[INFO] fetching crate io-mux 2.2.0...
[INFO] checking io-mux-2.2.0 against master#f167efad2f51088d86180ee89177b3d7c9e7c2f5 for pr-129543
[INFO] extracting crate io-mux 2.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate io-mux 2.2.0 on toolchain f167efad2f51088d86180ee89177b3d7c9e7c2f5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate io-mux 2.2.0
[INFO] finished tweaking crates.io crate io-mux 2.2.0
[INFO] tweaked toml for crates.io crate io-mux 2.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 46 packages to latest compatible versions
[INFO] [stderr]       Adding linux-raw-sys v0.4.14 (latest: v0.6.5)
[INFO] [stderr]       Adding windows-sys v0.52.0 (latest: v0.59.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded async-process v2.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d5f173e3b81d6c9ac84a55517b287ef0df064a40573e0aefce7ac2c2e735e2b
[INFO] running `Command { std: "docker" "start" "-a" "0d5f173e3b81d6c9ac84a55517b287ef0df064a40573e0aefce7ac2c2e735e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d5f173e3b81d6c9ac84a55517b287ef0df064a40573e0aefce7ac2c2e735e2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d5f173e3b81d6c9ac84a55517b287ef0df064a40573e0aefce7ac2c2e735e2b", kill_on_drop: false }`
[INFO] [stdout] 0d5f173e3b81d6c9ac84a55517b287ef0df064a40573e0aefce7ac2c2e735e2b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+f167efad2f51088d86180ee89177b3d7c9e7c2f5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5937c43f40b3953cbad50fcec0932f9e1353087769e0bbc45aee37a981b9dc9
[INFO] running `Command { std: "docker" "start" "-a" "e5937c43f40b3953cbad50fcec0932f9e1353087769e0bbc45aee37a981b9dc9", kill_on_drop: false }`
[INFO] [stderr]    Compiling rustix v0.38.35
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking futures-lite v2.3.0
[INFO] [stderr]     Checking event-listener v5.3.1
[INFO] [stderr]     Checking async-task v4.7.1
[INFO] [stderr]     Checking event-listener-strategy v0.5.2
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking async-lock v3.4.0
[INFO] [stderr]     Checking async-channel v2.3.1
[INFO] [stderr]     Checking polling v3.7.3
[INFO] [stderr]     Checking tempfile v3.12.0
[INFO] [stderr]     Checking io-mux v2.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking async-io v2.3.4
[INFO] [stderr]     Checking async-signal v0.2.10
[INFO] [stderr]     Checking async-process v2.2.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.30s
[INFO] running `Command { std: "docker" "inspect" "e5937c43f40b3953cbad50fcec0932f9e1353087769e0bbc45aee37a981b9dc9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5937c43f40b3953cbad50fcec0932f9e1353087769e0bbc45aee37a981b9dc9", kill_on_drop: false }`
[INFO] [stdout] e5937c43f40b3953cbad50fcec0932f9e1353087769e0bbc45aee37a981b9dc9