[INFO] fetching crate medallion 2.5.0...
[INFO] checking medallion-2.5.0 against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] extracting crate medallion 2.5.0 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate medallion 2.5.0 on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medallion 2.5.0
[INFO] finished tweaking crates.io crate medallion 2.5.0
[INFO] tweaked toml for crates.io crate medallion 2.5.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate crates.io crate medallion 2.5.0 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9237d0c195e22bdca9bb5ee7f8d31b942cef799cc9e99d0a7bcc4cc086ec6ed
[INFO] running `Command { std: "docker" "start" "-a" "b9237d0c195e22bdca9bb5ee7f8d31b942cef799cc9e99d0a7bcc4cc086ec6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9237d0c195e22bdca9bb5ee7f8d31b942cef799cc9e99d0a7bcc4cc086ec6ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9237d0c195e22bdca9bb5ee7f8d31b942cef799cc9e99d0a7bcc4cc086ec6ed", kill_on_drop: false }`
[INFO] [stdout] b9237d0c195e22bdca9bb5ee7f8d31b942cef799cc9e99d0a7bcc4cc086ec6ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3786b1a7a13552ceb23fb2a3bd80269b44c2a7ea269bc5bbb08e4f88abca8cd0
[INFO] running `Command { std: "docker" "start" "-a" "3786b1a7a13552ceb23fb2a3bd80269b44c2a7ea269bc5bbb08e4f88abca8cd0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking medallion v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.45s
[INFO] running `Command { std: "docker" "inspect" "3786b1a7a13552ceb23fb2a3bd80269b44c2a7ea269bc5bbb08e4f88abca8cd0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3786b1a7a13552ceb23fb2a3bd80269b44c2a7ea269bc5bbb08e4f88abca8cd0", kill_on_drop: false }`
[INFO] [stdout] 3786b1a7a13552ceb23fb2a3bd80269b44c2a7ea269bc5bbb08e4f88abca8cd0
[INFO] checking medallion-2.5.0 against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] extracting crate medallion 2.5.0 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate medallion 2.5.0 on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate medallion 2.5.0
[INFO] finished tweaking crates.io crate medallion 2.5.0
[INFO] tweaked toml for crates.io crate medallion 2.5.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate crates.io crate medallion 2.5.0 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7c6b54f9d7b512e44985bed332df04b2a43feddc6bf53e0a89f86a1f3523cf8f
[INFO] running `Command { std: "docker" "start" "-a" "7c6b54f9d7b512e44985bed332df04b2a43feddc6bf53e0a89f86a1f3523cf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7c6b54f9d7b512e44985bed332df04b2a43feddc6bf53e0a89f86a1f3523cf8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7c6b54f9d7b512e44985bed332df04b2a43feddc6bf53e0a89f86a1f3523cf8f", kill_on_drop: false }`
[INFO] [stdout] 7c6b54f9d7b512e44985bed332df04b2a43feddc6bf53e0a89f86a1f3523cf8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754466b585ccba4166c38b17a8286371f97c6c65fd3f23a9ef536e3b19297a41
[INFO] running `Command { std: "docker" "start" "-a" "754466b585ccba4166c38b17a8286371f97c6c65fd3f23a9ef536e3b19297a41", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling libc v0.2.118
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling openssl v0.10.38
[INFO] [stderr]    Compiling anyhow v1.0.54
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking once_cell v1.9.0
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking num_threads v0.1.3
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]    Compiling openssl-sys v0.9.72
[INFO] [stderr]     Checking time v0.3.7
[INFO] [stderr]     Checking medallion v2.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.14s
[INFO] running `Command { std: "docker" "inspect" "754466b585ccba4166c38b17a8286371f97c6c65fd3f23a9ef536e3b19297a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754466b585ccba4166c38b17a8286371f97c6c65fd3f23a9ef536e3b19297a41", kill_on_drop: false }`
[INFO] [stdout] 754466b585ccba4166c38b17a8286371f97c6c65fd3f23a9ef536e3b19297a41