[INFO] fetching crate vob 3.0.0...
[INFO] checking vob-3.0.0 against 1.55.0 for beta-1.56-3
[INFO] extracting crate vob 3.0.0 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate vob 3.0.0 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate vob 3.0.0
[INFO] finished tweaking crates.io crate vob 3.0.0
[INFO] tweaked toml for crates.io crate vob 3.0.0 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_pcg v0.3.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9053ac4ec86d9e350fbd302177176053793517d21b18c6cdb03ce420ced6113
[INFO] running `Command { std: "docker" "start" "-a" "b9053ac4ec86d9e350fbd302177176053793517d21b18c6cdb03ce420ced6113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9053ac4ec86d9e350fbd302177176053793517d21b18c6cdb03ce420ced6113", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9053ac4ec86d9e350fbd302177176053793517d21b18c6cdb03ce420ced6113", kill_on_drop: false }`
[INFO] [stdout] b9053ac4ec86d9e350fbd302177176053793517d21b18c6cdb03ce420ced6113
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ab1f4cca7737b4232da421681828f45a707e3f553065caa99f7b2645476071b
[INFO] running `Command { std: "docker" "start" "-a" "5ab1f4cca7737b4232da421681828f45a707e3f553065caa99f7b2645476071b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.104
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_pcg v0.3.1
[INFO] [stderr]    Compiling vob v3.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> benches/vob.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/vob.rs:131:28
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let a = Vob::from_elem(N, true);
[INFO] [stdout]     |                            ^ expected `bool`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/vob.rs:131:31
[INFO] [stdout]     |
[INFO] [stdout] 131 |     let a = Vob::from_elem(N, true);
[INFO] [stdout]     |                               ^^^^ expected `usize`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/vob.rs:137:28
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let a = Vob::from_elem(N, true);
[INFO] [stdout]     |                            ^ expected `bool`, found `usize`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> benches/vob.rs:137:31
[INFO] [stdout]     |
[INFO] [stdout] 137 |     let a = Vob::from_elem(N, true);
[INFO] [stdout]     |                               ^^^^ expected `usize`, found `bool`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vob` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "5ab1f4cca7737b4232da421681828f45a707e3f553065caa99f7b2645476071b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ab1f4cca7737b4232da421681828f45a707e3f553065caa99f7b2645476071b", kill_on_drop: false }`
[INFO] [stdout] 5ab1f4cca7737b4232da421681828f45a707e3f553065caa99f7b2645476071b
