35 - std::panicking::try::h30318180e4290dce [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x55dc617b4b35 - std::panic::catch_unwind::h97d52b1b1f400ecc [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x55dc617b4b35 - test::run_test_in_process::haec7bb1f728b765d [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x55dc617b4b35 - test::run_test::{{closure}}::ha988a53ee25f80e1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x55dc6177a404 - test::run_test::{{closure}}::hddc4d91f14475af0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x55dc6177a404 - std::sys::backtrace::__rust_begin_short_backtrace::h550bd80387fd32b0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x55dc6177db32 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0907e6530d89c432 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x55dc6177db32 - as core::ops::function::FnOnce<()>>::call_once::h1426168782d20988 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x55dc6177db32 - std::panicking::try::do_call::h9e10c7df8de701e0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x55dc6177db32 - std::panicking::try::hc0169bb633716dc9 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x55dc6177db32 - std::panic::catch_unwind::h2d365a7fbba378ff [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x55dc6177db32 - std::thread::Builder::spawn_unchecked_::{{closure}}::h99b3d5b0eb8d8349 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x55dc6177db32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h785f99837c772588 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x55dc6193af6b - as core::ops::function::FnOnce>::call_once::h9d8f2204f4fcbe73 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x55dc6193af6b - as core::ops::function::FnOnce>::call_once::h817ffd7b41f007e2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x55dc6193af6b - std::sys::pal::unix::thread::Thread::new::thread_start::hfffda88b0cd3e69f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7fa0a2ca2ac3 - [INFO] [stdout] 45: 0x7fa0a2d33a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] ---- exercise::test::test_exercise_with_output stdout ---- [INFO] [stdout] thread 'exercise::test::test_exercise_with_output' panicked at src/exercise.rs:346:38: [INFO] [stdout] called `Result::unwrap()` on an `Err` value: ExerciseOutput { stdout: "", stderr: "\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: couldn't create a temp dir: Read-only file system (os error 30) at path \"/opt/rustwide/workdir/./rmetae9j2Uq\"\u{1b}[0m\n\n\u{1b}[0m\u{1b}[1m\u{1b}[38;5;9merror\u{1b}[0m\u{1b}[0m\u{1b}[1m: aborting due to 1 previous error\u{1b}[0m\n\n" } [INFO] [stdout] stack backtrace: [INFO] [stdout] 0: 0x55dc61934b15 - std::backtrace_rs::backtrace::libunwind::trace::h644651cb29d88bb0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5 [INFO] [stdout] 1: 0x55dc61934b15 - std::backtrace_rs::backtrace::trace_unsynchronized::h4f227a4714c93f22 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stdout] 2: 0x55dc61934b15 - std::sys::backtrace::_print_fmt::hfe88767e38ff4b4e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:66:9 [INFO] [stdout] 3: 0x55dc61934b15 - ::fmt::h0e27af9f1d310e0a [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:39:26 [INFO] [stdout] 4: 0x55dc6195bfbb - core::fmt::rt::Argument::fmt::h900f10175a69b72e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/rt.rs:173:76 [INFO] [stdout] 5: 0x55dc6195bfbb - core::fmt::write::h3a97e76bd9b733fa [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/fmt/mod.rs:1178:21 [INFO] [stdout] 6: 0x55dc61931ebf - std::io::Write::write_fmt::he4611995baa28da3 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/io/mod.rs:1823:15 [INFO] [stdout] 7: 0x55dc61936331 - std::sys::backtrace::BacktraceLock::print::h52f15558f43bfe2f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:42:9 [INFO] [stdout] 8: 0x55dc61936331 - std::panicking::default_hook::{{closure}}::h77edc81607b06015 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:266:22 [INFO] [stdout] 9: 0x55dc61935ed8 - std::panicking::default_hook::h4a889c281e863e6e [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:290:9 [INFO] [stdout] 10: 0x55dc617b079a - as core::ops::function::Fn>::call::h87ae598a6618f03f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 11: 0x55dc617b079a - test::test_main::{{closure}}::haa35c2695dfcc048 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:132:21 [INFO] [stdout] 12: 0x55dc61936c3f - as core::ops::function::Fn>::call::h0934a01d4a1cdb06 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2162:9 [INFO] [stdout] 13: 0x55dc61936c3f - std::panicking::rust_panic_with_hook::h74d8fff54c965152 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:805:13 [INFO] [stdout] 14: 0x55dc61936867 - std::panicking::begin_panic_handler::{{closure}}::h82b61517a14ab3ae [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:671:13 [INFO] [stdout] 15: 0x55dc61934fd9 - std::sys::backtrace::__rust_end_short_backtrace::h7f24a51d7748d3e4 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:170:18 [INFO] [stdout] 16: 0x55dc619364f4 - rust_begin_unwind [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:662:5 [INFO] [stdout] 17: 0x55dc6195a8b3 - core::panicking::panic_fmt::h7de3a20d92caa6a2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panicking.rs:74:14 [INFO] [stdout] 18: 0x55dc6195ae06 - core::result::unwrap_failed::hbfce3c09bc996f11 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1679:5 [INFO] [stdout] 19: 0x55dc6177157a - core::result::Result::unwrap::hf13a1b5879db33a1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/result.rs:1102:23 [INFO] [stdout] 20: 0x55dc6177157a - rustlings::exercise::test::test_exercise_with_output::h0e926d4c77612215 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:346:19 [INFO] [stdout] 21: 0x55dc61771387 - rustlings::exercise::test::test_exercise_with_output::{{closure}}::hb99ea0f3027b8341 [INFO] [stdout] at /opt/rustwide/workdir/src/exercise.rs:339:35 [INFO] [stdout] 22: 0x55dc6176db26 - core::ops::function::FnOnce::call_once::h2e89051bb07468fb [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 23: 0x55dc617b531b - core::ops::function::FnOnce::call_once::h24a6f01be65f4680 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 24: 0x55dc617b531b - test::__rust_begin_short_backtrace::h7c53016b80d5a608 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:620:18 [INFO] [stdout] 25: 0x55dc617b4b35 - test::run_test_in_process::{{closure}}::hde6a274ce897aaad [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:60 [INFO] [stdout] 26: 0x55dc617b4b35 - as core::ops::function::FnOnce<()>>::call_once::hd431ac2f54963786 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 27: 0x55dc617b4b35 - std::panicking::try::do_call::h10362e01a063baa0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 28: 0x55dc617b4b35 - std::panicking::try::h30318180e4290dce [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 29: 0x55dc617b4b35 - std::panic::catch_unwind::h97d52b1b1f400ecc [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 30: 0x55dc617b4b35 - test::run_test_in_process::haec7bb1f728b765d [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:643:27 [INFO] [stdout] 31: 0x55dc617b4b35 - test::run_test::{{closure}}::ha988a53ee25f80e1 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:564:43 [INFO] [stdout] 32: 0x55dc6177a404 - test::run_test::{{closure}}::hddc4d91f14475af0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/test/src/lib.rs:594:41 [INFO] [stdout] 33: 0x55dc6177a404 - std::sys::backtrace::__rust_begin_short_backtrace::h550bd80387fd32b0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/backtrace.rs:154:18 [INFO] [stdout] 34: 0x55dc6177db32 - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h0907e6530d89c432 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:524:17 [INFO] [stdout] 35: 0x55dc6177db32 - as core::ops::function::FnOnce<()>>::call_once::h1426168782d20988 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/panic/unwind_safe.rs:272:9 [INFO] [stdout] 36: 0x55dc6177db32 - std::panicking::try::do_call::h9e10c7df8de701e0 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:554:40 [INFO] [stdout] 37: 0x55dc6177db32 - std::panicking::try::hc0169bb633716dc9 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panicking.rs:518:19 [INFO] [stdout] 38: 0x55dc6177db32 - std::panic::catch_unwind::h2d365a7fbba378ff [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/panic.rs:345:14 [INFO] [stdout] 39: 0x55dc6177db32 - std::thread::Builder::spawn_unchecked_::{{closure}}::h99b3d5b0eb8d8349 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/thread/mod.rs:523:30 [INFO] [stdout] 40: 0x55dc6177db32 - core::ops::function::FnOnce::call_once{{vtable.shim}}::h785f99837c772588 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/core/src/ops/function.rs:250:5 [INFO] [stdout] 41: 0x55dc6193af6b - as core::ops::function::FnOnce>::call_once::h9d8f2204f4fcbe73 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 42: 0x55dc6193af6b - as core::ops::function::FnOnce>::call_once::h817ffd7b41f007e2 [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/alloc/src/boxed.rs:2148:9 [INFO] [stdout] 43: 0x55dc6193af6b - std::sys::pal::unix::thread::Thread::new::thread_start::hfffda88b0cd3e69f [INFO] [stdout] at /rustc/33f1d8bb92813a1bfc23c093c9f443ab09290307/library/std/src/sys/pal/unix/thread.rs:105:17 [INFO] [stdout] 44: 0x7fa0a2ca2ac3 - [INFO] [stdout] 45: 0x7fa0a2d33a04 - clone [INFO] [stdout] 46: 0x0 - [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] failures: [INFO] [stdout] exercise::test::test_clean [INFO] [stdout] exercise::test::test_exercise_with_output [INFO] [stdout] [INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s [INFO] [stdout] [INFO] [stderr] error: test failed, to rerun pass `--bin rustlings` [INFO] running `Command { std: "docker" "inspect" "6648ca9643b843aeb6b13768707d62d206a0761c7fdbe5b78397119e8f9ec1ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6648ca9643b843aeb6b13768707d62d206a0761c7fdbe5b78397119e8f9ec1ad", kill_on_drop: false }` [INFO] [stdout] 6648ca9643b843aeb6b13768707d62d206a0761c7fdbe5b78397119e8f9ec1ad