[INFO] fetching crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1...
[INFO] testing a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd-0.0.1 against try#ecabaf78506b7a4668d42dc20268c086b93f0fad for pr-87041
[INFO] extracting crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 on toolchain ecabaf78506b7a4668d42dc20268c086b93f0fad
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1
[INFO] finished tweaking crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1
[INFO] tweaked toml for crates.io crate a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd 0.0.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3b9d089c7cb5863552d3b9d4ee95b49004f969e0a15cb9a2c638c4260d940938
[INFO] running `Command { std: "docker" "start" "-a" "3b9d089c7cb5863552d3b9d4ee95b49004f969e0a15cb9a2c638c4260d940938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b9d089c7cb5863552d3b9d4ee95b49004f969e0a15cb9a2c638c4260d940938", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b9d089c7cb5863552d3b9d4ee95b49004f969e0a15cb9a2c638c4260d940938", kill_on_drop: false }`
[INFO] [stdout] 3b9d089c7cb5863552d3b9d4ee95b49004f969e0a15cb9a2c638c4260d940938
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 09f4e6893748d7c9901f0eb8bf33c1ae309c77a61a6caf7787136a3033329d48
[INFO] running `Command { std: "docker" "start" "-a" "09f4e6893748d7c9901f0eb8bf33c1ae309c77a61a6caf7787136a3033329d48", kill_on_drop: false }`
[INFO] [stderr]    Compiling a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd v0.0.1 (/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 0.06s
[INFO] running `Command { std: "docker" "inspect" "09f4e6893748d7c9901f0eb8bf33c1ae309c77a61a6caf7787136a3033329d48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f4e6893748d7c9901f0eb8bf33c1ae309c77a61a6caf7787136a3033329d48", kill_on_drop: false }`
[INFO] [stdout] 09f4e6893748d7c9901f0eb8bf33c1ae309c77a61a6caf7787136a3033329d48
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 367c2ba9aaf89c1f9207587600b952f7bfb72d98f61f9172e1e2f5e54fb6d5fb
[INFO] running `Command { std: "docker" "start" "-a" "367c2ba9aaf89c1f9207587600b952f7bfb72d98f61f9172e1e2f5e54fb6d5fb", kill_on_drop: false }`
[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] [stderr]    Compiling a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd v0.0.1 (/opt/rustwide/workdir)
[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 0.28s
[INFO] running `Command { std: "docker" "inspect" "367c2ba9aaf89c1f9207587600b952f7bfb72d98f61f9172e1e2f5e54fb6d5fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "367c2ba9aaf89c1f9207587600b952f7bfb72d98f61f9172e1e2f5e54fb6d5fb", kill_on_drop: false }`
[INFO] [stdout] 367c2ba9aaf89c1f9207587600b952f7bfb72d98f61f9172e1e2f5e54fb6d5fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+ecabaf78506b7a4668d42dc20268c086b93f0fad" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 523cdd834e367162fa9142db1e4ea31af392ec8b9866bc9faecb918bf03d7476
[INFO] running `Command { std: "docker" "start" "-a" "523cdd834e367162fa9142db1e4ea31af392ec8b9866bc9faecb918bf03d7476", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `indent`
[INFO] [stdout] running 0 tests
[INFO] [stderr]  --> src/lib.rs:1:17
[INFO] [stdout] 
[INFO] [stderr]   |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 1 | pub fn dep_tree(indent: usize) {
[INFO] [stdout] 
[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 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd-bcda42318fd828ef)
[INFO] [stderr]    Doc-tests a7f8c3dd72d00bf0e36cf490ea233da18c3d1399b676904cb6c3b37dd
[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" "523cdd834e367162fa9142db1e4ea31af392ec8b9866bc9faecb918bf03d7476", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523cdd834e367162fa9142db1e4ea31af392ec8b9866bc9faecb918bf03d7476", kill_on_drop: false }`
[INFO] [stdout] 523cdd834e367162fa9142db1e4ea31af392ec8b9866bc9faecb918bf03d7476