[INFO] fetching crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0...
[INFO] testing a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31-2.0.0 against master#432e145bd5a974c5b6f4dd9b352891bd7502b69d for pr-87041
[INFO] extracting crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0 on toolchain 432e145bd5a974c5b6f4dd9b352891bd7502b69d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0
[INFO] finished tweaking crates.io crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0
[INFO] tweaked toml for crates.io crate a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 2.0.0 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76b2e57d520ae6554797d6ac77b10dbdcb9964961c69d775bf668fac2ea29628
[INFO] running `Command { std: "docker" "start" "-a" "76b2e57d520ae6554797d6ac77b10dbdcb9964961c69d775bf668fac2ea29628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76b2e57d520ae6554797d6ac77b10dbdcb9964961c69d775bf668fac2ea29628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76b2e57d520ae6554797d6ac77b10dbdcb9964961c69d775bf668fac2ea29628", kill_on_drop: false }`
[INFO] [stdout] 76b2e57d520ae6554797d6ac77b10dbdcb9964961c69d775bf668fac2ea29628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f1b1637b36b5de8941c7a3976e1e0b7d6c1b533ccb082a70e3a053c0591ef553
[INFO] running `Command { std: "docker" "start" "-a" "f1b1637b36b5de8941c7a3976e1e0b7d6c1b533ccb082a70e3a053c0591ef553", kill_on_drop: false }`
[INFO] [stderr]    Compiling a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "f1b1637b36b5de8941c7a3976e1e0b7d6c1b533ccb082a70e3a053c0591ef553", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1b1637b36b5de8941c7a3976e1e0b7d6c1b533ccb082a70e3a053c0591ef553", kill_on_drop: false }`
[INFO] [stdout] f1b1637b36b5de8941c7a3976e1e0b7d6c1b533ccb082a70e3a053c0591ef553
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b8773533a0b9fb4a92944b1eb0bea874ea8dc7a58d3a6176d113fc6905569456
[INFO] running `Command { std: "docker" "start" "-a" "b8773533a0b9fb4a92944b1eb0bea874ea8dc7a58d3a6176d113fc6905569456", kill_on_drop: false }`
[INFO] [stderr]    Compiling a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31 v2.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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: unused variable: `indent`
[INFO] [stdout]  --> src/lib.rs:1:17
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.24s
[INFO] running `Command { std: "docker" "inspect" "b8773533a0b9fb4a92944b1eb0bea874ea8dc7a58d3a6176d113fc6905569456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8773533a0b9fb4a92944b1eb0bea874ea8dc7a58d3a6176d113fc6905569456", kill_on_drop: false }`
[INFO] [stdout] b8773533a0b9fb4a92944b1eb0bea874ea8dc7a58d3a6176d113fc6905569456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+432e145bd5a974c5b6f4dd9b352891bd7502b69d" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7634c0b6f4ac71f67d6e66c6266cfd8b57e07280fd93f0778aed2954bbde232c
[INFO] running `Command { std: "docker" "start" "-a" "7634c0b6f4ac71f67d6e66c6266cfd8b57e07280fd93f0778aed2954bbde232c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stderr]   |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_indent`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31-e1596de031fb7e24)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a6f2b8a3b35c00986c770f6ce15a5dda7aff8f5dc14cfbe8f58177d31
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7634c0b6f4ac71f67d6e66c6266cfd8b57e07280fd93f0778aed2954bbde232c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7634c0b6f4ac71f67d6e66c6266cfd8b57e07280fd93f0778aed2954bbde232c", kill_on_drop: false }`
[INFO] [stdout] 7634c0b6f4ac71f67d6e66c6266cfd8b57e07280fd93f0778aed2954bbde232c