[INFO] cloning repository https://github.com/brson/rust-doc-tool
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brson/rust-doc-tool" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Frust-doc-tool", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Frust-doc-tool'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 70b60a4125d5915e716a387a12431ba14b7fcdb7
[INFO] building brson/rust-doc-tool against master#222c5724ecc922fe67815f428c19f82c129d9386 for pr-97334
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbrson%2Frust-doc-tool" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brson/rust-doc-tool on toolchain 222c5724ecc922fe67815f428c19f82c129d9386
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brson/rust-doc-tool
[INFO] finished tweaking git repo https://github.com/brson/rust-doc-tool
[INFO] tweaked toml for git repo https://github.com/brson/rust-doc-tool written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/brson/rust-doc-tool already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded smallvec v1.3.0
[INFO] [stderr]   Downloaded structopt v0.3.13
[INFO] [stderr]   Downloaded security-framework-sys v0.4.2
[INFO] [stderr]   Downloaded security-framework v0.4.2
[INFO] [stderr]   Downloaded siphasher v0.3.2
[INFO] [stderr]   Downloaded structopt-derive v0.4.6
[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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 065b1e9c6d4e3f56a13ee580b3abd3ef6847aa263ee471569a50d82a8981914d
[INFO] running `Command { std: "docker" "start" "-a" "065b1e9c6d4e3f56a13ee580b3abd3ef6847aa263ee471569a50d82a8981914d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "065b1e9c6d4e3f56a13ee580b3abd3ef6847aa263ee471569a50d82a8981914d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "065b1e9c6d4e3f56a13ee580b3abd3ef6847aa263ee471569a50d82a8981914d", kill_on_drop: false }`
[INFO] [stdout] 065b1e9c6d4e3f56a13ee580b3abd3ef6847aa263ee471569a50d82a8981914d
[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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0db87201335751477b3b64cefef5adcb8553fbddf4af8e8b38384e2d29741bed
[INFO] running `Command { std: "docker" "start" "-a" "0db87201335751477b3b64cefef5adcb8553fbddf4af8e8b38384e2d29741bed", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
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[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling structopt v0.3.13
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling string_cache v0.8.0
[INFO] [stderr]    Compiling url v2.1.1
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[INFO] [stderr]    Compiling markup5ever v0.10.0
[INFO] [stderr]    Compiling xml5ever v0.16.1
[INFO] [stderr]    Compiling markup5ever_rcdom v0.1.0
[INFO] [stderr]    Compiling rust-doc-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "0db87201335751477b3b64cefef5adcb8553fbddf4af8e8b38384e2d29741bed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db87201335751477b3b64cefef5adcb8553fbddf4af8e8b38384e2d29741bed", kill_on_drop: false }`
[INFO] [stdout] 0db87201335751477b3b64cefef5adcb8553fbddf4af8e8b38384e2d29741bed
[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" "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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+222c5724ecc922fe67815f428c19f82c129d9386" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 663f46fef1581835d44317252361b6291ba8698b123d01cce91d07830c1c3f7c
[INFO] running `Command { std: "docker" "start" "-a" "663f46fef1581835d44317252361b6291ba8698b123d01cce91d07830c1c3f7c", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-doc-tool v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.97s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: tendril v0.4.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_doc_tool-1e8f4377ccdb1030)
[INFO] running `Command { std: "docker" "inspect" "663f46fef1581835d44317252361b6291ba8698b123d01cce91d07830c1c3f7c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "663f46fef1581835d44317252361b6291ba8698b123d01cce91d07830c1c3f7c", kill_on_drop: false }`
[INFO] [stdout] 663f46fef1581835d44317252361b6291ba8698b123d01cce91d07830c1c3f7c