[INFO] fetching crate b2c2-compiler 1.0.6...
[INFO] checking b2c2-compiler-1.0.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate b2c2-compiler 1.0.6 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate b2c2-compiler 1.0.6
[INFO] finished tweaking crates.io crate b2c2-compiler 1.0.6
[INFO] tweaked toml for crates.io crate b2c2-compiler 1.0.6 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate b2c2-compiler 1.0.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8f4c3620af20dd57a7aefcf138b99d9e100beca3038fdf16956df59fd4c09258
[INFO] running `Command { std: "docker" "start" "-a" "8f4c3620af20dd57a7aefcf138b99d9e100beca3038fdf16956df59fd4c09258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8f4c3620af20dd57a7aefcf138b99d9e100beca3038fdf16956df59fd4c09258", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4c3620af20dd57a7aefcf138b99d9e100beca3038fdf16956df59fd4c09258", kill_on_drop: false }`
[INFO] [stdout] 8f4c3620af20dd57a7aefcf138b99d9e100beca3038fdf16956df59fd4c09258
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ba44392af3d915dd3f60b7dde921c3b27139a69454ea136f210a1ce5d2834cc1
[INFO] running `Command { std: "docker" "start" "-a" "ba44392af3d915dd3f60b7dde921c3b27139a69454ea136f210a1ce5d2834cc1", kill_on_drop: false }`
[INFO] [stderr]     Checking b2c2-common v0.1.1
[INFO] [stderr]     Checking b2c2-casl2 v0.1.4
[INFO] [stderr]     Checking b2c2-tokenizer v1.0.1
[INFO] [stderr]     Checking b2c2-compiler-common v0.1.4
[INFO] [stderr]     Checking b2c2-stat v0.1.5
[INFO] [stderr]     Checking b2c2-parser v1.0.5
[INFO] [stderr]     Checking b2c2-compiler v1.0.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.77s
[INFO] running `Command { std: "docker" "inspect" "ba44392af3d915dd3f60b7dde921c3b27139a69454ea136f210a1ce5d2834cc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba44392af3d915dd3f60b7dde921c3b27139a69454ea136f210a1ce5d2834cc1", kill_on_drop: false }`
[INFO] [stdout] ba44392af3d915dd3f60b7dde921c3b27139a69454ea136f210a1ce5d2834cc1