[INFO] fetching crate the_book 0.1.0...
[INFO] checking the_book-0.1.0 against try#8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8 for pr-82565
[INFO] extracting crate the_book 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate the_book 0.1.0 on toolchain 8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate the_book 0.1.0
[INFO] finished tweaking crates.io crate the_book 0.1.0
[INFO] tweaked toml for crates.io crate the_book 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate the_book 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.67
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 41884dcaacdda42d72d52d5d6190eff57402ca61f9bb6e108fd5ef8144141ba5
[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" "41884dcaacdda42d72d52d5d6190eff57402ca61f9bb6e108fd5ef8144141ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "41884dcaacdda42d72d52d5d6190eff57402ca61f9bb6e108fd5ef8144141ba5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41884dcaacdda42d72d52d5d6190eff57402ca61f9bb6e108fd5ef8144141ba5", kill_on_drop: false }`
[INFO] [stdout] 41884dcaacdda42d72d52d5d6190eff57402ca61f9bb6e108fd5ef8144141ba5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+8e3afc79c11f48cb3acd1be5b3b7de98fe3f93a8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 25e76ebd517261f6542bfdd5c1fdf0b841a54bb6e6ca5e631d433c484ac3e9b5
[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" "25e76ebd517261f6542bfdd5c1fdf0b841a54bb6e6ca5e631d433c484ac3e9b5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.67
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking the_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-8-common-collections/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:45:6
[INFO] [stdout]    |
[INFO] [stdout] 45 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:52:6
[INFO] [stdout]    |
[INFO] [stdout] 52 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-6-enums-and-pattern-matching/main.rs:76:6
[INFO] [stdout]    |
[INFO] [stdout] 76 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:48:6
[INFO] [stdout]    |
[INFO] [stdout] 48 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:70:6
[INFO] [stdout]    |
[INFO] [stdout] 70 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:78:6
[INFO] [stdout]    |
[INFO] [stdout] 78 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]   --> src/bin/ch-10-generic-types-traits-lifetimes/main.rs:83:6
[INFO] [stdout]    |
[INFO] [stdout] 83 |     };
[INFO] [stdout]    |      ^ help: remove this semicolon
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]  --> src/bin/ch-5-using-struct-to-structure-related-data/main.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 |     };
[INFO] [stdout]   |      ^ help: remove this semicolon
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.08s
[INFO] running `Command { std: "docker" "inspect" "25e76ebd517261f6542bfdd5c1fdf0b841a54bb6e6ca5e631d433c484ac3e9b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "25e76ebd517261f6542bfdd5c1fdf0b841a54bb6e6ca5e631d433c484ac3e9b5", kill_on_drop: false }`
[INFO] [stdout] 25e76ebd517261f6542bfdd5c1fdf0b841a54bb6e6ca5e631d433c484ac3e9b5