[INFO] cloning repository https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FRcUnsafeCellVec-vs-Vec", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FRcUnsafeCellVec-vs-Vec'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9466dd0426fc0c4ee01866d4dda24372a5c2515e
[INFO] checking leeian1011/RcUnsafeCellVec-vs-Vec against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FRcUnsafeCellVec-vs-Vec" "/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/leeian1011/RcUnsafeCellVec-vs-Vec 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/leeian1011/RcUnsafeCellVec-vs-Vec
[INFO] finished tweaking git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec
[INFO] tweaked toml for git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec 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] 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] e9e6c1514c1b209e8d86c7c22c5e686621fa6a8600fbe71ef28746159debc803
[INFO] running `Command { std: "docker" "start" "-a" "e9e6c1514c1b209e8d86c7c22c5e686621fa6a8600fbe71ef28746159debc803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e9e6c1514c1b209e8d86c7c22c5e686621fa6a8600fbe71ef28746159debc803", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e9e6c1514c1b209e8d86c7c22c5e686621fa6a8600fbe71ef28746159debc803", kill_on_drop: false }`
[INFO] [stdout] e9e6c1514c1b209e8d86c7c22c5e686621fa6a8600fbe71ef28746159debc803
[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] f84dcc0a269ad429f94cae87a714967115268b28f5899513625cf174178cd67a
[INFO] running `Command { std: "docker" "start" "-a" "f84dcc0a269ad429f94cae87a714967115268b28f5899513625cf174178cd67a", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking regex-automata v0.3.9
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking thread_local v1.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking crossbeam-channel v0.5.8
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking iana-time-zone v0.1.57
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking regex v1.9.6
[INFO] [stderr]     Checking chrono v0.4.31
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling tracing-attributes v0.1.26
[INFO] [stderr]     Checking tracing v0.1.37
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tracing-appender v0.2.2
[INFO] [stderr]     Checking timer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ExampleObject {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 44 |     x: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 45 |     y: ExampleEnum,
[INFO] [stdout]    |     ^
[INFO] [stdout] 46 |     z: ExampleEnumTwo,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExampleObject` has a derived impl for the trait `Clone`, 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: fields `x`, `y`, and `z` are never read
[INFO] [stdout]   --> src/lib.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct ExampleObject {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 44 |     x: f64,
[INFO] [stdout]    |     ^
[INFO] [stdout] 45 |     y: ExampleEnum,
[INFO] [stdout]    |     ^
[INFO] [stdout] 46 |     z: ExampleEnumTwo,
[INFO] [stdout]    |     ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ExampleObject` has a derived impl for the trait `Clone`, 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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.00s
[INFO] running `Command { std: "docker" "inspect" "f84dcc0a269ad429f94cae87a714967115268b28f5899513625cf174178cd67a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f84dcc0a269ad429f94cae87a714967115268b28f5899513625cf174178cd67a", kill_on_drop: false }`
[INFO] [stdout] f84dcc0a269ad429f94cae87a714967115268b28f5899513625cf174178cd67a
[INFO] checking leeian1011/RcUnsafeCellVec-vs-Vec against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fleeian1011%2FRcUnsafeCellVec-vs-Vec" "/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/leeian1011/RcUnsafeCellVec-vs-Vec 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/leeian1011/RcUnsafeCellVec-vs-Vec
[INFO] finished tweaking git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec
[INFO] tweaked toml for git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/leeian1011/RcUnsafeCellVec-vs-Vec 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] 44309e7b10d6012817a6aa722a80f35ca2dd47f470cce7ea9a7eace150cb40ad
[INFO] running `Command { std: "docker" "start" "-a" "44309e7b10d6012817a6aa722a80f35ca2dd47f470cce7ea9a7eace150cb40ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44309e7b10d6012817a6aa722a80f35ca2dd47f470cce7ea9a7eace150cb40ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44309e7b10d6012817a6aa722a80f35ca2dd47f470cce7ea9a7eace150cb40ad", kill_on_drop: false }`
[INFO] [stdout] 44309e7b10d6012817a6aa722a80f35ca2dd47f470cce7ea9a7eace150cb40ad
[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] fcdad28104a76431a4b7ecdb4b5838a2b60f2f1c2c7d2e13ba06c9c9745c98a4
[INFO] running `Command { std: "docker" "start" "-a" "fcdad28104a76431a4b7ecdb4b5838a2b60f2f1c2c7d2e13ba06c9c9745c98a4", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]     Checking once_cell v1.18.0
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling crossbeam-utils v0.8.16
[INFO] [stderr]     Checking itoa v1.0.9
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking tracing-core v0.1.31
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking deranged v0.3.8
[INFO] [stderr]    Compiling num-traits v0.2.16
[INFO] [stderr]     Checking ryu v1.0.15
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking time v0.3.29
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking regex-automata v0.3.9
[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] [stderr]     Checking thread_local v1.1.7
[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" "fcdad28104a76431a4b7ecdb4b5838a2b60f2f1c2c7d2e13ba06c9c9745c98a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcdad28104a76431a4b7ecdb4b5838a2b60f2f1c2c7d2e13ba06c9c9745c98a4", kill_on_drop: false }`
[INFO] [stdout] fcdad28104a76431a4b7ecdb4b5838a2b60f2f1c2c7d2e13ba06c9c9745c98a4