[INFO] cloning repository https://github.com/windelbouwman/zowski
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/windelbouwman/zowski" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee62b64f19f482c9b9af106843f1973b8a7d4a73
[INFO] checking windelbouwman/zowski against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/windelbouwman/zowski 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/windelbouwman/zowski
[INFO] finished tweaking git repo https://github.com/windelbouwman/zowski
[INFO] tweaked toml for git repo https://github.com/windelbouwman/zowski written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/windelbouwman/zowski 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 tera v1.15.0
[INFO] [stderr]   Downloaded globset v0.4.8
[INFO] [stderr]   Downloaded thread_local v1.1.3
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded typenum v1.14.0
[INFO] [stderr]   Downloaded serde_derive v1.0.131
[INFO] [stderr]   Downloaded ignore v0.4.18
[INFO] [stderr]   Downloaded serde_json v1.0.72
[INFO] [stderr]   Downloaded bstr v0.2.17
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded serde v1.0.131
[INFO] [stderr]   Downloaded proc-macro2 v1.0.33
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 806c4e27cf937a790b4eaf8b45c26a76151798915fb4fe198c6f6e936241f135
[INFO] running `Command { std: "docker" "start" "-a" "806c4e27cf937a790b4eaf8b45c26a76151798915fb4fe198c6f6e936241f135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "806c4e27cf937a790b4eaf8b45c26a76151798915fb4fe198c6f6e936241f135", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "806c4e27cf937a790b4eaf8b45c26a76151798915fb4fe198c6f6e936241f135", kill_on_drop: false }`
[INFO] [stdout] 806c4e27cf937a790b4eaf8b45c26a76151798915fb4fe198c6f6e936241f135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] bad6c65206f37da44301dfa0188e44e909fd8240b6c6f8cdb4ce52d84d4d75b2
[INFO] running `Command { std: "docker" "start" "-a" "bad6c65206f37da44301dfa0188e44e909fd8240b6c6f8cdb4ce52d84d4d75b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking globwalk v0.8.1
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking tera v1.15.0
[INFO] [stderr]     Checking zowski v0.1.0 (/opt/rustwide/workdir/zowski)
[INFO] [stdout] warning: fields `typ` and `text` are never read
[INFO] [stdout]  --> zowski/src/scanner.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     typ: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking zowski-cli v0.1.0 (/opt/rustwide/workdir/zowski-cli)
[INFO] [stdout] warning: fields `typ` and `text` are never read
[INFO] [stdout]  --> zowski/src/scanner.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Token {
[INFO] [stdout]   |            ----- fields in this struct
[INFO] [stdout] 6 |     typ: String,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 7 |     text: String,
[INFO] [stdout]   |     ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Token` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.48s
[INFO] running `Command { std: "docker" "inspect" "bad6c65206f37da44301dfa0188e44e909fd8240b6c6f8cdb4ce52d84d4d75b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bad6c65206f37da44301dfa0188e44e909fd8240b6c6f8cdb4ce52d84d4d75b2", kill_on_drop: false }`
[INFO] [stdout] bad6c65206f37da44301dfa0188e44e909fd8240b6c6f8cdb4ce52d84d4d75b2
[INFO] checking windelbouwman/zowski against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwindelbouwman%2Fzowski" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/windelbouwman/zowski 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/windelbouwman/zowski
[INFO] finished tweaking git repo https://github.com/windelbouwman/zowski
[INFO] tweaked toml for git repo https://github.com/windelbouwman/zowski written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/windelbouwman/zowski 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 25c55f4a10a0a58eb9adf7fe80282105f069e9d6fc762eb56e8a219fa72189c9
[INFO] running `Command { std: "docker" "start" "-a" "25c55f4a10a0a58eb9adf7fe80282105f069e9d6fc762eb56e8a219fa72189c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "25c55f4a10a0a58eb9adf7fe80282105f069e9d6fc762eb56e8a219fa72189c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25c55f4a10a0a58eb9adf7fe80282105f069e9d6fc762eb56e8a219fa72189c9", kill_on_drop: false }`
[INFO] [stdout] 25c55f4a10a0a58eb9adf7fe80282105f069e9d6fc762eb56e8a219fa72189c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 266982baa6295118c7be8bbf7e796792299a238f51c5b133bbe22031cf4f4e22
[INFO] running `Command { std: "docker" "start" "-a" "266982baa6295118c7be8bbf7e796792299a238f51c5b133bbe22031cf4f4e22", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.33
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde_derive v1.0.131
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling serde v1.0.131
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking unic-common v0.9.0
[INFO] [stderr]     Checking unic-char-range v0.9.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]     Checking unic-ucd-version v0.9.0
[INFO] [stderr]     Checking unic-char-property v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/crossbeam-utils-0.8.5/src/sync/parker.rs:364:25
[INFO] [stdout]     |
[INFO] [stdout] 364 | /                         match self.state.swap(EMPTY, SeqCst) {
[INFO] [stdout] 365 | |                             NOTIFIED | PARKED => return,
[INFO] [stdout] 366 | |                             n => panic!("inconsistent park_timeout state: {}", n),
[INFO] [stdout] 367 | |                         };
[INFO] [stdout]     | |_________________________^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking unic-segment v0.9.0
[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" "266982baa6295118c7be8bbf7e796792299a238f51c5b133bbe22031cf4f4e22", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "266982baa6295118c7be8bbf7e796792299a238f51c5b133bbe22031cf4f4e22", kill_on_drop: false }`
[INFO] [stdout] 266982baa6295118c7be8bbf7e796792299a238f51c5b133bbe22031cf4f4e22