[INFO] fetching crate oxzy-lib 3.0.1...
[INFO] checking oxzy-lib-3.0.1 against master#ba412a6e70ac84641be7764d088acabd0eb3fa39 for pr-145457
[INFO] extracting crate oxzy-lib 3.0.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate oxzy-lib 3.0.1
[INFO] finished tweaking crates.io crate oxzy-lib 3.0.1
[INFO] tweaked toml for crates.io crate oxzy-lib 3.0.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate oxzy-lib 3.0.1 on toolchain ba412a6e70ac84641be7764d088acabd0eb3fa39
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "generate-lockfile" "--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]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding serde v1.0.170 (available: v1.0.219)
[INFO] [stderr]       Adding serde_derive v1.0.170 (available: v1.0.219)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_derive v1.0.170
[INFO] [stderr]   Downloaded serde v1.0.170
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59aa0f4e9c6c5ee28699c321e55d3f4c37bd37311e3a64abe76d81c2676d5551
[INFO] running `Command { std: "docker" "start" "-a" "59aa0f4e9c6c5ee28699c321e55d3f4c37bd37311e3a64abe76d81c2676d5551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59aa0f4e9c6c5ee28699c321e55d3f4c37bd37311e3a64abe76d81c2676d5551", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59aa0f4e9c6c5ee28699c321e55d3f4c37bd37311e3a64abe76d81c2676d5551", kill_on_drop: false }`
[INFO] [stdout] 59aa0f4e9c6c5ee28699c321e55d3f4c37bd37311e3a64abe76d81c2676d5551
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+ba412a6e70ac84641be7764d088acabd0eb3fa39" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 30e13d24d37382f2f393d79b0da4fbdcd312a5397deb977a0ba3aaf8ebfe553b
[INFO] running `Command { std: "docker" "start" "-a" "30e13d24d37382f2f393d79b0da4fbdcd312a5397deb977a0ba3aaf8ebfe553b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling serde v1.0.170
[INFO] [stderr] error: failed to write `/opt/rustwide/target/debug/build/proc-macro2-5480488a80acce52/root-output`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] running `Command { std: "docker" "inspect" "30e13d24d37382f2f393d79b0da4fbdcd312a5397deb977a0ba3aaf8ebfe553b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30e13d24d37382f2f393d79b0da4fbdcd312a5397deb977a0ba3aaf8ebfe553b", kill_on_drop: false }`
[INFO] [stdout] 30e13d24d37382f2f393d79b0da4fbdcd312a5397deb977a0ba3aaf8ebfe553b