[INFO] fetching crate shim 0.1.4...
[INFO] testing shim-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate shim 0.1.4 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate shim 0.1.4
[INFO] finished tweaking crates.io crate shim 0.1.4
[INFO] tweaked toml for crates.io crate shim 0.1.4 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate shim 0.1.4 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 shim 0.1.4 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] [stderr]     Blocking waiting for file lock on package cache
[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" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 957d2e8221ab3ea502d56b2bea6bd858b13abc01e0e03174a2d8c43b202f2409
[INFO] running `Command { std: "docker" "start" "-a" "957d2e8221ab3ea502d56b2bea6bd858b13abc01e0e03174a2d8c43b202f2409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "957d2e8221ab3ea502d56b2bea6bd858b13abc01e0e03174a2d8c43b202f2409", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "957d2e8221ab3ea502d56b2bea6bd858b13abc01e0e03174a2d8c43b202f2409", kill_on_drop: false }`
[INFO] [stdout] 957d2e8221ab3ea502d56b2bea6bd858b13abc01e0e03174a2d8c43b202f2409
[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=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] 2ecc8d51f479e8532cd7b586ed1b9d8f87c8f89d2a63430cbdf6e7d1ec3ba4f3
[INFO] running `Command { std: "docker" "start" "-a" "2ecc8d51f479e8532cd7b586ed1b9d8f87c8f89d2a63430cbdf6e7d1ec3ba4f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling futures-core v0.3.25
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling pin-project-lite v0.2.9
[INFO] [stderr]    Compiling parking_lot_core v0.9.4
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling slab v0.4.7
[INFO] [stderr]    Compiling futures-channel v0.3.25
[INFO] [stderr]    Compiling futures-task v0.3.25
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.147
[INFO] [stderr]    Compiling smallvec v1.10.0
[INFO] [stderr]    Compiling tokio v1.21.2
[INFO] [stderr]    Compiling serde v1.0.147
[INFO] [stderr]    Compiling futures-sink v0.3.25
[INFO] [stderr]    Compiling futures-util v0.3.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling futures-io v0.3.25
[INFO] [stderr]    Compiling bytes v1.2.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.66
[INFO] [stderr]    Compiling indexmap v1.9.1
[INFO] [stderr]    Compiling async-trait v0.1.60
[INFO] [stderr]    Compiling either v1.8.0
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling regex-syntax v0.6.27
[INFO] [stderr]    Compiling termcolor v1.1.3
[INFO] [stderr]    Compiling os_str_bytes v6.3.0
[INFO] [stderr]    Compiling socket2 v0.4.7
[INFO] [stderr]    Compiling mio v0.8.5
[INFO] [stderr]    Compiling signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling num_cpus v1.13.1
[INFO] [stderr]    Compiling parking_lot v0.12.1
[INFO] [stderr]    Compiling which v4.3.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling nix v0.25.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling regex v1.6.0
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling once_cell v1.15.0
[INFO] [stderr]    Compiling iana-time-zone v0.1.51
[INFO] [stderr]    Compiling itoa v1.0.4
[INFO] [stderr]    Compiling unsafe-libyaml v0.2.4
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling chrono v0.4.22
[INFO] [stderr]    Compiling directories-next v2.0.0
[INFO] [stderr]    Compiling env_logger v0.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.25
[INFO] [stderr]    Compiling tokio-macros v1.8.0
[INFO] [stderr]    Compiling async-stream-impl v0.3.3
[INFO] [stderr]    Compiling clap_derive v4.0.18
[INFO] [stderr]    Compiling async-stream v0.3.3
[INFO] [stderr]    Compiling clap v4.0.18
[INFO] [stderr]    Compiling futures-executor v0.3.25
[INFO] [stderr]    Compiling futures v0.3.25
[INFO] [stderr]    Compiling tokio-stream v0.1.11
[INFO] [stderr]    Compiling tokio-fd v0.3.0
[INFO] [stderr]    Compiling toml v0.5.10
[INFO] [stderr]    Compiling serde_yaml v0.9.14
[INFO] [stderr]    Compiling ttycommand v0.1.0
[INFO] [stderr]    Compiling commandstream v0.2.0
[INFO] [stderr]    Compiling shim v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `original_command`
[INFO] [stdout]   --> src/app.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         original_command: &Path,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/app.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 let env = shim.env(); // TODO: do something with the env
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnvVar` is never constructed
[INFO] [stdout]   --> src/shim.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct EnvVar {
[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 1m 08s
[INFO] running `Command { std: "docker" "inspect" "2ecc8d51f479e8532cd7b586ed1b9d8f87c8f89d2a63430cbdf6e7d1ec3ba4f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ecc8d51f479e8532cd7b586ed1b9d8f87c8f89d2a63430cbdf6e7d1ec3ba4f3", kill_on_drop: false }`
[INFO] [stdout] 2ecc8d51f479e8532cd7b586ed1b9d8f87c8f89d2a63430cbdf6e7d1ec3ba4f3
[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=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] 07877bee7eec75ceb1ac4eb891be0d62a21c4c9f77f0fd6ed81c65449da21e17
[INFO] running `Command { std: "docker" "start" "-a" "07877bee7eec75ceb1ac4eb891be0d62a21c4c9f77f0fd6ed81c65449da21e17", kill_on_drop: false }`
[INFO] [stderr]    Compiling shim v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `original_command`
[INFO] [stdout]   --> src/app.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |         original_command: &Path,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_command`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]    --> src/app.rs:160:21
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 let env = shim.env(); // TODO: do something with the env
[INFO] [stdout]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `EnvVar` is never constructed
[INFO] [stdout]   --> src/shim.rs:41:8
[INFO] [stdout]    |
[INFO] [stdout] 41 | struct EnvVar {
[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 1.37s
[INFO] running `Command { std: "docker" "inspect" "07877bee7eec75ceb1ac4eb891be0d62a21c4c9f77f0fd6ed81c65449da21e17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07877bee7eec75ceb1ac4eb891be0d62a21c4c9f77f0fd6ed81c65449da21e17", kill_on_drop: false }`
[INFO] [stdout] 07877bee7eec75ceb1ac4eb891be0d62a21c4c9f77f0fd6ed81c65449da21e17
[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=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] fac9b2e935564694618290cbf12b414271ead2ce69f7d3154d24357d890465b0
[INFO] running `Command { std: "docker" "start" "-a" "fac9b2e935564694618290cbf12b414271ead2ce69f7d3154d24357d890465b0", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `original_command`
[INFO] [stderr]   --> src/app.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |         original_command: &Path,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_original_command`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/app.rs:160:21
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 let env = shim.env(); // TODO: do something with the env
[INFO] [stderr]     |                     ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `EnvVar` is never constructed
[INFO] [stderr]   --> src/shim.rs:41:8
[INFO] [stderr]    |
[INFO] [stderr] 41 | struct EnvVar {
[INFO] [stderr]    |        ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `shim` (bin "shim" test) generated 3 warnings (run `cargo fix --bin "shim" -p shim --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/shim-db243ba5fad56811)
[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" "fac9b2e935564694618290cbf12b414271ead2ce69f7d3154d24357d890465b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac9b2e935564694618290cbf12b414271ead2ce69f7d3154d24357d890465b0", kill_on_drop: false }`
[INFO] [stdout] fac9b2e935564694618290cbf12b414271ead2ce69f7d3154d24357d890465b0
