[INFO] cloning repository https://github.com/tungtose/idioms-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tungtose/idioms-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungtose%2Fidioms-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungtose%2Fidioms-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e752a855f598c10811940f9d81f601245318c439
[INFO] testing tungtose/idioms-rs against try#a7ce54db9b096bd1098d07c645b489195a667c9f for pr-137940-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftungtose%2Fidioms-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tungtose/idioms-rs on toolchain a7ce54db9b096bd1098d07c645b489195a667c9f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tungtose/idioms-rs
[INFO] finished tweaking git repo https://github.com/tungtose/idioms-rs
[INFO] tweaked toml for git repo https://github.com/tungtose/idioms-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tungtose/idioms-rs 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" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7697e486a9ff499dfa3b76ce90545ddc0976a3fc97ccdb9d8a39f26cf92b3ed8
[INFO] running `Command { std: "docker" "start" "-a" "7697e486a9ff499dfa3b76ce90545ddc0976a3fc97ccdb9d8a39f26cf92b3ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7697e486a9ff499dfa3b76ce90545ddc0976a3fc97ccdb9d8a39f26cf92b3ed8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7697e486a9ff499dfa3b76ce90545ddc0976a3fc97ccdb9d8a39f26cf92b3ed8", kill_on_drop: false }`
[INFO] [stdout] 7697e486a9ff499dfa3b76ce90545ddc0976a3fc97ccdb9d8a39f26cf92b3ed8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aa4a0b5e64b7db7f81498316d307d1e95f3fbda2efd5f3da4f6edea5ead4fbb5
[INFO] running `Command { std: "docker" "start" "-a" "aa4a0b5e64b7db7f81498316d307d1e95f3fbda2efd5f3da4f6edea5ead4fbb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling idioms-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "aa4a0b5e64b7db7f81498316d307d1e95f3fbda2efd5f3da4f6edea5ead4fbb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa4a0b5e64b7db7f81498316d307d1e95f3fbda2efd5f3da4f6edea5ead4fbb5", kill_on_drop: false }`
[INFO] [stdout] aa4a0b5e64b7db7f81498316d307d1e95f3fbda2efd5f3da4f6edea5ead4fbb5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3ba4d353e887c1ff84628d20586d32d31131a49cc4e321f0514ac8e7e56d3f11
[INFO] running `Command { std: "docker" "start" "-a" "3ba4d353e887c1ff84628d20586d32d31131a49cc4e321f0514ac8e7e56d3f11", kill_on_drop: false }`
[INFO] [stderr]    Compiling idioms-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> examples/newtype.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Password(String);
[INFO] [stdout]   |        -------- ^^^^^^
[INFO] [stdout]   |        |
[INFO] [stdout]   |        field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "3ba4d353e887c1ff84628d20586d32d31131a49cc4e321f0514ac8e7e56d3f11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3ba4d353e887c1ff84628d20586d32d31131a49cc4e321f0514ac8e7e56d3f11", kill_on_drop: false }`
[INFO] [stdout] 3ba4d353e887c1ff84628d20586d32d31131a49cc4e321f0514ac8e7e56d3f11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:1680c8fbd8dfb46fcd6d22e546df16ab0e007457dc29fcd9e987cdd5077fd1af" "/opt/rustwide/cargo-home/bin/cargo" "+a7ce54db9b096bd1098d07c645b489195a667c9f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 07066b1199367128fe9abf68377bb82ccbd3feceee9cb8ad02f388e5f6a37dfa
[INFO] running `Command { std: "docker" "start" "-a" "07066b1199367128fe9abf68377bb82ccbd3feceee9cb8ad02f388e5f6a37dfa", kill_on_drop: false }`
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> examples/newtype.rs:4:17
[INFO] [stderr]   |
[INFO] [stderr] 4 | struct Password(String);
[INFO] [stderr]   |        -------- ^^^^^^
[INFO] [stderr]   |        |
[INFO] [stderr]   |        field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `idioms-rs` (example "newtype") generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/idioms_rs-41ec60c371eb3d88)
[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" "07066b1199367128fe9abf68377bb82ccbd3feceee9cb8ad02f388e5f6a37dfa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07066b1199367128fe9abf68377bb82ccbd3feceee9cb8ad02f388e5f6a37dfa", kill_on_drop: false }`
[INFO] [stdout] 07066b1199367128fe9abf68377bb82ccbd3feceee9cb8ad02f388e5f6a37dfa