[INFO] fetching crate async-osc 0.2.0...
[INFO] checking async-osc-0.2.0 against master#5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f for pr-87248
[INFO] extracting crate async-osc 0.2.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate async-osc 0.2.0 on toolchain 5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate async-osc 0.2.0
[INFO] finished tweaking crates.io crate async-osc 0.2.0
[INFO] tweaked toml for crates.io crate async-osc 0.2.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate async-osc 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 61c1985583b173138800fea315f6f617af11db8e74bf077d106117a87695aab8
[INFO] running `Command { std: "docker" "start" "-a" "61c1985583b173138800fea315f6f617af11db8e74bf077d106117a87695aab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "61c1985583b173138800fea315f6f617af11db8e74bf077d106117a87695aab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61c1985583b173138800fea315f6f617af11db8e74bf077d106117a87695aab8", kill_on_drop: false }`
[INFO] [stdout] 61c1985583b173138800fea315f6f617af11db8e74bf077d106117a87695aab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+5a8a44196b3cf099f8c9b0156bd902eaec0b4e5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 423e352e074acc96504b90fde6906ceff7856b334fd07a8570ac8c002d0c8c5c
[INFO] running `Command { std: "docker" "start" "-a" "423e352e074acc96504b90fde6906ceff7856b334fd07a8570ac8c002d0c8c5c", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling signal-hook v0.3.4
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]     Checking rosc v0.4.2
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking socket2 v0.3.19
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]     Checking async-lock v2.3.0
[INFO] [stderr]     Checking nb-connect v1.0.3
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.11.3
[INFO] [stderr]     Checking async-executor v1.4.0
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]    Compiling ctor v0.1.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]     Checking value-bag v1.0.0-alpha.6
[INFO] [stderr]     Checking polling v2.0.2
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking async-io v1.3.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.0.2
[INFO] [stderr]     Checking async-std v1.9.0
[INFO] [stderr]     Checking async-osc v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.06s
[INFO] running `Command { std: "docker" "inspect" "423e352e074acc96504b90fde6906ceff7856b334fd07a8570ac8c002d0c8c5c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "423e352e074acc96504b90fde6906ceff7856b334fd07a8570ac8c002d0c8c5c", kill_on_drop: false }`
[INFO] [stdout] 423e352e074acc96504b90fde6906ceff7856b334fd07a8570ac8c002d0c8c5c