[INFO] fetching crate multitest 0.0.2...
[INFO] checking multitest-0.0.2 against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] extracting crate multitest 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate multitest 0.0.2 on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multitest 0.0.2
[INFO] finished tweaking crates.io crate multitest 0.0.2
[INFO] tweaked toml for crates.io crate multitest 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] error: failed to write /workspace/builds/worker-2-tc2/source/Cargo.lock
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] checking multitest-0.0.2 against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] extracting crate multitest 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] checking multitest-0.0.2 against try#5e7498e6740d105521420ac0ab146e2c7a21596d for pr-138363
[INFO] extracting crate multitest 0.0.2 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate multitest 0.0.2 on toolchain 5e7498e6740d105521420ac0ab146e2c7a21596d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate multitest 0.0.2
[INFO] finished tweaking crates.io crate multitest 0.0.2
[INFO] tweaked toml for crates.io crate multitest 0.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "generate-lockfile" "--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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d639657f62c52c34336f4f45f716c440055e116473765e78d0363f89e7e45c48
[INFO] running `Command { std: "docker" "start" "-a" "d639657f62c52c34336f4f45f716c440055e116473765e78d0363f89e7e45c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d639657f62c52c34336f4f45f716c440055e116473765e78d0363f89e7e45c48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d639657f62c52c34336f4f45f716c440055e116473765e78d0363f89e7e45c48", kill_on_drop: false }`
[INFO] [stdout] d639657f62c52c34336f4f45f716c440055e116473765e78d0363f89e7e45c48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+5e7498e6740d105521420ac0ab146e2c7a21596d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 906933b8c4a87afe561b95d0fb16bf439c9108229da0b8c639df3527a9accd35
[INFO] running `Command { std: "docker" "start" "-a" "906933b8c4a87afe561b95d0fb16bf439c9108229da0b8c639df3527a9accd35", kill_on_drop: false }`
[INFO] [stderr]     Checking multitest v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] running `Command { std: "docker" "inspect" "906933b8c4a87afe561b95d0fb16bf439c9108229da0b8c639df3527a9accd35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "906933b8c4a87afe561b95d0fb16bf439c9108229da0b8c639df3527a9accd35", kill_on_drop: false }`
[INFO] [stdout] 906933b8c4a87afe561b95d0fb16bf439c9108229da0b8c639df3527a9accd35