[INFO] fetching crate peeker 1.2.0...
[INFO] testing peeker-1.2.0 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate peeker 1.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate peeker 1.2.0
[INFO] finished tweaking crates.io crate peeker 1.2.0
[INFO] tweaked toml for crates.io crate peeker 1.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate peeker 1.2.0 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 peeker 1.2.0 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-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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] da5908e292ef90fcf90d2567c67617092515943f6a4cc85ca12e4585878ce920
[INFO] running `Command { std: "docker" "start" "-a" "da5908e292ef90fcf90d2567c67617092515943f6a4cc85ca12e4585878ce920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da5908e292ef90fcf90d2567c67617092515943f6a4cc85ca12e4585878ce920", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da5908e292ef90fcf90d2567c67617092515943f6a4cc85ca12e4585878ce920", kill_on_drop: false }`
[INFO] [stdout] da5908e292ef90fcf90d2567c67617092515943f6a4cc85ca12e4585878ce920
[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] 7efeff0df8301ebe85842ac61204192127a28ab60dbd5aabbc2f6bbecb3aaba4
[INFO] running `Command { std: "docker" "start" "-a" "7efeff0df8301ebe85842ac61204192127a28ab60dbd5aabbc2f6bbecb3aaba4", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling tree-sitter-language v0.1.5
[INFO] [stderr]    Compiling rustix v1.1.2
[INFO] [stderr]    Compiling litrs v1.0.0
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling signal-hook-registry v1.4.7
[INFO] [stderr]    Compiling parking_lot_core v0.9.12
[INFO] [stderr]    Compiling mio v1.1.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling derive_more-impl v2.1.0
[INFO] [stderr]    Compiling strict v0.2.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v2.0.17
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling indexmap v2.12.1
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling tree-sitter-python v0.25.0
[INFO] [stderr]    Compiling tree-sitter-c v0.24.1
[INFO] [stderr]    Compiling signal-hook v0.3.18
[INFO] [stderr]    Compiling parking_lot v0.12.5
[INFO] [stderr]    Compiling tree-sitter-javascript v0.25.0
[INFO] [stderr]    Compiling tree-sitter-cpp v0.23.4
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling signal-hook-mio v0.2.5
[INFO] [stderr]    Compiling tree-sitter-rust v0.24.0
[INFO] [stderr]    Compiling tree-sitter-java v0.23.5
[INFO] [stderr]    Compiling tree-sitter-typescript v0.23.2
[INFO] [stderr]    Compiling tree-sitter-go v0.25.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling document-features v0.2.12
[INFO] [stderr]    Compiling derive_more v2.1.0
[INFO] [stderr]    Compiling minimad v0.14.0
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling streaming-iterator v0.1.9
[INFO] [stderr]    Compiling crossterm v0.29.0
[INFO] [stderr]    Compiling thiserror v2.0.17
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]    Compiling coolor v1.1.0
[INFO] [stderr]    Compiling crokey-proc_macros v1.3.0
[INFO] [stderr]    Compiling crokey v1.3.0
[INFO] [stderr]    Compiling regex v1.12.2
[INFO] [stderr]    Compiling tree-sitter v0.25.10
[INFO] [stderr]    Compiling lazy-regex-proc_macros v3.4.2
[INFO] [stderr]    Compiling lazy-regex v3.4.2
[INFO] [stderr]    Compiling termimad v0.34.1
[INFO] [stderr]    Compiling peeker v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.79s
[INFO] running `Command { std: "docker" "inspect" "7efeff0df8301ebe85842ac61204192127a28ab60dbd5aabbc2f6bbecb3aaba4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7efeff0df8301ebe85842ac61204192127a28ab60dbd5aabbc2f6bbecb3aaba4", kill_on_drop: false }`
[INFO] [stdout] 7efeff0df8301ebe85842ac61204192127a28ab60dbd5aabbc2f6bbecb3aaba4
[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] 76a432a8d0f953544653c85769487e41bc3e8192fbf1f51e1e6395f04420119e
[INFO] running `Command { std: "docker" "start" "-a" "76a432a8d0f953544653c85769487e41bc3e8192fbf1f51e1e6395f04420119e", kill_on_drop: false }`
[INFO] [stderr]    Compiling peeker v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.20s
[INFO] running `Command { std: "docker" "inspect" "76a432a8d0f953544653c85769487e41bc3e8192fbf1f51e1e6395f04420119e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76a432a8d0f953544653c85769487e41bc3e8192fbf1f51e1e6395f04420119e", kill_on_drop: false }`
[INFO] [stdout] 76a432a8d0f953544653c85769487e41bc3e8192fbf1f51e1e6395f04420119e
[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] 51b4439ffc1f59d04b09fc6a57212485b8526f870a05c647f6c398cc12eda68a
[INFO] running `Command { std: "docker" "start" "-a" "51b4439ffc1f59d04b09fc6a57212485b8526f870a05c647f6c398cc12eda68a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/peeker-6408b5ff4d6aa697)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/peeker-526a77d049b627a0)
[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] [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]    Doc-tests peeker
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stdout] all doctests ran in 0.89s; merged doctests compilation took 0.84s
[INFO] running `Command { std: "docker" "inspect" "51b4439ffc1f59d04b09fc6a57212485b8526f870a05c647f6c398cc12eda68a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b4439ffc1f59d04b09fc6a57212485b8526f870a05c647f6c398cc12eda68a", kill_on_drop: false }`
[INFO] [stdout] 51b4439ffc1f59d04b09fc6a57212485b8526f870a05c647f6c398cc12eda68a
