[INFO] fetching crate docktor 0.35.2...
[INFO] checking docktor-0.35.2 against master#eb10639928a2781cf0a12440007fbcc1e3a6888f for pr-127827-1
[INFO] extracting crate docktor 0.35.2 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate docktor 0.35.2 on toolchain eb10639928a2781cf0a12440007fbcc1e3a6888f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docktor 0.35.2
[INFO] finished tweaking crates.io crate docktor 0.35.2
[INFO] tweaked toml for crates.io crate docktor 0.35.2 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate docktor 0.35.2 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" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a1cfbd80ef502759e94a82f0379ad54ea2a952f6e29f06fffbd9338860c345a6
[INFO] running `Command { std: "docker" "start" "-a" "a1cfbd80ef502759e94a82f0379ad54ea2a952f6e29f06fffbd9338860c345a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a1cfbd80ef502759e94a82f0379ad54ea2a952f6e29f06fffbd9338860c345a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a1cfbd80ef502759e94a82f0379ad54ea2a952f6e29f06fffbd9338860c345a6", kill_on_drop: false }`
[INFO] [stdout] a1cfbd80ef502759e94a82f0379ad54ea2a952f6e29f06fffbd9338860c345a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+eb10639928a2781cf0a12440007fbcc1e3a6888f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3a252594e844675366153d1e04809ecd0399c6a40a5244373998d386632d50f
[INFO] running `Command { std: "docker" "start" "-a" "e3a252594e844675366153d1e04809ecd0399c6a40a5244373998d386632d50f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
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[INFO] [stderr]     Checking docktor-api v0.35.2
[INFO] [stderr]     Checking docktor-api-client v0.35.2
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[INFO] [stderr]     Checking docktor v0.35.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `default_url`
[INFO] [stdout]    --> src/server/prometheus.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let default_url = "metrics".to_string();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_url`
[INFO] [stdout]    --> src/server/prometheus.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let default_url = "metrics".to_string();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 14s
[INFO] running `Command { std: "docker" "inspect" "e3a252594e844675366153d1e04809ecd0399c6a40a5244373998d386632d50f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a252594e844675366153d1e04809ecd0399c6a40a5244373998d386632d50f", kill_on_drop: false }`
[INFO] [stdout] e3a252594e844675366153d1e04809ecd0399c6a40a5244373998d386632d50f
[INFO] checking docktor-0.35.2 against try#357cc345f0a672ac4bee347eb89b7552541416c1 for pr-127827-1
[INFO] extracting crate docktor 0.35.2 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate docktor 0.35.2 on toolchain 357cc345f0a672ac4bee347eb89b7552541416c1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate docktor 0.35.2
[INFO] finished tweaking crates.io crate docktor 0.35.2
[INFO] tweaked toml for crates.io crate docktor 0.35.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] crate crates.io crate docktor 0.35.2 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" "+357cc345f0a672ac4bee347eb89b7552541416c1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e54d63a3e7c00307915cce3e5d75f54a9d6d4b4d4bb6e48aa253ed0a98699e7
[INFO] running `Command { std: "docker" "start" "-a" "8e54d63a3e7c00307915cce3e5d75f54a9d6d4b4d4bb6e48aa253ed0a98699e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e54d63a3e7c00307915cce3e5d75f54a9d6d4b4d4bb6e48aa253ed0a98699e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e54d63a3e7c00307915cce3e5d75f54a9d6d4b4d4bb6e48aa253ed0a98699e7", kill_on_drop: false }`
[INFO] [stdout] 8e54d63a3e7c00307915cce3e5d75f54a9d6d4b4d4bb6e48aa253ed0a98699e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+357cc345f0a672ac4bee347eb89b7552541416c1" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 88a91e56d0049ea12226d96774ce43b09ffcd7f04a09fd701b9ce37f731cc827
[INFO] running `Command { std: "docker" "start" "-a" "88a91e56d0049ea12226d96774ce43b09ffcd7f04a09fd701b9ce37f731cc827", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.113
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
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[INFO] [stderr]    Compiling num-traits v0.2.14
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[INFO] [stdout] warning: unused variable: `default_url`
[INFO] [stdout]    --> src/server/prometheus.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let default_url = "metrics".to_string();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `default_url`
[INFO] [stdout]    --> src/server/prometheus.rs:132:13
[INFO] [stdout]     |
[INFO] [stdout] 132 |         let default_url = "metrics".to_string();
[INFO] [stdout]     |             ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_default_url`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "88a91e56d0049ea12226d96774ce43b09ffcd7f04a09fd701b9ce37f731cc827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "88a91e56d0049ea12226d96774ce43b09ffcd7f04a09fd701b9ce37f731cc827", kill_on_drop: false }`
[INFO] [stdout] 88a91e56d0049ea12226d96774ce43b09ffcd7f04a09fd701b9ce37f731cc827