[INFO] cloning repository https://github.com/slangerosuna/Matryoshka
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/slangerosuna/Matryoshka" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslangerosuna%2FMatryoshka", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslangerosuna%2FMatryoshka'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d84053126b262b36c4e1ea69d6f659da7027a929
[INFO] checking slangerosuna/Matryoshka against master#f8c27dfe1a2e7fb538fd91dad53de06992c7c967 for pr-138915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fslangerosuna%2FMatryoshka" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/slangerosuna/Matryoshka on toolchain f8c27dfe1a2e7fb538fd91dad53de06992c7c967
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/slangerosuna/Matryoshka
[INFO] finished tweaking git repo https://github.com/slangerosuna/Matryoshka
[INFO] tweaked toml for git repo https://github.com/slangerosuna/Matryoshka written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/slangerosuna/Matryoshka 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" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/Cargo.toml: unused manifest key: profile.release.package.*.edition
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/Cargo.toml: unused manifest key: profile.release.package.*.name
[INFO] [stderr] warning: /workspace/builds/worker-4-tc1/source/Cargo.toml: unused manifest key: profile.release.package.*.version
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding approx v0.4.0
[INFO] [stderr]       Adding cgmath v0.18.0
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] abf390c08cd95c12551d64d8c53f62bd5ebc7bf6dc286eadcbfdd32d263216b9
[INFO] running `Command { std: "docker" "start" "-a" "abf390c08cd95c12551d64d8c53f62bd5ebc7bf6dc286eadcbfdd32d263216b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "abf390c08cd95c12551d64d8c53f62bd5ebc7bf6dc286eadcbfdd32d263216b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf390c08cd95c12551d64d8c53f62bd5ebc7bf6dc286eadcbfdd32d263216b9", kill_on_drop: false }`
[INFO] [stdout] abf390c08cd95c12551d64d8c53f62bd5ebc7bf6dc286eadcbfdd32d263216b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+f8c27dfe1a2e7fb538fd91dad53de06992c7c967" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3515e2ea39585ce8052935b754cacca1269735c1879b40e797463fea68baffbd
[INFO] running `Command { std: "docker" "start" "-a" "3515e2ea39585ce8052935b754cacca1269735c1879b40e797463fea68baffbd", kill_on_drop: false }`
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: profile.release.package.*.edition
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: profile.release.package.*.name
[INFO] [stderr] warning: /opt/rustwide/workdir/Cargo.toml: unused manifest key: profile.release.package.*.version
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling serde v1.0.171
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/autocfg-df26e4b877e3334a/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/serde-c583928f1010e40b/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/once_cell-ec48406ef2aa3bfc/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/.fingerprint/libc-490a7c55f8013954/invoked.timestamp`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "3515e2ea39585ce8052935b754cacca1269735c1879b40e797463fea68baffbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3515e2ea39585ce8052935b754cacca1269735c1879b40e797463fea68baffbd", kill_on_drop: false }`
[INFO] [stdout] 3515e2ea39585ce8052935b754cacca1269735c1879b40e797463fea68baffbd