[INFO] cloning repository https://github.com/dbueno/ascent_simple
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dbueno/ascent_simple" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbueno%2Fascent_simple", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbueno%2Fascent_simple'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8ab22dce98a7e81e8eab54c5d9ee35ed0b562577
[INFO] checking dbueno/ascent_simple against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbueno%2Fascent_simple" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbueno/ascent_simple 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/dbueno/ascent_simple
[INFO] finished tweaking git repo https://github.com/dbueno/ascent_simple
[INFO] tweaked toml for git repo https://github.com/dbueno/ascent_simple written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dbueno/ascent_simple 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 ascent_base v0.5.0
[INFO] [stderr]   Downloaded sync-unsafe-cell v0.1.1
[INFO] [stderr]   Downloaded boxcar v0.1.0
[INFO] [stderr]   Downloaded segvec v0.1.5
[INFO] [stderr]   Downloaded duplicate v0.4.1
[INFO] [stderr]   Downloaded ascent v0.5.0
[INFO] [stderr]   Downloaded ascent_macro v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f59dbf439969532147736d4ab2166c245778dbc154c04204434b6b71510cd31b
[INFO] running `Command { std: "docker" "start" "-a" "f59dbf439969532147736d4ab2166c245778dbc154c04204434b6b71510cd31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f59dbf439969532147736d4ab2166c245778dbc154c04204434b6b71510cd31b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f59dbf439969532147736d4ab2166c245778dbc154c04204434b6b71510cd31b", kill_on_drop: false }`
[INFO] [stdout] f59dbf439969532147736d4ab2166c245778dbc154c04204434b6b71510cd31b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] ed79218f093042f06eac89080c79341263b6c300b97234a5ad807f0a9029d3c2
[INFO] running `Command { std: "docker" "start" "-a" "ed79218f093042f06eac89080c79341263b6c300b97234a5ad807f0a9029d3c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling ascent_base v0.5.0
[INFO] [stderr]     Checking segvec v0.1.5
[INFO] [stderr]     Checking boxcar v0.1.0
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[INFO] [stderr]     Checking sync-unsafe-cell v0.1.1
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[INFO] [stderr]    Compiling indexmap v2.2.5
[INFO] [stderr]     Checking crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking crossbeam-deque v0.8.5
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling petgraph v0.6.4
[INFO] [stderr]     Checking rayon v1.9.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling duplicate v0.4.1
[INFO] [stderr]    Compiling ascent_macro v0.5.0
[INFO] [stderr]     Checking ascent v0.5.0
[INFO] [stderr]     Checking ascent_simple v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.11s
[INFO] running `Command { std: "docker" "inspect" "ed79218f093042f06eac89080c79341263b6c300b97234a5ad807f0a9029d3c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed79218f093042f06eac89080c79341263b6c300b97234a5ad807f0a9029d3c2", kill_on_drop: false }`
[INFO] [stdout] ed79218f093042f06eac89080c79341263b6c300b97234a5ad807f0a9029d3c2
[INFO] checking dbueno/ascent_simple against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdbueno%2Fascent_simple" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dbueno/ascent_simple 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/dbueno/ascent_simple
[INFO] finished tweaking git repo https://github.com/dbueno/ascent_simple
[INFO] tweaked toml for git repo https://github.com/dbueno/ascent_simple written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dbueno/ascent_simple 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] b9d5c7e77032fe2debf0f0f31109b4de01cedc4e28be5aac9661040c38866d74
[INFO] running `Command { std: "docker" "start" "-a" "b9d5c7e77032fe2debf0f0f31109b4de01cedc4e28be5aac9661040c38866d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d5c7e77032fe2debf0f0f31109b4de01cedc4e28be5aac9661040c38866d74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d5c7e77032fe2debf0f0f31109b4de01cedc4e28be5aac9661040c38866d74", kill_on_drop: false }`
[INFO] [stdout] b9d5c7e77032fe2debf0f0f31109b4de01cedc4e28be5aac9661040c38866d74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] f256f41942940690f393a0f8b97d5ed37f7e215421d3216dedb51f68912c0f4e
[INFO] running `Command { std: "docker" "start" "-a" "f256f41942940690f393a0f8b97d5ed37f7e215421d3216dedb51f68912c0f4e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling rayon-core v1.12.1
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling equivalent v1.0.1
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]    Compiling hashbrown v0.14.3
[INFO] [stderr]     Checking allocator-api2 v0.2.16
[INFO] [stderr]    Compiling fixedbitset v0.4.2
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]    Compiling ascent_base v0.5.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]     Checking sync-unsafe-cell v0.1.1
[INFO] [stderr]     Checking segvec v0.1.5
[INFO] [stderr]     Checking boxcar v0.1.0
[INFO] [stderr]    Compiling itertools v0.10.5
[INFO] [stderr]     Checking nohash-hasher v0.2.0
[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]    Compiling indexmap v2.2.5
[INFO] [stderr]     Checking parking_lot_core v0.9.9
[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" "f256f41942940690f393a0f8b97d5ed37f7e215421d3216dedb51f68912c0f4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f256f41942940690f393a0f8b97d5ed37f7e215421d3216dedb51f68912c0f4e", kill_on_drop: false }`
[INFO] [stdout] f256f41942940690f393a0f8b97d5ed37f7e215421d3216dedb51f68912c0f4e