[INFO] fetching crate wei-log 0.2.12...
[INFO] testing wei-log-0.2.12 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-2
[INFO] extracting crate wei-log 0.2.12 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate wei-log 0.2.12
[INFO] finished tweaking crates.io crate wei-log 0.2.12
[INFO] tweaked toml for crates.io crate wei-log 0.2.12 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wei-log 0.2.12 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 35 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecc810cfdc90d0f46248ff101a4ace59a7d533d84808f02591ea41ebdbd83391
[INFO] running `Command { std: "docker" "start" "-a" "ecc810cfdc90d0f46248ff101a4ace59a7d533d84808f02591ea41ebdbd83391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecc810cfdc90d0f46248ff101a4ace59a7d533d84808f02591ea41ebdbd83391", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecc810cfdc90d0f46248ff101a4ace59a7d533d84808f02591ea41ebdbd83391", kill_on_drop: false }`
[INFO] [stdout] ecc810cfdc90d0f46248ff101a4ace59a7d533d84808f02591ea41ebdbd83391
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0d06c5deeb059e381cf4d796bedeceb94634ae4b70f410bf27223cb61538cfe6
[INFO] running `Command { std: "docker" "start" "-a" "0d06c5deeb059e381cf4d796bedeceb94634ae4b70f410bf27223cb61538cfe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling chrono v0.4.44
[INFO] [stderr]    Compiling wei-log v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `write_and_prune_file` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.42s
[INFO] running `Command { std: "docker" "inspect" "0d06c5deeb059e381cf4d796bedeceb94634ae4b70f410bf27223cb61538cfe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d06c5deeb059e381cf4d796bedeceb94634ae4b70f410bf27223cb61538cfe6", kill_on_drop: false }`
[INFO] [stdout] 0d06c5deeb059e381cf4d796bedeceb94634ae4b70f410bf27223cb61538cfe6
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5685f5f21107795b7d356f698b9e1dd8086afe536c1e5426940ebd343c034d03
[INFO] running `Command { std: "docker" "start" "-a" "5685f5f21107795b7d356f698b9e1dd8086afe536c1e5426940ebd343c034d03", kill_on_drop: false }`
[INFO] [stdout] warning: function `write_and_prune_file` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wei-log v0.2.12 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `write_and_prune_file` is never used
[INFO] [stdout]    --> src/lib.rs:113:4
[INFO] [stdout]     |
[INFO] [stdout] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.42s
[INFO] running `Command { std: "docker" "inspect" "5685f5f21107795b7d356f698b9e1dd8086afe536c1e5426940ebd343c034d03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5685f5f21107795b7d356f698b9e1dd8086afe536c1e5426940ebd343c034d03", kill_on_drop: false }`
[INFO] [stdout] 5685f5f21107795b7d356f698b9e1dd8086afe536c1e5426940ebd343c034d03
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 174be0c6bb25174147cf32dd86c8560789aebbc029223ba887f297f4728beb9b
[INFO] running `Command { std: "docker" "start" "-a" "174be0c6bb25174147cf32dd86c8560789aebbc029223ba887f297f4728beb9b", kill_on_drop: false }`
[INFO] [stderr] warning: function `write_and_prune_file` is never used
[INFO] [stderr]    --> src/lib.rs:113:4
[INFO] [stderr]     |
[INFO] [stderr] 113 | fn write_and_prune_file(path: &str, content: &str, max_lines: usize) -> std::io::Result<()> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `wei-log` (lib) generated 1 warning
[INFO] [stderr] warning: `wei-log` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wei_log-ee178fb68886edef)
[INFO] [stderr]    Doc-tests wei_log
[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] [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" "174be0c6bb25174147cf32dd86c8560789aebbc029223ba887f297f4728beb9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "174be0c6bb25174147cf32dd86c8560789aebbc029223ba887f297f4728beb9b", kill_on_drop: false }`
[INFO] [stdout] 174be0c6bb25174147cf32dd86c8560789aebbc029223ba887f297f4728beb9b