[INFO] fetching crate crowbar 0.3.7...
[INFO] documenting crowbar-0.3.7 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate crowbar 0.3.7 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate crowbar 0.3.7 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate crowbar 0.3.7
[INFO] finished tweaking crates.io crate crowbar 0.3.7
[INFO] tweaked toml for crates.io crate crowbar 0.3.7 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate crowbar 0.3.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8a935143c51ebbbbf491d5e7ef9c4f8e6ba7bd88cbd2866ad07acb6ba3c609ab
[INFO] running `Command { std: "docker" "start" "-a" "8a935143c51ebbbbf491d5e7ef9c4f8e6ba7bd88cbd2866ad07acb6ba3c609ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8a935143c51ebbbbf491d5e7ef9c4f8e6ba7bd88cbd2866ad07acb6ba3c609ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a935143c51ebbbbf491d5e7ef9c4f8e6ba7bd88cbd2866ad07acb6ba3c609ab", kill_on_drop: false }`
[INFO] [stdout] 8a935143c51ebbbbf491d5e7ef9c4f8e6ba7bd88cbd2866ad07acb6ba3c609ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d24686c008d534fcca6bea8dd78d25d3b827cd8e504b1a8ae3a24238d954f420
[INFO] running `Command { std: "docker" "start" "-a" "d24686c008d534fcca6bea8dd78d25d3b827cd8e504b1a8ae3a24238d954f420", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling serde v1.0.106
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.4
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[INFO] [stderr]    Compiling openssl-sys v0.9.55
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[INFO] [stderr]    Compiling mime_guess v2.0.3
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[INFO] [stderr]    Compiling phf_codegen v0.7.24
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[INFO] [stderr]     Checking dialoguer v0.5.0
[INFO] [stderr]     Checking rust-ini v0.15.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
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[INFO] [stderr]    Compiling html5ever v0.23.0
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[INFO] [stderr]     Checking tokio v0.2.18
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[INFO] [stderr]     Checking hyper-tls v0.4.1
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[INFO] [stderr]    Compiling markup5ever v0.8.1
[INFO] [stderr]     Checking rusoto_signature v0.43.0
[INFO] [stderr]     Checking rusoto_sts v0.43.0
[INFO] [stderr]     Checking select v0.4.3
[INFO] [stderr]  Documenting crowbar v0.3.7 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.66s
[INFO] running `Command { std: "docker" "inspect" "d24686c008d534fcca6bea8dd78d25d3b827cd8e504b1a8ae3a24238d954f420", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d24686c008d534fcca6bea8dd78d25d3b827cd8e504b1a8ae3a24238d954f420", kill_on_drop: false }`
[INFO] [stdout] d24686c008d534fcca6bea8dd78d25d3b827cd8e504b1a8ae3a24238d954f420
