[INFO] cloning repository https://github.com/patrickbucher/rustlings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/patrickbucher/rustlings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b0cd9af051424e94a3877477f2c3d6721ebed736
[INFO] checking patrickbucher/rustlings against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickbucher/rustlings on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patrickbucher/rustlings
[INFO] finished tweaking git repo https://github.com/patrickbucher/rustlings
[INFO] tweaked toml for git repo https://github.com/patrickbucher/rustlings written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/patrickbucher/rustlings 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle v1.0.6
[INFO] [stderr]   Downloaded winnow v0.6.5
[INFO] [stderr]   Downloaded assert_cmd v2.0.14
[INFO] [stderr]   Downloaded anstream v0.6.13
[INFO] [stderr]   Downloaded portable-atomic v1.6.0
[INFO] [stderr]   Downloaded clap_builder v4.5.2
[INFO] [stderr]   Downloaded syn v2.0.52
[INFO] [stderr]   Downloaded bstr v1.9.1
[INFO] [stderr]   Downloaded indicatif v0.17.8
[INFO] [stderr]   Downloaded toml_edit v0.22.6
[INFO] [stderr]   Downloaded clap_lex v0.7.0
[INFO] [stderr]   Downloaded strsim v0.11.0
[INFO] [stderr]   Downloaded clap_derive v4.5.0
[INFO] [stderr]   Downloaded clap v4.5.2
[INFO] [stderr]   Downloaded console v0.15.8
[INFO] [stderr]   Downloaded kqueue-sys v1.0.4
[INFO] [stderr]   Downloaded kqueue v1.0.8
[INFO] [stderr]   Downloaded notify v6.1.1
[INFO] [stderr]   Downloaded notify-debouncer-mini v0.4.1
[INFO] [stderr]   Downloaded predicates v3.1.0
[INFO] [stderr]   Downloaded indexmap v2.2.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e243fc7e462970e766e6522a14c53805f1f0e19a0a122e6c24b5a0f1aa8b534f
[INFO] running `Command { std: "docker" "start" "-a" "e243fc7e462970e766e6522a14c53805f1f0e19a0a122e6c24b5a0f1aa8b534f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e243fc7e462970e766e6522a14c53805f1f0e19a0a122e6c24b5a0f1aa8b534f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e243fc7e462970e766e6522a14c53805f1f0e19a0a122e6c24b5a0f1aa8b534f", kill_on_drop: false }`
[INFO] [stdout] e243fc7e462970e766e6522a14c53805f1f0e19a0a122e6c24b5a0f1aa8b534f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e9355accac4697fd709b3c9e90b78cd92fa548ea2cd0808679ddb1afed4fe905
[INFO] running `Command { std: "docker" "start" "-a" "e9355accac4697fd709b3c9e90b78cd92fa548ea2cd0808679ddb1afed4fe905", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking filetime v0.2.23
[INFO] [stderr]     Checking console v0.15.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking inotify v0.9.6
[INFO] [stderr]     Checking indicatif v0.17.8
[INFO] [stderr]     Checking notify v6.1.1
[INFO] [stderr]     Checking float-cmp v0.9.0
[INFO] [stderr]     Checking notify-debouncer-mini v0.4.1
[INFO] [stderr]     Checking regex-automata v0.4.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]     Checking regex v1.10.3
[INFO] [stderr]     Checking bstr v1.9.1
[INFO] [stderr]     Checking predicates v3.1.0
[INFO] [stderr]     Checking clap v4.5.2
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.5
[INFO] [stderr]     Checking toml_edit v0.22.6
[INFO] [stderr]     Checking toml v0.8.10
[INFO] [stderr]     Checking rustlings v5.6.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.23s
[INFO] running `Command { std: "docker" "inspect" "e9355accac4697fd709b3c9e90b78cd92fa548ea2cd0808679ddb1afed4fe905", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9355accac4697fd709b3c9e90b78cd92fa548ea2cd0808679ddb1afed4fe905", kill_on_drop: false }`
[INFO] [stdout] e9355accac4697fd709b3c9e90b78cd92fa548ea2cd0808679ddb1afed4fe905
[INFO] checking patrickbucher/rustlings against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpatrickbucher%2Frustlings" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/patrickbucher/rustlings on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/patrickbucher/rustlings
[INFO] finished tweaking git repo https://github.com/patrickbucher/rustlings
[INFO] tweaked toml for git repo https://github.com/patrickbucher/rustlings written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/patrickbucher/rustlings 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" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4edcb883e1de1fe33635d18bdf09ace2cf42d41ddf8368de368e5975251e4002
[INFO] running `Command { std: "docker" "start" "-a" "4edcb883e1de1fe33635d18bdf09ace2cf42d41ddf8368de368e5975251e4002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4edcb883e1de1fe33635d18bdf09ace2cf42d41ddf8368de368e5975251e4002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4edcb883e1de1fe33635d18bdf09ace2cf42d41ddf8368de368e5975251e4002", kill_on_drop: false }`
[INFO] [stdout] 4edcb883e1de1fe33635d18bdf09ace2cf42d41ddf8368de368e5975251e4002
[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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ad08eaf70734162c17b9866ab1562f5abd75e9aac1b3ad743782abded5596ecd
[INFO] running `Command { std: "docker" "start" "-a" "ad08eaf70734162c17b9866ab1562f5abd75e9aac1b3ad743782abded5596ecd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking anstyle v1.0.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking log v0.4.21
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling portable-atomic v1.6.0
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking anstyle-query v1.0.2
[INFO] [stderr]     Checking colorchoice v1.0.0
[INFO] [stderr]     Checking walkdir v2.5.0
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking strsim v0.11.0
[INFO] [stderr]     Checking predicates-core v1.0.6
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking clap_lex v0.7.0
[INFO] [stderr]     Checking winnow v0.6.5
[INFO] [stderr]     Checking anstream v0.6.13
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking termtree v0.4.1
[INFO] [stderr]     Checking ryu v1.0.17
[INFO] [stderr]     Checking difflib v0.4.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking number_prefix v0.4.0
[INFO] [stderr]    Compiling assert_cmd v2.0.14
[INFO] [stderr]     Checking clap_builder v4.5.2
[INFO] [stderr]     Checking itoa v1.0.10
[INFO] [stderr]     Checking predicates-tree v1.0.9
[INFO] [stderr]     Checking home v0.5.9
[INFO] [stderr]     Checking glob v0.3.1
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.19/src/sync/parker.rs:370:25
[INFO] [stdout]     |
[INFO] [stdout] 370 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 371 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 372 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 373 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking indexmap v2.2.5
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crossbeam-utils` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "ad08eaf70734162c17b9866ab1562f5abd75e9aac1b3ad743782abded5596ecd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad08eaf70734162c17b9866ab1562f5abd75e9aac1b3ad743782abded5596ecd", kill_on_drop: false }`
[INFO] [stdout] ad08eaf70734162c17b9866ab1562f5abd75e9aac1b3ad743782abded5596ecd