[INFO] cloning repository https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/os2edu/rustlings-U2FsdGVkX1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 1)
[INFO] cloning repository https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/os2edu/rustlings-U2FsdGVkX1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1'...
[INFO] [stderr] fatal: write error: No space left on device
[INFO] [stderr] fatal: index-pack failed
[WARN] Retrying crate fetch in 3 seconds (attempt 2)
[INFO] cloning repository https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/os2edu/rustlings-U2FsdGVkX1" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1f848efde2292ca00fb38f1d6456b3f655dcb679
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against master#f25e92bd42b14e45440c0a30a4ed751ea502f430 for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain f25e92bd42b14e45440c0a30a4ed751ea502f430
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fec4fc37c032229da53f9150b1ec7d994b14bcef142a9e011fc151fe58666b71
[INFO] running `Command { std: "docker" "start" "-a" "fec4fc37c032229da53f9150b1ec7d994b14bcef142a9e011fc151fe58666b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fec4fc37c032229da53f9150b1ec7d994b14bcef142a9e011fc151fe58666b71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fec4fc37c032229da53f9150b1ec7d994b14bcef142a9e011fc151fe58666b71", kill_on_drop: false }`
[INFO] [stdout] fec4fc37c032229da53f9150b1ec7d994b14bcef142a9e011fc151fe58666b71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+f25e92bd42b14e45440c0a30a4ed751ea502f430" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b86cb6e882ac03f6f3ac034588e98af0b197b566e77de4c4e1403b31569eba9d
[INFO] running `Command { std: "docker" "start" "-a" "b86cb6e882ac03f6f3ac034588e98af0b197b566e77de4c4e1403b31569eba9d", kill_on_drop: false }`
[INFO] [stderr]     Checking rustlings v5.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "b86cb6e882ac03f6f3ac034588e98af0b197b566e77de4c4e1403b31569eba9d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b86cb6e882ac03f6f3ac034588e98af0b197b566e77de4c4e1403b31569eba9d", kill_on_drop: false }`
[INFO] [stdout] b86cb6e882ac03f6f3ac034588e98af0b197b566e77de4c4e1403b31569eba9d
[INFO] checking os2edu/rustlings-U2FsdGVkX1 against try#81417ccfba1b50f064bed768ddab670f5bbfdcfe for pr-127481
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fos2edu%2Frustlings-U2FsdGVkX1" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 on toolchain 81417ccfba1b50f064bed768ddab670f5bbfdcfe
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] finished tweaking git repo https://github.com/os2edu/rustlings-U2FsdGVkX1
[INFO] tweaked toml for git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/os2edu/rustlings-U2FsdGVkX1 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" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1751cfd226be9f790f54ea22d3a10709f95d56fd3a647788cee289250de9c94
[INFO] running `Command { std: "docker" "start" "-a" "f1751cfd226be9f790f54ea22d3a10709f95d56fd3a647788cee289250de9c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1751cfd226be9f790f54ea22d3a10709f95d56fd3a647788cee289250de9c94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1751cfd226be9f790f54ea22d3a10709f95d56fd3a647788cee289250de9c94", kill_on_drop: false }`
[INFO] [stdout] f1751cfd226be9f790f54ea22d3a10709f95d56fd3a647788cee289250de9c94
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+81417ccfba1b50f064bed768ddab670f5bbfdcfe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 500b4d122b06c344b9630f4f15ae6f2a407a58d91b66fe6f515377eabaeeab32
[INFO] running `Command { std: "docker" "start" "-a" "500b4d122b06c344b9630f4f15ae6f2a407a58d91b66fe6f515377eabaeeab32", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.137
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking memchr v2.4.1
[INFO] [stderr]    Compiling serde v1.0.129
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking terminal_size v0.1.17
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling argh_shared v0.1.5
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling escargot v0.4.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking mio v0.8.5
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking bytes v1.2.1
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking predicates-tree v1.0.3
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking home v0.5.3
[INFO] [stderr]     Checking console v0.15.0
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]     Checking indicatif v0.16.2
[INFO] [stderr] rustc-LLVM ERROR: IO failure on output stream: No space left on device
[INFO] [stderr] error: could not compile `syn` (lib)
[INFO] running `Command { std: "docker" "inspect" "500b4d122b06c344b9630f4f15ae6f2a407a58d91b66fe6f515377eabaeeab32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "500b4d122b06c344b9630f4f15ae6f2a407a58d91b66fe6f515377eabaeeab32", kill_on_drop: false }`
[INFO] [stdout] 500b4d122b06c344b9630f4f15ae6f2a407a58d91b66fe6f515377eabaeeab32