[INFO] fetching crate git-branch-history 0.1.0...
[INFO] testing git-branch-history-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate git-branch-history 0.1.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate git-branch-history 0.1.0
[INFO] finished tweaking crates.io crate git-branch-history 0.1.0
[INFO] tweaked toml for crates.io crate git-branch-history 0.1.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate git-branch-history 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate git-branch-history 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-2025-09-21" "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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 139cd794aeaf9b5ebfb698ab423c2b15aa296a87c32ad53cbfc71ac11c5b9da1
[INFO] running `Command { std: "docker" "start" "-a" "139cd794aeaf9b5ebfb698ab423c2b15aa296a87c32ad53cbfc71ac11c5b9da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "139cd794aeaf9b5ebfb698ab423c2b15aa296a87c32ad53cbfc71ac11c5b9da1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "139cd794aeaf9b5ebfb698ab423c2b15aa296a87c32ad53cbfc71ac11c5b9da1", kill_on_drop: false }`
[INFO] [stdout] 139cd794aeaf9b5ebfb698ab423c2b15aa296a87c32ad53cbfc71ac11c5b9da1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04d346443e8298c328d7feb81a9751e82a2f8b3a5075cbf08c5900e560224cfd
[INFO] running `Command { std: "docker" "start" "-a" "04d346443e8298c328d7feb81a9751e82a2f8b3a5075cbf08c5900e560224cfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling pkg-config v0.3.26
[INFO] [stderr]    Compiling proc-macro2 v1.0.50
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling syn v1.0.107
[INFO] [stderr]    Compiling io-lifetimes v1.0.4
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling rustix v0.36.7
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
[INFO] [stderr]    Compiling percent-encoding v2.2.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicode-bidi v0.3.10
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling tinyvec v1.6.0
[INFO] [stderr]    Compiling form_urlencoded v1.1.0
[INFO] [stderr]    Compiling os_str_bytes v6.4.1
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling termcolor v1.2.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling clap_lex v0.3.1
[INFO] [stderr]    Compiling once_cell v1.17.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling aho-corasick v0.7.20
[INFO] [stderr]    Compiling jobserver v0.1.25
[INFO] [stderr]    Compiling cc v1.0.79
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling regex v1.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.80
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.14.2+1.5.1
[INFO] [stderr]    Compiling is-terminal v0.4.2
[INFO] [stderr]    Compiling clap_derive v4.1.0
[INFO] [stderr]    Compiling clap v4.1.4
[INFO] [stderr]    Compiling git2 v0.16.1
[INFO] [stderr]    Compiling git-branch-history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `checkout_nth` is never used
[INFO] [stdout]   --> src/repository.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Repository {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn checkout_nth(&self, n: usize) -> Result<(), Box<dyn Error>> {
[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 31.15s
[INFO] running `Command { std: "docker" "inspect" "04d346443e8298c328d7feb81a9751e82a2f8b3a5075cbf08c5900e560224cfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04d346443e8298c328d7feb81a9751e82a2f8b3a5075cbf08c5900e560224cfd", kill_on_drop: false }`
[INFO] [stdout] 04d346443e8298c328d7feb81a9751e82a2f8b3a5075cbf08c5900e560224cfd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 55a62c42ea7701e0864f20411e3a6f13034bf1285952a586b8ffce8802678f3e
[INFO] running `Command { std: "docker" "start" "-a" "55a62c42ea7701e0864f20411e3a6f13034bf1285952a586b8ffce8802678f3e", kill_on_drop: false }`
[INFO] [stderr]    Compiling git-branch-history v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `checkout_nth` is never used
[INFO] [stdout]   --> src/repository.rs:68:12
[INFO] [stdout]    |
[INFO] [stdout] 26 | impl Repository {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn checkout_nth(&self, n: usize) -> Result<(), Box<dyn Error>> {
[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 0.72s
[INFO] running `Command { std: "docker" "inspect" "55a62c42ea7701e0864f20411e3a6f13034bf1285952a586b8ffce8802678f3e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55a62c42ea7701e0864f20411e3a6f13034bf1285952a586b8ffce8802678f3e", kill_on_drop: false }`
[INFO] [stdout] 55a62c42ea7701e0864f20411e3a6f13034bf1285952a586b8ffce8802678f3e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 89674d8e86b4866caba6156d446efaeb665772d00e4f602656181a0801c4d5de
[INFO] running `Command { std: "docker" "start" "-a" "89674d8e86b4866caba6156d446efaeb665772d00e4f602656181a0801c4d5de", kill_on_drop: false }`
[INFO] [stderr] warning: method `checkout_nth` is never used
[INFO] [stderr]   --> src/repository.rs:68:12
[INFO] [stderr]    |
[INFO] [stderr] 26 | impl Repository {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 68 |     pub fn checkout_nth(&self, n: usize) -> Result<(), Box<dyn Error>> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `git-branch-history` (bin "git-popb" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/git_branch_history-d22c93610b42d078)
[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] [stderr]      Running unittests src/pop_branch.rs (/opt/rustwide/target/debug/deps/git_popb-85182ab39c6713a3)
[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" "89674d8e86b4866caba6156d446efaeb665772d00e4f602656181a0801c4d5de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89674d8e86b4866caba6156d446efaeb665772d00e4f602656181a0801c4d5de", kill_on_drop: false }`
[INFO] [stdout] 89674d8e86b4866caba6156d446efaeb665772d00e4f602656181a0801c4d5de