[INFO] fetching crate b2histogram 1.0.1...
[INFO] checking b2histogram-1.0.1 against master#4847d6a9d07d4be9ba3196f6ad444af2d7bdde72 for pr-134276
[INFO] extracting crate b2histogram 1.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate b2histogram 1.0.1 on toolchain 4847d6a9d07d4be9ba3196f6ad444af2d7bdde72
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate b2histogram 1.0.1
[INFO] finished tweaking crates.io crate b2histogram 1.0.1
[INFO] tweaked toml for crates.io crate b2histogram 1.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate b2histogram 1.0.1 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" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "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-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a16dae1bd8581c83bdad1898d0b52c3e46337094c4382e2d78f31fd5e3dbc2b5
[INFO] running `Command { std: "docker" "start" "-a" "a16dae1bd8581c83bdad1898d0b52c3e46337094c4382e2d78f31fd5e3dbc2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16dae1bd8581c83bdad1898d0b52c3e46337094c4382e2d78f31fd5e3dbc2b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16dae1bd8581c83bdad1898d0b52c3e46337094c4382e2d78f31fd5e3dbc2b5", kill_on_drop: false }`
[INFO] [stdout] a16dae1bd8581c83bdad1898d0b52c3e46337094c4382e2d78f31fd5e3dbc2b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+4847d6a9d07d4be9ba3196f6ad444af2d7bdde72" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93efab2ccf45f8bb5c6546b5a1447354a38d4497ac184726c21f5ee505503f08
[INFO] running `Command { std: "docker" "start" "-a" "93efab2ccf45f8bb5c6546b5a1447354a38d4497ac184726c21f5ee505503f08", kill_on_drop: false }`
[INFO] [stderr]     Checking b2histogram v1.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "93efab2ccf45f8bb5c6546b5a1447354a38d4497ac184726c21f5ee505503f08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93efab2ccf45f8bb5c6546b5a1447354a38d4497ac184726c21f5ee505503f08", kill_on_drop: false }`
[INFO] [stdout] 93efab2ccf45f8bb5c6546b5a1447354a38d4497ac184726c21f5ee505503f08