[INFO] cloning repository https://github.com/rust-coding-theory/homeworks
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-coding-theory/homeworks" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-coding-theory%2Fhomeworks", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-coding-theory%2Fhomeworks'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] db713e98f177a3a471c4aafcb7f251924cad38e9
[INFO] checking rust-coding-theory/homeworks against master#d2eadb7a94ef8c9deb5137695df33cd1fc5aee92 for pr-137268
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-coding-theory%2Fhomeworks" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-coding-theory/homeworks on toolchain d2eadb7a94ef8c9deb5137695df33cd1fc5aee92
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-coding-theory/homeworks
[INFO] finished tweaking git repo https://github.com/rust-coding-theory/homeworks
[INFO] tweaked toml for git repo https://github.com/rust-coding-theory/homeworks written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-coding-theory/homeworks 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" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polynomial v0.2.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac91455eb5342cda330e67612dc681d44f020c0e3bd61a7b2efcdafae523804
[INFO] running `Command { std: "docker" "start" "-a" "cac91455eb5342cda330e67612dc681d44f020c0e3bd61a7b2efcdafae523804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac91455eb5342cda330e67612dc681d44f020c0e3bd61a7b2efcdafae523804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac91455eb5342cda330e67612dc681d44f020c0e3bd61a7b2efcdafae523804", kill_on_drop: false }`
[INFO] [stdout] cac91455eb5342cda330e67612dc681d44f020c0e3bd61a7b2efcdafae523804
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+d2eadb7a94ef8c9deb5137695df33cd1fc5aee92" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d06e7cd9afff75d9d922d2956437d121ab184c597813bf02e844357b74c99819
[INFO] running `Command { std: "docker" "start" "-a" "d06e7cd9afff75d9d922d2956437d121ab184c597813bf02e844357b74c99819", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stdout] error: failed to write to `/opt/rustwide/target/debug/deps/rmetaWVZ0Xu/full.rmeta`: No space left on device (os error 28)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `num-traits` (lib) due to 1 previous error
[INFO] running `Command { std: "docker" "inspect" "d06e7cd9afff75d9d922d2956437d121ab184c597813bf02e844357b74c99819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d06e7cd9afff75d9d922d2956437d121ab184c597813bf02e844357b74c99819", kill_on_drop: false }`
[INFO] [stdout] d06e7cd9afff75d9d922d2956437d121ab184c597813bf02e844357b74c99819