[INFO] fetching crate im-rc 15.1.0...
[INFO] checking im-rc-15.1.0 against master#8549802939cd01111c46e34a7b67cb1933977af9 for pr-132712
[INFO] extracting crate im-rc 15.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate im-rc 15.1.0 on toolchain 8549802939cd01111c46e34a7b67cb1933977af9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate im-rc 15.1.0
[INFO] finished tweaking crates.io crate im-rc 15.1.0
[INFO] tweaked toml for crates.io crate im-rc 15.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 81 packages to latest compatible versions
[INFO] [stderr]       Adding bitmaps v2.1.0 (available: v3.2.1)
[INFO] [stderr]       Adding proptest-derive v0.3.0 (available: v0.5.0)
[INFO] [stderr]       Adding sized-chunks v0.6.5 (available: v0.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded metrohash v1.0.6
[INFO] [stderr]   Downloaded refpool v0.4.3
[INFO] [stderr]   Downloaded proptest-derive v0.3.0
[INFO] [stderr]   Downloaded bitmaps v2.1.0
[INFO] [stderr]   Downloaded sized-chunks v0.6.5
[INFO] [stderr]   Downloaded syn v0.15.44
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9d5cf0d66b46f5e5b0221e99c263ba840f3841a3e68505b74b627c5c933a670b
[INFO] running `Command { std: "docker" "start" "-a" "9d5cf0d66b46f5e5b0221e99c263ba840f3841a3e68505b74b627c5c933a670b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d5cf0d66b46f5e5b0221e99c263ba840f3841a3e68505b74b627c5c933a670b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d5cf0d66b46f5e5b0221e99c263ba840f3841a3e68505b74b627c5c933a670b", kill_on_drop: false }`
[INFO] [stdout] 9d5cf0d66b46f5e5b0221e99c263ba840f3841a3e68505b74b627c5c933a670b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+8549802939cd01111c46e34a7b67cb1933977af9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5df0ffc13125b47a4cf0facbdff86fb97c9a404784c7c08d72c669acb0dc176a
[INFO] running `Command { std: "docker" "start" "-a" "5df0ffc13125b47a4cf0facbdff86fb97c9a404784c7c08d72c669acb0dc176a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling im-rc v15.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bitmaps v2.1.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking rand_xoshiro v0.6.0
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking metrohash v1.0.6
[INFO] [stderr]     Checking rayon v1.10.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking sized-chunks v0.6.5
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]    Compiling proptest-derive v0.3.0
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.09s
[INFO] running `Command { std: "docker" "inspect" "5df0ffc13125b47a4cf0facbdff86fb97c9a404784c7c08d72c669acb0dc176a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5df0ffc13125b47a4cf0facbdff86fb97c9a404784c7c08d72c669acb0dc176a", kill_on_drop: false }`
[INFO] [stdout] 5df0ffc13125b47a4cf0facbdff86fb97c9a404784c7c08d72c669acb0dc176a