[INFO] fetching crate pmortem 0.1.0...
[INFO] checking pmortem-0.1.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1
[INFO] extracting crate pmortem 0.1.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pmortem 0.1.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b382e26d5e0a49c27bf1764b042cdd0584c712c6e228674877a7e44880b9100d
[INFO] running `Command { std: "docker" "start" "-a" "b382e26d5e0a49c27bf1764b042cdd0584c712c6e228674877a7e44880b9100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b382e26d5e0a49c27bf1764b042cdd0584c712c6e228674877a7e44880b9100d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b382e26d5e0a49c27bf1764b042cdd0584c712c6e228674877a7e44880b9100d", kill_on_drop: false }`
[INFO] [stdout] b382e26d5e0a49c27bf1764b042cdd0584c712c6e228674877a7e44880b9100d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 83cbe3dbfeb47530a8b96e4d0a8dee8291fd85e6ae3532f44b4b80c48ca724e5
[INFO] running `Command { std: "docker" "start" "-a" "83cbe3dbfeb47530a8b96e4d0a8dee8291fd85e6ae3532f44b4b80c48ca724e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.92
[INFO] [stderr]    Compiling unicode-ident v1.0.14
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]    Compiling libc v0.2.169
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]    Compiling rustix v0.38.42
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling cfg_aliases v0.2.1
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking anstyle-query v1.1.2
[INFO] [stderr]     Checking anstyle v1.0.10
[INFO] [stderr]     Checking colorchoice v1.0.3
[INFO] [stderr]     Checking uuid v1.11.0
[INFO] [stderr]    Compiling nix v0.29.0
[INFO] [stderr]     Checking fastrand v2.3.0
[INFO] [stderr]     Checking anstyle-parse v0.2.6
[INFO] [stderr]    Compiling minidump-writer v0.10.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]    Compiling serde v1.0.216
[INFO] [stderr]     Checking clap_lex v0.7.4
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking plain v0.2.3
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]     Checking anstream v0.6.18
[INFO] [stderr]     Checking hex v0.4.3
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking iana-time-zone v0.1.61
[INFO] [stderr]     Checking debugid v0.8.0
[INFO] [stderr]     Checking clap_builder v4.5.23
[INFO] [stderr]     Checking procfs-core v0.16.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling memoffset v0.9.1
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling syn v2.0.90
[INFO] [stderr]     Checking range-map v0.2.0
[INFO] [stderr]     Checking chrono v0.4.39
[INFO] [stderr]     Checking memmap2 v0.9.5
[INFO] [stderr]     Checking crash-context v0.6.3
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]    Compiling scroll_derive v0.12.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]    Compiling smart-default v0.7.1
[INFO] [stderr]    Compiling serde_derive v1.0.216
[INFO] [stderr]    Compiling clap_derive v4.5.18
[INFO] [stderr]     Checking scroll v0.12.0
[INFO] [stderr]     Checking goblin v0.8.2
[INFO] [stderr]     Checking minidump-common v0.22.2
[INFO] [stderr]     Checking clap v4.5.23
[INFO] [stderr]     Checking pmortem v0.1.0 (/opt/rustwide/workdir)
[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] 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)]` 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] 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] [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)]` 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] running `Command { std: "docker" "inspect" "83cbe3dbfeb47530a8b96e4d0a8dee8291fd85e6ae3532f44b4b80c48ca724e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83cbe3dbfeb47530a8b96e4d0a8dee8291fd85e6ae3532f44b4b80c48ca724e5", kill_on_drop: false }`
[INFO] [stdout] 83cbe3dbfeb47530a8b96e4d0a8dee8291fd85e6ae3532f44b4b80c48ca724e5