[INFO] cloning repository https://github.com/dantarian/adventofcode2019
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dantarian/adventofcode2019" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantarian%2Fadventofcode2019", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantarian%2Fadventofcode2019'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d924f025928aa46dca3dd27abaf7bd0a4bfccc7c
[INFO] checking dantarian/adventofcode2019 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdantarian%2Fadventofcode2019" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dantarian/adventofcode2019
[INFO] finished tweaking git repo https://github.com/dantarian/adventofcode2019
[INFO] tweaked toml for git repo https://github.com/dantarian/adventofcode2019 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dantarian/adventofcode2019 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dantarian/adventofcode2019 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 50aebc0a8e5e209394993001299fc7dc1e6cddc12f48599a54c5ee763a0d3101
[INFO] running `Command { std: "docker" "start" "-a" "50aebc0a8e5e209394993001299fc7dc1e6cddc12f48599a54c5ee763a0d3101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "50aebc0a8e5e209394993001299fc7dc1e6cddc12f48599a54c5ee763a0d3101", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50aebc0a8e5e209394993001299fc7dc1e6cddc12f48599a54c5ee763a0d3101", kill_on_drop: false }`
[INFO] [stdout] 50aebc0a8e5e209394993001299fc7dc1e6cddc12f48599a54c5ee763a0d3101
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f81ae65e1399efac8862863b7ddd3d64b1aeaa159d1d34e9704403afac45f28
[INFO] running `Command { std: "docker" "start" "-a" "6f81ae65e1399efac8862863b7ddd3d64b1aeaa159d1d34e9704403afac45f28", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking ppv-lite86 v0.2.6
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking assert_approx_eq v1.1.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking gag v0.1.10
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling serial_test_derive v0.3.2
[INFO] [stderr]     Checking serial_test v0.3.2
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking adventofcode2019 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /// The name of the file to be used for input.
[INFO] [stdout] 21 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         /// The name of the file to be used for input.
[INFO] [stdout] 27 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         /// The name of the file to be used for input.
[INFO] [stdout] 33 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         /// The name of the file to be used for input.
[INFO] [stdout] 47 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         /// The name of the file to be used for input.
[INFO] [stdout] 53 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         /// The name of the file to be used for inuput.
[INFO] [stdout] 59 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | /         /// The name of the file to be used for input.
[INFO] [stdout] 65 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         /// The name of the file to be used for input.
[INFO] [stdout] 71 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         /// The name of the file to be used for input.
[INFO] [stdout] 77 | |         filename: PathBuf,        
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/day10.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let bits: u64 = unsafe { mem::transmute(val) };
[INFO] [stdout]    |                              --------------^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: replace this with: `f64::to_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2019` (lib) due to 9 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 20 | /         /// The name of the file to be used for input.
[INFO] [stdout] 21 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 26 | /         /// The name of the file to be used for input.
[INFO] [stdout] 27 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:32:9
[INFO] [stdout]    |
[INFO] [stdout] 32 | /         /// The name of the file to be used for input.
[INFO] [stdout] 33 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:46:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | /         /// The name of the file to be used for input.
[INFO] [stdout] 47 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 | /         /// The name of the file to be used for input.
[INFO] [stdout] 53 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:58:9
[INFO] [stdout]    |
[INFO] [stdout] 58 | /         /// The name of the file to be used for inuput.
[INFO] [stdout] 59 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | /         /// The name of the file to be used for input.
[INFO] [stdout] 65 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 | /         /// The name of the file to be used for input.
[INFO] [stdout] 71 | |         filename: PathBuf,
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/options.rs:76:9
[INFO] [stdout]    |
[INFO] [stdout] 76 | /         /// The name of the file to be used for input.
[INFO] [stdout] 77 | |         filename: PathBuf,        
[INFO] [stdout]    | |_________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary transmute
[INFO] [stdout]   --> src/day10.rs:69:30
[INFO] [stdout]    |
[INFO] [stdout] 69 |     let bits: u64 = unsafe { mem::transmute(val) };
[INFO] [stdout]    |                              --------------^^^^^
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              help: replace this with: `f64::to_bits`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unnecessary_transmutes)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `adventofcode2019` (lib test) due to 9 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "6f81ae65e1399efac8862863b7ddd3d64b1aeaa159d1d34e9704403afac45f28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f81ae65e1399efac8862863b7ddd3d64b1aeaa159d1d34e9704403afac45f28", kill_on_drop: false }`
[INFO] [stdout] 6f81ae65e1399efac8862863b7ddd3d64b1aeaa159d1d34e9704403afac45f28
