[INFO] cloning repository https://github.com/exercism/rust-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/exercism/rust-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f88f84fed88281e86d70f7281acc956d53e16eeb
[INFO] checking exercism/rust-analyzer against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exercism/rust-analyzer 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/exercism/rust-analyzer
[INFO] finished tweaking git repo https://github.com/exercism/rust-analyzer
[INFO] tweaked toml for git repo https://github.com/exercism/rust-analyzer written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/exercism/rust-analyzer 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]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.176
[INFO] [stderr]   Downloaded serde_derive v1.0.176
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7f1ccf27dd5829574ec166891b1debd813b97364e4f9469ef72179ae3bdbd579
[INFO] running `Command { std: "docker" "start" "-a" "7f1ccf27dd5829574ec166891b1debd813b97364e4f9469ef72179ae3bdbd579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f1ccf27dd5829574ec166891b1debd813b97364e4f9469ef72179ae3bdbd579", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f1ccf27dd5829574ec166891b1debd813b97364e4f9469ef72179ae3bdbd579", kill_on_drop: false }`
[INFO] [stdout] 7f1ccf27dd5829574ec166891b1debd813b97364e4f9469ef72179ae3bdbd579
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7117f3c2f2ebe9b64b46a64580c01018e1665e6c52a7253adc093737533d5bc6
[INFO] running `Command { std: "docker" "start" "-a" "7117f3c2f2ebe9b64b46a64580c01018e1665e6c52a7253adc093737533d5bc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling serde v1.0.176
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling serde_derive v1.0.176
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stderr]     Checking clap_builder v4.3.19
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking rayon-core v1.11.0
[INFO] [stderr]     Checking rayon v1.7.0
[INFO] [stderr]     Checking clap v4.3.19
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking rust-analyzer v0.4.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ReverseStringComment` is imported redundantly
[INFO] [stdout]  --> src/analyzers/reverse_string/test.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `ReverseStringComment` is already imported here
[INFO] [stdout] 2 | use crate::analyzers::reverse_string::comments::ReverseStringComment;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `File` is imported redundantly
[INFO] [stdout]  --> src/analyzers/reverse_string/test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     -------- the item `File` is already imported here
[INFO] [stdout] 2 | use crate::analyzers::reverse_string::comments::ReverseStringComment;
[INFO] [stdout] 3 | use syn::File;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.88s
[INFO] running `Command { std: "docker" "inspect" "7117f3c2f2ebe9b64b46a64580c01018e1665e6c52a7253adc093737533d5bc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7117f3c2f2ebe9b64b46a64580c01018e1665e6c52a7253adc093737533d5bc6", kill_on_drop: false }`
[INFO] [stdout] 7117f3c2f2ebe9b64b46a64580c01018e1665e6c52a7253adc093737533d5bc6
[INFO] checking exercism/rust-analyzer against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fexercism%2Frust-analyzer" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/exercism/rust-analyzer 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/exercism/rust-analyzer
[INFO] finished tweaking git repo https://github.com/exercism/rust-analyzer
[INFO] tweaked toml for git repo https://github.com/exercism/rust-analyzer written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/exercism/rust-analyzer 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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48600e873a5efb273f1beb548c188da6695bf1863ff68d29db76e14a3105a41e
[INFO] running `Command { std: "docker" "start" "-a" "48600e873a5efb273f1beb548c188da6695bf1863ff68d29db76e14a3105a41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48600e873a5efb273f1beb548c188da6695bf1863ff68d29db76e14a3105a41e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48600e873a5efb273f1beb548c188da6695bf1863ff68d29db76e14a3105a41e", kill_on_drop: false }`
[INFO] [stdout] 48600e873a5efb273f1beb548c188da6695bf1863ff68d29db76e14a3105a41e
[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=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] 5934145b9d24e491b4bc3bd7cf8d84858727e035f6e9721ed7022787d98944ce
[INFO] running `Command { std: "docker" "start" "-a" "5934145b9d24e491b4bc3bd7cf8d84858727e035f6e9721ed7022787d98944ce", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]     Checking unicode-ident v1.0.11
[INFO] [stderr]    Compiling serde v1.0.176
[INFO] [stderr]     Checking clap_lex v0.5.0
[INFO] [stderr]    Compiling serde_json v1.0.104
[INFO] [stderr]     Checking anstyle v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.176
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]     Checking crossbeam-utils v0.8.16
[INFO] [stderr]     Checking either v1.9.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/serde_derive-1.0.176/src/lib_precompiled.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |         panic!();
[INFO] [stdout]    |         ^^^^^^^^ cannot infer type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[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 `serde_derive` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.16/src/sync/parker.rs:371:25
[INFO] [stdout]     |
[INFO] [stdout] 371 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 372 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 373 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 374 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[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] running `Command { std: "docker" "inspect" "5934145b9d24e491b4bc3bd7cf8d84858727e035f6e9721ed7022787d98944ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5934145b9d24e491b4bc3bd7cf8d84858727e035f6e9721ed7022787d98944ce", kill_on_drop: false }`
[INFO] [stdout] 5934145b9d24e491b4bc3bd7cf8d84858727e035f6e9721ed7022787d98944ce