[INFO] fetching crate fast_symspell 0.1.4...
[INFO] testing fast_symspell-0.1.4 against 1.55.0 for beta-1.56-1
[INFO] extracting crate fast_symspell 0.1.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate fast_symspell 0.1.4 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 fast_symspell 0.1.4
[INFO] finished tweaking crates.io crate fast_symspell 0.1.4
[INFO] tweaked toml for crates.io crate fast_symspell 0.1.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate fast_symspell 0.1.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded triple_accel v0.3.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] ba165ea06781ff5248ef78675c081bc479c9ff529896a0ef366b43cc02b2f9a5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "ba165ea06781ff5248ef78675c081bc479c9ff529896a0ef366b43cc02b2f9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba165ea06781ff5248ef78675c081bc479c9ff529896a0ef366b43cc02b2f9a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba165ea06781ff5248ef78675c081bc479c9ff529896a0ef366b43cc02b2f9a5", kill_on_drop: false }`
[INFO] [stdout] ba165ea06781ff5248ef78675c081bc479c9ff529896a0ef366b43cc02b2f9a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 303b12e23a210f6ffff7a81a66d41177047c34b8a617bf31dfdfb4edff5bb8f9
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "303b12e23a210f6ffff7a81a66d41177047c34b8a617bf31dfdfb4edff5bb8f9", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling unidecode v0.3.0
[INFO] [stderr]    Compiling triple_accel v0.3.4
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling derive_builder_core v0.9.0
[INFO] [stderr]    Compiling derive_builder v0.9.0
[INFO] [stderr]    Compiling fast_symspell v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `AHasher`
[INFO] [stdout]  --> src/symspell.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ahash::{AHasher, RandomState};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.58s
[INFO] running `Command { std: "docker" "inspect" "303b12e23a210f6ffff7a81a66d41177047c34b8a617bf31dfdfb4edff5bb8f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "303b12e23a210f6ffff7a81a66d41177047c34b8a617bf31dfdfb4edff5bb8f9", kill_on_drop: false }`
[INFO] [stdout] 303b12e23a210f6ffff7a81a66d41177047c34b8a617bf31dfdfb4edff5bb8f9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 592d5ab1cdb17e116dd9d48980925580a27032a8660a002dc13558f689fa749f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "592d5ab1cdb17e116dd9d48980925580a27032a8660a002dc13558f689fa749f", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `AHasher`
[INFO] [stdout]  --> src/symspell.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ahash::{AHasher, RandomState};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling fast_symspell v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0463]: can't find crate for `symspell`
[INFO] [stdout]  --> examples/demo.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | extern crate symspell;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^ can't find crate
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0463`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fast_symspell` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `AHasher`
[INFO] [stdout]  --> src/symspell.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ahash::{AHasher, RandomState};
[INFO] [stdout]   |             ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "592d5ab1cdb17e116dd9d48980925580a27032a8660a002dc13558f689fa749f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "592d5ab1cdb17e116dd9d48980925580a27032a8660a002dc13558f689fa749f", kill_on_drop: false }`
[INFO] [stdout] 592d5ab1cdb17e116dd9d48980925580a27032a8660a002dc13558f689fa749f