[INFO] fetching crate symp 0.4.2...
[INFO] testing symp-0.4.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate symp 0.4.2 into /workspace/builds/worker-1-tc2/source
[INFO] started tweaking crates.io crate symp 0.4.2
[INFO] finished tweaking crates.io crate symp 0.4.2
[INFO] tweaked toml for crates.io crate symp 0.4.2 written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate symp 0.4.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate symp 0.4.2 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" "+beta-2026-04-21" "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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a53a3a774b995b0fa85c0f7a1406db4c14277192c60654b7e8ba630cda96330
[INFO] running `Command { std: "docker" "start" "-a" "4a53a3a774b995b0fa85c0f7a1406db4c14277192c60654b7e8ba630cda96330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a53a3a774b995b0fa85c0f7a1406db4c14277192c60654b7e8ba630cda96330", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a53a3a774b995b0fa85c0f7a1406db4c14277192c60654b7e8ba630cda96330", kill_on_drop: false }`
[INFO] [stdout] 4a53a3a774b995b0fa85c0f7a1406db4c14277192c60654b7e8ba630cda96330
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a03a818c258da7990e14b94dc51e76cd454c7bbf0a39936179a8a1d791103f3f
[INFO] running `Command { std: "docker" "start" "-a" "a03a818c258da7990e14b94dc51e76cd454c7bbf0a39936179a8a1d791103f3f", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.104
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling libc v0.2.178
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling strsim v0.11.1
[INFO] [stderr]    Compiling clap_lex v0.7.6
[INFO] [stderr]    Compiling anstyle-parse v0.2.7
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling winnow v0.7.14
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling toml_writer v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling nu-ansi-term v0.50.3
[INFO] [stderr]    Compiling serde_spanned v1.0.4
[INFO] [stderr]    Compiling toml_datetime v0.7.5+spec-1.1.0
[INFO] [stderr]    Compiling symlink v0.1.0
[INFO] [stderr]    Compiling anstream v0.6.21
[INFO] [stderr]    Compiling os_str_bytes v6.6.1
[INFO] [stderr]    Compiling clap_builder v4.5.55
[INFO] [stderr]    Compiling syn v2.0.111
[INFO] [stderr]    Compiling dirs-sys v0.5.0
[INFO] [stderr]    Compiling bstr v1.12.1
[INFO] [stderr]    Compiling dirs v6.0.0
[INFO] [stderr]    Compiling toml_parser v1.0.6+spec-1.1.0
[INFO] [stderr]    Compiling shellexpand v3.1.1
[INFO] [stderr]    Compiling toml v0.9.11+spec-1.1.0
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap v4.5.55
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling symp v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.74s
[INFO] running `Command { std: "docker" "inspect" "a03a818c258da7990e14b94dc51e76cd454c7bbf0a39936179a8a1d791103f3f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a03a818c258da7990e14b94dc51e76cd454c7bbf0a39936179a8a1d791103f3f", kill_on_drop: false }`
[INFO] [stdout] a03a818c258da7990e14b94dc51e76cd454c7bbf0a39936179a8a1d791103f3f
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7d6855f6726cd237f6f19a450efba4da1c05877e8c1864371abaa2978e70f676
[INFO] running `Command { std: "docker" "start" "-a" "7d6855f6726cd237f6f19a450efba4da1c05877e8c1864371abaa2978e70f676", kill_on_drop: false }`
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling symp v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]    --> src/filesystem.rs:287:9
[INFO] [stdout]     |
[INFO] [stdout] 287 |     use std::fmt::format;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.23s
[INFO] running `Command { std: "docker" "inspect" "7d6855f6726cd237f6f19a450efba4da1c05877e8c1864371abaa2978e70f676", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d6855f6726cd237f6f19a450efba4da1c05877e8c1864371abaa2978e70f676", kill_on_drop: false }`
[INFO] [stdout] 7d6855f6726cd237f6f19a450efba4da1c05877e8c1864371abaa2978e70f676
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6c319d6d4f8731f7e830610a0e0fd3ac6a9c87cb18069a4810cf305bb70afafc
[INFO] running `Command { std: "docker" "start" "-a" "6c319d6d4f8731f7e830610a0e0fd3ac6a9c87cb18069a4810cf305bb70afafc", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt::format`
[INFO] [stderr]    --> src/filesystem.rs:287:9
[INFO] [stderr]     |
[INFO] [stderr] 287 |     use std::fmt::format;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `symp` (bin "symp" test) generated 1 warning (run `cargo fix --bin "symp" -p symp --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/symp-a1b7a65e05735e4f)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test filesystem::tests::backup_dir ... ok
[INFO] [stdout] test filesystem::tests::relative_to ... ok
[INFO] [stdout] test filesystem::tests::expand_path ... ok
[INFO] [stdout] test filesystem::tests::symlink_dir ... ok
[INFO] [stdout] test filesystem::tests::symlink_file ... ok
[INFO] [stdout] test filesystem::tests::backup_file ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6c319d6d4f8731f7e830610a0e0fd3ac6a9c87cb18069a4810cf305bb70afafc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c319d6d4f8731f7e830610a0e0fd3ac6a9c87cb18069a4810cf305bb70afafc", kill_on_drop: false }`
[INFO] [stdout] 6c319d6d4f8731f7e830610a0e0fd3ac6a9c87cb18069a4810cf305bb70afafc
