[INFO] cloning repository https://github.com/LearningOS/learn_rust_rustlings-wnz27
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LearningOS/learn_rust_rustlings-wnz27" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-wnz27", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-wnz27'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07d807e39d46fc096eb8aa10b67cc47b01c271ed
[INFO] checking LearningOS/learn_rust_rustlings-wnz27/07d807e39d46fc096eb8aa10b67cc47b01c271ed against try#6d565b71a096078f59574161a2a382ec4a1eb751 for pr-132325
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLearningOS%2Flearn_rust_rustlings-wnz27" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/LearningOS/learn_rust_rustlings-wnz27 on toolchain 6d565b71a096078f59574161a2a382ec4a1eb751
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-wnz27
[INFO] finished tweaking git repo https://github.com/LearningOS/learn_rust_rustlings-wnz27
[INFO] tweaked toml for git repo https://github.com/LearningOS/learn_rust_rustlings-wnz27 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/LearningOS/learn_rust_rustlings-wnz27 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" "+6d565b71a096078f59574161a2a382ec4a1eb751" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b845eea04078b06aa27deece5dc3b3aacc2e38f16f1f4e8a3a97ff5c062abe3
[INFO] running `Command { std: "docker" "start" "-a" "3b845eea04078b06aa27deece5dc3b3aacc2e38f16f1f4e8a3a97ff5c062abe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b845eea04078b06aa27deece5dc3b3aacc2e38f16f1f4e8a3a97ff5c062abe3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b845eea04078b06aa27deece5dc3b3aacc2e38f16f1f4e8a3a97ff5c062abe3", kill_on_drop: false }`
[INFO] [stdout] 3b845eea04078b06aa27deece5dc3b3aacc2e38f16f1f4e8a3a97ff5c062abe3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+6d565b71a096078f59574161a2a382ec4a1eb751" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e6748a5ea037d66adb69f427e9d2fff5ffb10cbeedc97511e22206ebb0c71c0
[INFO] running `Command { std: "docker" "start" "-a" "2e6748a5ea037d66adb69f427e9d2fff5ffb10cbeedc97511e22206ebb0c71c0", 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 serde_derive v1.0.129
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling argh_derive v0.1.5
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr]     Checking argh v0.1.5
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/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/rustcQIynjF/list" "-Wl,--no-undefined-version" "-m64" "/tmp/rustcQIynjF/symbols.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.00.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.01.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.02.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.03.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.04.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.05.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.06.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.07.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.08.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.09.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.serde_derive.38dc5550be4666f4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.aqss81x4jb08bry1zl26emfw5.rcgu.rmeta" "/opt/rustwide/target/debug/deps/serde_derive-a4e5d894a74f2e5d.6bf6qxt022v0lkh7xh0cwqetv.rcgu.o" "-Wl,--as-needed" "-Wl,-Bstatic" "/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/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libproc_macro-48fdbe75ea06e368.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-fb8c387236db3c10.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-b251837809b2f64b.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-cbef83eaa4e01f04.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-12a772286de2fca7.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-023bbe5ada7abfc3.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-de2bcdf10ec69c2b.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-8e1754df350800fd.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-06c2ab7b9c32e037.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51d2621fc57a281b.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-54a930408793772f.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-0c7d01cba400dcb2.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-b9f84d69e331b75b.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-eec95493246aae39.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f6676c475e08ab0.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-799d520624f8b2e0.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-fcf93d4842acd9a9.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-395a38b8e0851c9b.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d453bab70303062c.rlib" "/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0e6386368b0a24e8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-B/opt/rustwide/rustup-home/toolchains/6d565b71a096078f59574161a2a382ec4a1eb751/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/6d565b71a096078f59574161a2a382ec4a1eb751/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/libserde_derive-a4e5d894a74f2e5d.so" "-Wl,--gc-sections" "-shared" "-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] [stderr] error: could not compile `serde_derive` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "2e6748a5ea037d66adb69f427e9d2fff5ffb10cbeedc97511e22206ebb0c71c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e6748a5ea037d66adb69f427e9d2fff5ffb10cbeedc97511e22206ebb0c71c0", kill_on_drop: false }`
[INFO] [stdout] 2e6748a5ea037d66adb69f427e9d2fff5ffb10cbeedc97511e22206ebb0c71c0