[INFO] fetching crate bit_buffers 0.1.2...
[INFO] checking bit_buffers-0.1.2 against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] extracting crate bit_buffers 0.1.2 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate bit_buffers 0.1.2 on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bit_buffers 0.1.2
[INFO] finished tweaking crates.io crate bit_buffers 0.1.2
[INFO] tweaked toml for crates.io crate bit_buffers 0.1.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate bit_buffers 0.1.2 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a72f4f94c893b4d90a2e73aa7b5f1ab13eaad87feac607589164c0b88f8215b3
[INFO] running `Command { std: "docker" "start" "-a" "a72f4f94c893b4d90a2e73aa7b5f1ab13eaad87feac607589164c0b88f8215b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a72f4f94c893b4d90a2e73aa7b5f1ab13eaad87feac607589164c0b88f8215b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a72f4f94c893b4d90a2e73aa7b5f1ab13eaad87feac607589164c0b88f8215b3", kill_on_drop: false }`
[INFO] [stdout] a72f4f94c893b4d90a2e73aa7b5f1ab13eaad87feac607589164c0b88f8215b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6d67f0258eafdcf6bae450dde15ab84279c2718ca3e8ff3a0ae380f991665f4b
[INFO] running `Command { std: "docker" "start" "-a" "6d67f0258eafdcf6bae450dde15ab84279c2718ca3e8ff3a0ae380f991665f4b", kill_on_drop: false }`
[INFO] [stderr]     Checking bit_buffers v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] running `Command { std: "docker" "inspect" "6d67f0258eafdcf6bae450dde15ab84279c2718ca3e8ff3a0ae380f991665f4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d67f0258eafdcf6bae450dde15ab84279c2718ca3e8ff3a0ae380f991665f4b", kill_on_drop: false }`
[INFO] [stdout] 6d67f0258eafdcf6bae450dde15ab84279c2718ca3e8ff3a0ae380f991665f4b