[INFO] fetching crate icemelter 0.3.2... [INFO] testing icemelter-0.3.2 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1 [INFO] extracting crate icemelter 0.3.2 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate icemelter 0.3.2 [INFO] finished tweaking crates.io crate icemelter 0.3.2 [INFO] tweaked toml for crates.io crate icemelter 0.3.2 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate icemelter 0.3.2 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] crate crates.io crate icemelter 0.3.2 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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b178ad4163abe2459338f4c2a22dbba2e487041da2f2a552007bf5e55a98a3ff [INFO] running `Command { std: "docker" "start" "-a" "b178ad4163abe2459338f4c2a22dbba2e487041da2f2a552007bf5e55a98a3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b178ad4163abe2459338f4c2a22dbba2e487041da2f2a552007bf5e55a98a3ff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b178ad4163abe2459338f4c2a22dbba2e487041da2f2a552007bf5e55a98a3ff", kill_on_drop: false }` [INFO] [stdout] b178ad4163abe2459338f4c2a22dbba2e487041da2f2a552007bf5e55a98a3ff [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] a6e6c447cc5f57cd76db7a57f62cad3cef50c6e6294138dc6635e061b119861a [INFO] running `Command { std: "docker" "start" "-a" "a6e6c447cc5f57cd76db7a57f62cad3cef50c6e6294138dc6635e061b119861a", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.64 [INFO] [stderr] Compiling unicode-ident v1.0.8 [INFO] [stderr] Compiling quote v1.0.29 [INFO] [stderr] Compiling libc v0.2.146 [INFO] [stderr] Compiling regex-syntax v0.7.3 [INFO] [stderr] Compiling rustix v0.36.9 [INFO] [stderr] Compiling linux-raw-sys v0.1.4 [INFO] [stderr] Compiling serde v1.0.171 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling tree-sitter v0.20.10 [INFO] [stderr] Compiling tracing-core v0.1.30 [INFO] [stderr] Compiling anstyle-parse v0.2.0 [INFO] [stderr] Compiling anstyle v1.0.0 [INFO] [stderr] Compiling serde_json v1.0.94 [INFO] [stderr] Compiling rustix v0.37.20 [INFO] [stderr] Compiling log v0.4.19 [INFO] [stderr] Compiling tempfile v3.6.0 [INFO] [stderr] Compiling linux-raw-sys v0.3.8 [INFO] [stderr] Compiling thiserror v1.0.39 [INFO] [stderr] Compiling itoa v1.0.6 [INFO] [stderr] Compiling ryu v1.0.13 [INFO] [stderr] Compiling tree-sitter-rust v0.20.3 [INFO] [stderr] Compiling overload v0.1.1 [INFO] [stderr] Compiling fastrand v1.9.0 [INFO] [stderr] Compiling anyhow v1.0.72 [INFO] [stderr] Compiling pin-project-lite v0.2.9 [INFO] [stderr] Compiling nu-ansi-term v0.46.0 [INFO] [stderr] Compiling sharded-slab v0.1.4 [INFO] [stderr] Compiling thread_local v1.1.7 [INFO] [stderr] Compiling smallvec v1.10.0 [INFO] [stderr] Compiling nu-ansi-term v0.48.0 [INFO] [stderr] Compiling aho-corasick v1.0.1 [INFO] [stderr] Compiling syn v2.0.25 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tracing-log v0.1.3 [INFO] [stderr] Compiling io-lifetimes v1.0.11 [INFO] [stderr] Compiling wait-timeout v0.2.0 [INFO] [stderr] Compiling num_cpus v1.16.0 [INFO] [stderr] Compiling regex-automata v0.3.2 [INFO] [stderr] Compiling is-terminal v0.4.4 [INFO] [stderr] Compiling anstream v0.3.0 [INFO] [stderr] Compiling clap_builder v4.3.12 [INFO] [stderr] Compiling serde_derive v1.0.171 [INFO] [stderr] Compiling clap_derive v4.3.12 [INFO] [stderr] Compiling regex v1.9.1 [INFO] [stderr] Compiling thiserror-impl v1.0.39 [INFO] [stderr] Compiling tracing-attributes v0.1.23 [INFO] [stderr] Compiling clap v4.3.12 [INFO] [stderr] Compiling clap-verbosity-flag v2.0.1 [INFO] [stderr] Compiling tree-sitter-traversal v0.1.2 [INFO] [stderr] Compiling tree-sitter-edit v0.3.0 [INFO] [stderr] Compiling tracing v0.1.37 [INFO] [stderr] Compiling tracing-serde v0.1.3 [INFO] [stderr] Compiling tracing-subscriber v0.3.17 [INFO] [stderr] Compiling treereduce v0.3.0 [INFO] [stderr] Compiling icemelter v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:286:13 [INFO] [stdout] | [INFO] [stdout] 286 | Changed(Vec), [INFO] [stdout] | ------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 286 - Changed(Vec), [INFO] [stdout] 286 + Changed(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 44.21s [INFO] running `Command { std: "docker" "inspect" "a6e6c447cc5f57cd76db7a57f62cad3cef50c6e6294138dc6635e061b119861a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6e6c447cc5f57cd76db7a57f62cad3cef50c6e6294138dc6635e061b119861a", kill_on_drop: false }` [INFO] [stdout] a6e6c447cc5f57cd76db7a57f62cad3cef50c6e6294138dc6635e061b119861a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 1fa62cd7ef41f52c8d7927d6a17499f39eb437f065de6189dfc207b5380d6493 [INFO] running `Command { std: "docker" "start" "-a" "1fa62cd7ef41f52c8d7927d6a17499f39eb437f065de6189dfc207b5380d6493", kill_on_drop: false }` [INFO] [stderr] Compiling icemelter v0.3.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:286:13 [INFO] [stdout] | [INFO] [stdout] 286 | Changed(Vec), [INFO] [stdout] | ------- ^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 286 - Changed(Vec), [INFO] [stdout] 286 + Changed(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.56s [INFO] running `Command { std: "docker" "inspect" "1fa62cd7ef41f52c8d7927d6a17499f39eb437f065de6189dfc207b5380d6493", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1fa62cd7ef41f52c8d7927d6a17499f39eb437f065de6189dfc207b5380d6493", kill_on_drop: false }` [INFO] [stdout] 1fa62cd7ef41f52c8d7927d6a17499f39eb437f065de6189dfc207b5380d6493 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4d5dd6aa526cc392d9541fc036035ecd834b6c8b81badb0d7e83ab88ccb99ed9 [INFO] running `Command { std: "docker" "start" "-a" "4d5dd6aa526cc392d9541fc036035ecd834b6c8b81badb0d7e83ab88ccb99ed9", kill_on_drop: false }` [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:286:13 [INFO] [stderr] | [INFO] [stderr] 286 | Changed(Vec), [INFO] [stderr] | ------- ^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 286 - Changed(Vec), [INFO] [stderr] 286 + Changed(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: `icemelter` (bin "icemelter" test) generated 1 warning [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.13s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/icemelter-ecacbbd341986d54) [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" "4d5dd6aa526cc392d9541fc036035ecd834b6c8b81badb0d7e83ab88ccb99ed9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4d5dd6aa526cc392d9541fc036035ecd834b6c8b81badb0d7e83ab88ccb99ed9", kill_on_drop: false }` [INFO] [stdout] 4d5dd6aa526cc392d9541fc036035ecd834b6c8b81badb0d7e83ab88ccb99ed9