[INFO] fetching crate mark_recall 0.1.0...
[INFO] testing mark_recall-0.1.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate mark_recall 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate mark_recall 0.1.0
[INFO] finished tweaking crates.io crate mark_recall 0.1.0
[INFO] tweaked toml for crates.io crate mark_recall 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate mark_recall 0.1.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate mark_recall 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded clap_derive v4.5.3
[INFO] [stderr]   Downloaded anstream v0.6.13
[INFO] [stderr]   Downloaded clap_builder v4.5.2
[INFO] [stderr]   Downloaded clap v4.5.3
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e25dd2533ba5dd419b048d120df0c317ead6c5f24dde3c79641d1d678c8639bd
[INFO] running `Command { std: "docker" "start" "-a" "e25dd2533ba5dd419b048d120df0c317ead6c5f24dde3c79641d1d678c8639bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e25dd2533ba5dd419b048d120df0c317ead6c5f24dde3c79641d1d678c8639bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e25dd2533ba5dd419b048d120df0c317ead6c5f24dde3c79641d1d678c8639bd", kill_on_drop: false }`
[INFO] [stdout] e25dd2533ba5dd419b048d120df0c317ead6c5f24dde3c79641d1d678c8639bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2624f475fa686ef6b637255313e6113c5faabd561b595cfdb7f5851072145c6a
[INFO] running `Command { std: "docker" "start" "-a" "2624f475fa686ef6b637255313e6113c5faabd561b595cfdb7f5851072145c6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling ryu v1.0.17
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling anstream v0.6.13
[INFO] [stderr]    Compiling clap_builder v4.5.2
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.53
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]    Compiling clap_derive v4.5.3
[INFO] [stderr]    Compiling clap v4.5.3
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]    Compiling mark_recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Mark` is never constructed
[INFO] [stdout]   --> src/bin/mr.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Mark {
[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 14.44s
[INFO] running `Command { std: "docker" "inspect" "2624f475fa686ef6b637255313e6113c5faabd561b595cfdb7f5851072145c6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2624f475fa686ef6b637255313e6113c5faabd561b595cfdb7f5851072145c6a", kill_on_drop: false }`
[INFO] [stdout] 2624f475fa686ef6b637255313e6113c5faabd561b595cfdb7f5851072145c6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] edffeeebb19bc086e240116ef8ab8a9cffc568b47666692b484708c05e8774d7
[INFO] running `Command { std: "docker" "start" "-a" "edffeeebb19bc086e240116ef8ab8a9cffc568b47666692b484708c05e8774d7", kill_on_drop: false }`
[INFO] [stderr]    Compiling mark_recall v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Mark` is never constructed
[INFO] [stdout]   --> src/bin/mr.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 62 | struct Mark {
[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 0.58s
[INFO] running `Command { std: "docker" "inspect" "edffeeebb19bc086e240116ef8ab8a9cffc568b47666692b484708c05e8774d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edffeeebb19bc086e240116ef8ab8a9cffc568b47666692b484708c05e8774d7", kill_on_drop: false }`
[INFO] [stdout] edffeeebb19bc086e240116ef8ab8a9cffc568b47666692b484708c05e8774d7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 104e3453f64f7f115aeccc8ff3269d63cd9c38fa76a2a7162194966fcdf971c7
[INFO] running `Command { std: "docker" "start" "-a" "104e3453f64f7f115aeccc8ff3269d63cd9c38fa76a2a7162194966fcdf971c7", kill_on_drop: false }`
[INFO] [stderr] warning: struct `Mark` is never constructed
[INFO] [stderr]   --> src/bin/mr.rs:62:8
[INFO] [stderr]    |
[INFO] [stderr] 62 | struct Mark {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `mark_recall` (bin "mr" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/bin/mr.rs (/opt/rustwide/target/debug/deps/mr-bc9641502f3a0da3)
[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" "104e3453f64f7f115aeccc8ff3269d63cd9c38fa76a2a7162194966fcdf971c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "104e3453f64f7f115aeccc8ff3269d63cd9c38fa76a2a7162194966fcdf971c7", kill_on_drop: false }`
[INFO] [stdout] 104e3453f64f7f115aeccc8ff3269d63cd9c38fa76a2a7162194966fcdf971c7