[INFO] fetching crate async-channel 2.3.1...
[INFO] checking async-channel-2.3.1 against master#b286722878e18db29a7fbe672be7c4d3b02e8e4d for pr-127655
[INFO] extracting crate async-channel 2.3.1 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate async-channel 2.3.1 on toolchain b286722878e18db29a7fbe672be7c4d3b02e8e4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-channel 2.3.1
[INFO] finished tweaking crates.io crate async-channel 2.3.1
[INFO] tweaked toml for crates.io crate async-channel 2.3.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "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 easy-parallel v3.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6314e2ee2193dff5fc5049a9edbf7629e81a993ab7a3a3dc4e63eeac91cbf5c7
[INFO] running `Command { std: "docker" "start" "-a" "6314e2ee2193dff5fc5049a9edbf7629e81a993ab7a3a3dc4e63eeac91cbf5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6314e2ee2193dff5fc5049a9edbf7629e81a993ab7a3a3dc4e63eeac91cbf5c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6314e2ee2193dff5fc5049a9edbf7629e81a993ab7a3a3dc4e63eeac91cbf5c7", kill_on_drop: false }`
[INFO] [stdout] 6314e2ee2193dff5fc5049a9edbf7629e81a993ab7a3a3dc4e63eeac91cbf5c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+b286722878e18db29a7fbe672be7c4d3b02e8e4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8655036d7cd351d0bea6a24ac81fc1d146ebbd6d20146a83777e4fdfb9f3aa03
[INFO] running `Command { std: "docker" "start" "-a" "8655036d7cd351d0bea6a24ac81fc1d146ebbd6d20146a83777e4fdfb9f3aa03", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.87s
[INFO] running `Command { std: "docker" "inspect" "8655036d7cd351d0bea6a24ac81fc1d146ebbd6d20146a83777e4fdfb9f3aa03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8655036d7cd351d0bea6a24ac81fc1d146ebbd6d20146a83777e4fdfb9f3aa03", kill_on_drop: false }`
[INFO] [stdout] 8655036d7cd351d0bea6a24ac81fc1d146ebbd6d20146a83777e4fdfb9f3aa03
[INFO] checking async-channel-2.3.1 against try#6a5749073f2ebf59d7740d30e50a932a85756ee7 for pr-127655
[INFO] extracting crate async-channel 2.3.1 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate async-channel 2.3.1 on toolchain 6a5749073f2ebf59d7740d30e50a932a85756ee7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-channel 2.3.1
[INFO] finished tweaking crates.io crate async-channel 2.3.1
[INFO] tweaked toml for crates.io crate async-channel 2.3.1 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 32 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af4a43f6524eb75c2c103238716ed01f9f232e32539685c5f905dba7c3696a71
[INFO] running `Command { std: "docker" "start" "-a" "af4a43f6524eb75c2c103238716ed01f9f232e32539685c5f905dba7c3696a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af4a43f6524eb75c2c103238716ed01f9f232e32539685c5f905dba7c3696a71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af4a43f6524eb75c2c103238716ed01f9f232e32539685c5f905dba7c3696a71", kill_on_drop: false }`
[INFO] [stdout] af4a43f6524eb75c2c103238716ed01f9f232e32539685c5f905dba7c3696a71
[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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+6a5749073f2ebf59d7740d30e50a932a85756ee7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 520aacc9ccb816438c95f79339d5ad37ff60cee793f9a581ce4020a0083cb510
[INFO] running `Command { std: "docker" "start" "-a" "520aacc9ccb816438c95f79339d5ad37ff60cee793f9a581ce4020a0083cb510", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]     Checking parking v2.2.0
[INFO] [stderr]     Checking futures-core v0.3.30
[INFO] [stderr]     Checking fastrand v2.1.0
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking easy-parallel v3.3.1
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking concurrent-queue v2.5.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking async-channel v2.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s
[INFO] running `Command { std: "docker" "inspect" "520aacc9ccb816438c95f79339d5ad37ff60cee793f9a581ce4020a0083cb510", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "520aacc9ccb816438c95f79339d5ad37ff60cee793f9a581ce4020a0083cb510", kill_on_drop: false }`
[INFO] [stdout] 520aacc9ccb816438c95f79339d5ad37ff60cee793f9a581ce4020a0083cb510
