[INFO] fetching crate fixed_len_str 0.3.3...
[INFO] checking fixed_len_str-0.3.3 against 1.55.0 for beta-1.56-3
[INFO] extracting crate fixed_len_str 0.3.3 into /workspace/builds/worker-110/source
[INFO] validating manifest of crates.io crate fixed_len_str 0.3.3 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 fixed_len_str 0.3.3
[INFO] finished tweaking crates.io crate fixed_len_str 0.3.3
[INFO] tweaked toml for crates.io crate fixed_len_str 0.3.3 written to /workspace/builds/worker-110/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] 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] cdadb5740d0176a80ab18cd165db9ff96dcb58a6a813b316d1c7974024dd1387
[INFO] running `Command { std: "docker" "start" "-a" "cdadb5740d0176a80ab18cd165db9ff96dcb58a6a813b316d1c7974024dd1387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdadb5740d0176a80ab18cd165db9ff96dcb58a6a813b316d1c7974024dd1387", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdadb5740d0176a80ab18cd165db9ff96dcb58a6a813b316d1c7974024dd1387", kill_on_drop: false }`
[INFO] [stdout] cdadb5740d0176a80ab18cd165db9ff96dcb58a6a813b316d1c7974024dd1387
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-110/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] cdb7f43db3b658dd149388480dfc4ebb39ecd768a3fe4b19c87df3f762aed197
[INFO] running `Command { std: "docker" "start" "-a" "cdb7f43db3b658dd149388480dfc4ebb39ecd768a3fe4b19c87df3f762aed197", kill_on_drop: false }`
[INFO] [stderr]    Compiling fixed_len_str v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `fixed_str_nz3::Closure`
[INFO] [stdout]  --> tests/a.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use fixed_str_nz3::Closure;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^ no `Closure` in `fixed_str_nz3`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> tests/a.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(pattern)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fixed_len_str` due to 3 previous errors
[INFO] running `Command { std: "docker" "inspect" "cdb7f43db3b658dd149388480dfc4ebb39ecd768a3fe4b19c87df3f762aed197", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdb7f43db3b658dd149388480dfc4ebb39ecd768a3fe4b19c87df3f762aed197", kill_on_drop: false }`
[INFO] [stdout] cdb7f43db3b658dd149388480dfc4ebb39ecd768a3fe4b19c87df3f762aed197
