[INFO] cloning repository https://github.com/kosayoda/fizzy
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kosayoda/fizzy" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkosayoda%2Ffizzy", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkosayoda%2Ffizzy'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 222da65af235d04f2826b2ddbee67fa69ed4aca1
[INFO] checking kosayoda/fizzy 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%2Fkosayoda%2Ffizzy" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kosayoda/fizzy
[INFO] finished tweaking git repo https://github.com/kosayoda/fizzy
[INFO] tweaked toml for git repo https://github.com/kosayoda/fizzy written to /workspace/builds/worker-1-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kosayoda/fizzy 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/kosayoda/fizzy 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] b6df57f8285b665d013c010abf759c717ffaa9a4b8d6b6a8344a4a8e57fe0204
[INFO] running `Command { std: "docker" "start" "-a" "b6df57f8285b665d013c010abf759c717ffaa9a4b8d6b6a8344a4a8e57fe0204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6df57f8285b665d013c010abf759c717ffaa9a4b8d6b6a8344a4a8e57fe0204", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6df57f8285b665d013c010abf759c717ffaa9a4b8d6b6a8344a4a8e57fe0204", kill_on_drop: false }`
[INFO] [stdout] b6df57f8285b665d013c010abf759c717ffaa9a4b8d6b6a8344a4a8e57fe0204
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 8be4b44503b3f04b104caa518723e809634af923d408019a5ac2e154d6920fd4
[INFO] running `Command { std: "docker" "start" "-a" "8be4b44503b3f04b104caa518723e809634af923d408019a5ac2e154d6920fd4", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling regex-syntax v0.6.26
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling indexmap v1.8.2
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking os_str_bytes v6.1.0
[INFO] [stderr]    Compiling inkwell v0.1.0 (https://github.com/TheDan64/inkwell?branch=master#02fb7045)
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking yansi v0.5.1
[INFO] [stderr]     Checking once_cell v1.12.0
[INFO] [stderr]     Checking diff v0.1.12
[INFO] [stderr]     Checking pretty_assertions v1.2.0
[INFO] [stderr]     Checking ariadne v0.1.5
[INFO] [stderr]     Checking clap_lex v0.2.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking parking_lot_core v0.9.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]     Checking chumsky v0.8.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling regex v1.5.6
[INFO] [stderr]    Compiling llvm-sys v130.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling inkwell_internals v0.5.0 (https://github.com/TheDan64/inkwell?branch=master#02fb7045)
[INFO] [stderr]    Compiling clap_derive v3.1.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking clap v3.1.18
[INFO] [stderr]     Checking fizzy v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// The fizzylang source code.
[INFO] [stdout] 17 | |     /// See: 'sample.fizz'
[INFO] [stdout] 18 | |     source: 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/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// The name of the object file to output.
[INFO] [stdout] 20 | |     /// Defaults to 'output.o'
[INFO] [stdout] 21 | |     #[clap(short, long)]
[INFO] [stdout] 22 | |     output: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<PathBuf, Infallible>
[INFO] [stdout]   --> src/main.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | /     /// The fizzylang source code.
[INFO] [stdout] 17 | |     /// See: 'sample.fizz'
[INFO] [stdout] 18 | |     source: 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/main.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     /// The name of the object file to output.
[INFO] [stdout] 20 | |     /// Defaults to 'output.o'
[INFO] [stdout] 21 | |     #[clap(short, long)]
[INFO] [stdout] 22 | |     output: Option<PathBuf>,
[INFO] [stdout]    | |___________________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fizzy` (bin "fizzy" test) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `fizzy` (bin "fizzy") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "8be4b44503b3f04b104caa518723e809634af923d408019a5ac2e154d6920fd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8be4b44503b3f04b104caa518723e809634af923d408019a5ac2e154d6920fd4", kill_on_drop: false }`
[INFO] [stdout] 8be4b44503b3f04b104caa518723e809634af923d408019a5ac2e154d6920fd4