[INFO] fetching crate pmortem 0.1.0...
[INFO] testing pmortem-0.1.0 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate pmortem 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pmortem 0.1.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate pmortem 0.1.0
[INFO] tweaked toml for crates.io crate pmortem 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pmortem 0.1.0 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate pmortem 0.1.0 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-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e057373f9ff164628bb4d169fc47c6a517d1599291da899dfe3b28e04669832d
[INFO] running `Command { std: "docker" "start" "-a" "e057373f9ff164628bb4d169fc47c6a517d1599291da899dfe3b28e04669832d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e057373f9ff164628bb4d169fc47c6a517d1599291da899dfe3b28e04669832d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e057373f9ff164628bb4d169fc47c6a517d1599291da899dfe3b28e04669832d", kill_on_drop: false }`
[INFO] [stdout] e057373f9ff164628bb4d169fc47c6a517d1599291da899dfe3b28e04669832d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1d8c66219872587dd8c302a650ec41cde08fee352d1fb42d1ccbd47a4e5e4f9
[INFO] running `Command { std: "docker" "start" "-a" "e1d8c66219872587dd8c302a650ec41cde08fee352d1fb42d1ccbd47a4e5e4f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling debugid v0.8.0
[INFO] [stderr]    Compiling log v0.4.22
[INFO] [stderr]    Compiling once_cell v1.20.2
[INFO] [stderr]    Compiling plain v0.2.3
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]    Compiling minidump-writer v0.10.1
[INFO] [stderr]    Compiling procfs-core v0.16.0
[INFO] [stderr]    Compiling clap_builder v4.5.23
[INFO] [stderr]    Compiling range-map v0.2.0
[INFO] [stderr]    Compiling chrono v0.4.39
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]    Compiling crash-context v0.6.3
[INFO] [stderr]    Compiling memmap2 v0.9.5
[INFO] [stderr]    Compiling tempfile v3.14.0
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling scroll v0.12.0
[INFO] [stderr]    Compiling goblin v0.8.2
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling minidump-common v0.22.2
[INFO] [stderr]    Compiling clap v4.5.23
[INFO] [stderr]    Compiling pmortem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exception`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         exception,
[INFO] [stdout]    |         ^^^^^^^^^ help: try ignoring the field: `exception: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         exit,
[INFO] [stdout]    |         ^^^^ help: try ignoring the field: `exit: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_f`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let output_f = || {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.02s
[INFO] running `Command { std: "docker" "inspect" "e1d8c66219872587dd8c302a650ec41cde08fee352d1fb42d1ccbd47a4e5e4f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1d8c66219872587dd8c302a650ec41cde08fee352d1fb42d1ccbd47a4e5e4f9", kill_on_drop: false }`
[INFO] [stdout] e1d8c66219872587dd8c302a650ec41cde08fee352d1fb42d1ccbd47a4e5e4f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5645040c4b1633bc9eac8c524947c99e1e9a2b7c176a6d3bfc358272dac4e26d
[INFO] running `Command { std: "docker" "start" "-a" "5645040c4b1633bc9eac8c524947c99e1e9a2b7c176a6d3bfc358272dac4e26d", kill_on_drop: false }`
[INFO] [stderr]    Compiling pmortem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `exception`
[INFO] [stdout]   --> src/main.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         exception,
[INFO] [stdout]    |         ^^^^^^^^^ help: try ignoring the field: `exception: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exit`
[INFO] [stdout]   --> src/main.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |         exit,
[INFO] [stdout]    |         ^^^^ help: try ignoring the field: `exit: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_f`
[INFO] [stdout]   --> src/main.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     let output_f = || {
[INFO] [stdout]    |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_f`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]   --> examples/foo.rs:15:18
[INFO] [stdout]    |
[INFO] [stdout] 15 |         let sz = libc::backtrace(&mut buf, 64);
[INFO] [stdout]    |                  ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of unresolved module or unlinked crate `libc`
[INFO] [stdout]   --> examples/foo.rs:16:23
[INFO] [stdout]    |
[INFO] [stdout] 16 |         let mut sym = libc::backtrace_symbols(&buf, sz);
[INFO] [stdout]    |                       ^^^^ use of unresolved module or unlinked crate `libc`
[INFO] [stdout]    |
[INFO] [stdout]    = help: if you wanted to use a crate named `libc`, use `cargo add libc` to add it to your `Cargo.toml`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pmortem` (example "foo") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "5645040c4b1633bc9eac8c524947c99e1e9a2b7c176a6d3bfc358272dac4e26d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5645040c4b1633bc9eac8c524947c99e1e9a2b7c176a6d3bfc358272dac4e26d", kill_on_drop: false }`
[INFO] [stdout] 5645040c4b1633bc9eac8c524947c99e1e9a2b7c176a6d3bfc358272dac4e26d
