[INFO] cloning repository https://github.com/alexcrichton/cargo-vendor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alexcrichton/cargo-vendor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fcargo-vendor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fcargo-vendor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 07570e23d0841936cea8af2a125484f4d10ccdfa
[INFO] building alexcrichton/cargo-vendor against master#a7f375789bab1a4e4a291c963081a8ca7d2b6bd7 for pr-93180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falexcrichton%2Fcargo-vendor" "/workspace/builds/worker-49/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-49/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alexcrichton/cargo-vendor on toolchain a7f375789bab1a4e4a291c963081a8ca7d2b6bd7
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alexcrichton/cargo-vendor
[INFO] finished tweaking git repo https://github.com/alexcrichton/cargo-vendor
[INFO] tweaked toml for git repo https://github.com/alexcrichton/cargo-vendor written to /workspace/builds/worker-49/source/Cargo.toml
[INFO] crate git repo https://github.com/alexcrichton/cargo-vendor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "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-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae277c8b41bcd41f6e3c810286e1a7faa8d989d5acd53868e218e8e31352bcad
[INFO] running `Command { std: "docker" "start" "-a" "ae277c8b41bcd41f6e3c810286e1a7faa8d989d5acd53868e218e8e31352bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae277c8b41bcd41f6e3c810286e1a7faa8d989d5acd53868e218e8e31352bcad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae277c8b41bcd41f6e3c810286e1a7faa8d989d5acd53868e218e8e31352bcad", kill_on_drop: false }`
[INFO] [stdout] ae277c8b41bcd41f6e3c810286e1a7faa8d989d5acd53868e218e8e31352bcad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57594f6bc9018dc879d2cd6521a41b95604077b47d2ece0b14df81e8750a790f
[INFO] running `Command { std: "docker" "start" "-a" "57594f6bc9018dc879d2cd6521a41b95604077b47d2ece0b14df81e8750a790f", kill_on_drop: false }`
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[INFO] [stderr]    Compiling crypto-hash v0.3.3
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[INFO] [stderr]    Compiling strsim v0.9.1
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[INFO] [stderr]    Compiling serde_derive v1.0.92
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[INFO] [stderr]    Compiling serde_ignored v0.0.4
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[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling im-rc v12.3.4
[INFO] [stderr]    Compiling rustfix v0.4.5
[INFO] [stderr]    Compiling crates-io v0.24.0
[INFO] [stderr]    Compiling git2 v0.8.0
[INFO] [stderr]    Compiling git2-curl v0.9.0
[INFO] [stderr]    Compiling cargo v0.36.0
[INFO] [stderr]    Compiling cargo-vendor v0.1.23 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3m 26s
[INFO] running `Command { std: "docker" "inspect" "57594f6bc9018dc879d2cd6521a41b95604077b47d2ece0b14df81e8750a790f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57594f6bc9018dc879d2cd6521a41b95604077b47d2ece0b14df81e8750a790f", kill_on_drop: false }`
[INFO] [stdout] 57594f6bc9018dc879d2cd6521a41b95604077b47d2ece0b14df81e8750a790f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-49/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+a7f375789bab1a4e4a291c963081a8ca7d2b6bd7" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dbaf40950b971b1c06cd80898ea6b05123ab38917a38b1852db63a3131772ef9
[INFO] running `Command { std: "docker" "start" "-a" "dbaf40950b971b1c06cd80898ea6b05123ab38917a38b1852db63a3131772ef9", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling once_cell v0.1.8
[INFO] [stderr]    Compiling cargo-vendor v0.1.23 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> tests/vendor.rs:591:10
[INFO] [stdout]     |
[INFO] [stdout] 591 |     let (output, _) = run(&mut vendor(&dir).arg("--vendor-main-crate"));
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]    --> tests/vendor.rs:619:10
[INFO] [stdout]     |
[INFO] [stdout] 619 |     let (output, _) = run(&mut vendor(&dir).arg("--vendor-main-crate"));
[INFO] [stdout]     |          ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.06s
[INFO] running `Command { std: "docker" "inspect" "dbaf40950b971b1c06cd80898ea6b05123ab38917a38b1852db63a3131772ef9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dbaf40950b971b1c06cd80898ea6b05123ab38917a38b1852db63a3131772ef9", kill_on_drop: false }`
[INFO] [stdout] dbaf40950b971b1c06cd80898ea6b05123ab38917a38b1852db63a3131772ef9