[INFO] cloning repository https://github.com/szymonkaliski/behaviours-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/szymonkaliski/behaviours-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymonkaliski%2Fbehaviours-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymonkaliski%2Fbehaviours-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 089f408d70c8493e4ea5d927c9818aef6efae1b6
[INFO] checking szymonkaliski/behaviours-rs against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymonkaliski%2Fbehaviours-rs" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szymonkaliski/behaviours-rs 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/szymonkaliski/behaviours-rs
[INFO] finished tweaking git repo https://github.com/szymonkaliski/behaviours-rs
[INFO] tweaked toml for git repo https://github.com/szymonkaliski/behaviours-rs written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/szymonkaliski/behaviours-rs 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 quote v0.6.12
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-webidl v0.2.43
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.43
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded weedle v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.43
[INFO] [stderr]   Downloaded termcolor v1.0.4
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded kdtree v0.5.1
[INFO] [stderr]   Downloaded backtrace v0.3.15
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded bumpalo v2.4.1
[INFO] [stderr]   Downloaded regex v1.1.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.6
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded libc v0.2.54
[INFO] [stderr]   Downloaded syn v0.15.34
[INFO] [stderr]   Downloaded web-sys v0.3.20
[INFO] [stderr]   Downloaded serde_derive v1.0.91
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded ryu v0.2.8
[INFO] [stderr]   Downloaded serde v1.0.91
[INFO] [stderr]   Downloaded cc v1.0.36
[INFO] [stderr]   Downloaded unicode-segmentation v1.2.1
[INFO] [stderr]   Downloaded env_logger v0.6.1
[INFO] [stderr]   Downloaded js-sys v0.3.20
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.43
[INFO] [stderr]   Downloaded termion v1.5.2
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.43
[INFO] [stderr]   Downloaded rustc-demangle v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] b492977f42a576be42b06b1f02ea377d2080f67c4f3f1eb0f1ff685b9ecda35e
[INFO] running `Command { std: "docker" "start" "-a" "b492977f42a576be42b06b1f02ea377d2080f67c4f3f1eb0f1ff685b9ecda35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b492977f42a576be42b06b1f02ea377d2080f67c4f3f1eb0f1ff685b9ecda35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b492977f42a576be42b06b1f02ea377d2080f67c4f3f1eb0f1ff685b9ecda35e", kill_on_drop: false }`
[INFO] [stdout] b492977f42a576be42b06b1f02ea377d2080f67c4f3f1eb0f1ff685b9ecda35e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 3b74ba5065ec132eaed4aecf4113d24eeef08683a8aff6038e653e84f90d57de
[INFO] running `Command { std: "docker" "start" "-a" "3b74ba5065ec132eaed4aecf4113d24eeef08683a8aff6038e653e84f90d57de", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.43
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.43
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling weedle v0.8.0
[INFO] [stderr]     Checking kdtree v0.5.1
[INFO] [stderr]    Compiling env_logger v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.43
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.43
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling wasm-bindgen-webidl v0.2.43
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.43
[INFO] [stderr]    Compiling web-sys v0.3.20
[INFO] [stderr]     Checking js-sys v0.3.20
[INFO] [stderr]     Checking behaviours-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `log`
[INFO] [stdout]   --> src/lib.rs:16:14
[INFO] [stdout]    |
[INFO] [stdout] 16 | macro_rules! log {
[INFO] [stdout]    |              ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_macros)]` 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 7.65s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: nom v4.2.3, wasm-bindgen v0.2.43
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "3b74ba5065ec132eaed4aecf4113d24eeef08683a8aff6038e653e84f90d57de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b74ba5065ec132eaed4aecf4113d24eeef08683a8aff6038e653e84f90d57de", kill_on_drop: false }`
[INFO] [stdout] 3b74ba5065ec132eaed4aecf4113d24eeef08683a8aff6038e653e84f90d57de
[INFO] checking szymonkaliski/behaviours-rs against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fszymonkaliski%2Fbehaviours-rs" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/szymonkaliski/behaviours-rs 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/szymonkaliski/behaviours-rs
[INFO] finished tweaking git repo https://github.com/szymonkaliski/behaviours-rs
[INFO] tweaked toml for git repo https://github.com/szymonkaliski/behaviours-rs written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/szymonkaliski/behaviours-rs 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 683061ec49a8fff88afd6c5bdb748da54a1cad17a5a376a23ad0d073e0b83913
[INFO] running `Command { std: "docker" "start" "-a" "683061ec49a8fff88afd6c5bdb748da54a1cad17a5a376a23ad0d073e0b83913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "683061ec49a8fff88afd6c5bdb748da54a1cad17a5a376a23ad0d073e0b83913", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "683061ec49a8fff88afd6c5bdb748da54a1cad17a5a376a23ad0d073e0b83913", kill_on_drop: false }`
[INFO] [stdout] 683061ec49a8fff88afd6c5bdb748da54a1cad17a5a376a23ad0d073e0b83913
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] af552677007b3789bcb29be1e28c23317b283126e5be2383c31b5570e26f7806
[INFO] running `Command { std: "docker" "start" "-a" "af552677007b3789bcb29be1e28c23317b283126e5be2383c31b5570e26f7806", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.43
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling bumpalo v2.4.1
[INFO] [stderr]    Compiling cc v1.0.36
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling ryu v0.2.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.14
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling regex v1.1.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling serde v1.0.91
[INFO] [stderr]    Compiling regex-syntax v0.6.6
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bumpalo-2.4.1/src/collections/str/lossy.rs:78:45
[INFO] [stdout]    |
[INFO] [stdout] 78 |                   macro_rules! error { () => ({
[INFO] [stdout]    |  _____________________________________________^
[INFO] [stdout] 79 | |                     unsafe {
[INFO] [stdout] 80 | |                         let r = Utf8LossyChunk {
[INFO] [stdout] 81 | |                             valid: str::from_utf8_unchecked(&self.source[0..i_]),
[INFO] [stdout] ...  |
[INFO] [stdout] 86 | |                     }
[INFO] [stdout] 87 | |                 })}
[INFO] [stdout]    | |_________________^ cannot infer type
[INFO] [stdout] ...
[INFO] [stdout] 92 |                               error!();
[INFO] [stdout]    |                               -------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `error` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling wasm-bindgen v0.2.43
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling sourcefile v0.1.4
[INFO] [stderr]    Compiling num-traits v0.2.6
[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 `bumpalo` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "af552677007b3789bcb29be1e28c23317b283126e5be2383c31b5570e26f7806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af552677007b3789bcb29be1e28c23317b283126e5be2383c31b5570e26f7806", kill_on_drop: false }`
[INFO] [stdout] af552677007b3789bcb29be1e28c23317b283126e5be2383c31b5570e26f7806