[INFO] fetching crate read-write-ext-tokio 0.1.0...
[INFO] checking read-write-ext-tokio-0.1.0 against master#a3f76a26e045a760bb1163b7eab36872985242d5 for pr-130930
[INFO] extracting crate read-write-ext-tokio 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate read-write-ext-tokio 0.1.0 on toolchain a3f76a26e045a760bb1163b7eab36872985242d5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate read-write-ext-tokio 0.1.0
[INFO] finished tweaking crates.io crate read-write-ext-tokio 0.1.0
[INFO] tweaked toml for crates.io crate read-write-ext-tokio 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 28 packages to latest compatible versions
[INFO] [stderr]       Adding fixed-buffer v0.4.0 (available: v0.5.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fixed-buffer v0.4.0
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b32fd699a6a4ae20765eec4804591a4a0b0e1b0be7247e5eeff7d7bec2c5eabe
[INFO] running `Command { std: "docker" "start" "-a" "b32fd699a6a4ae20765eec4804591a4a0b0e1b0be7247e5eeff7d7bec2c5eabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b32fd699a6a4ae20765eec4804591a4a0b0e1b0be7247e5eeff7d7bec2c5eabe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b32fd699a6a4ae20765eec4804591a4a0b0e1b0be7247e5eeff7d7bec2c5eabe", kill_on_drop: false }`
[INFO] [stdout] b32fd699a6a4ae20765eec4804591a4a0b0e1b0be7247e5eeff7d7bec2c5eabe
[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@sha256:6252d7ea7fb8caaf7af6d800c5fb250a9cd862b9a7f9508afb3c54fa7fe1102e" "/opt/rustwide/cargo-home/bin/cargo" "+a3f76a26e045a760bb1163b7eab36872985242d5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26cee83e378f67ac91be5d2ec322b1d3ad431d1506bc1b4f6ec15b9e64bd3f06
[INFO] running `Command { std: "docker" "start" "-a" "26cee83e378f67ac91be5d2ec322b1d3ad431d1506bc1b4f6ec15b9e64bd3f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling tokio-macros v2.4.0
[INFO] [stderr]     Checking tokio v1.40.0
[INFO] [stderr]     Checking fixed-buffer v0.4.0
[INFO] [stderr]     Checking read-write-ext-tokio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.56s
[INFO] running `Command { std: "docker" "inspect" "26cee83e378f67ac91be5d2ec322b1d3ad431d1506bc1b4f6ec15b9e64bd3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26cee83e378f67ac91be5d2ec322b1d3ad431d1506bc1b4f6ec15b9e64bd3f06", kill_on_drop: false }`
[INFO] [stdout] 26cee83e378f67ac91be5d2ec322b1d3ad431d1506bc1b4f6ec15b9e64bd3f06