[INFO] cloning repository https://github.com/xfix/advent-of-code-2020 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/xfix/advent-of-code-2020" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfix%2Fadvent-of-code-2020", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fxfix%2Fadvent-of-code-2020'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76d97bd61be531a4f8433e7111e9ebea075e8a33 [INFO] checking xfix/advent-of-code-2020 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%2Fxfix%2Fadvent-of-code-2020" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/xfix/advent-of-code-2020 [INFO] finished tweaking git repo https://github.com/xfix/advent-of-code-2020 [INFO] tweaked toml for git repo https://github.com/xfix/advent-of-code-2020 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/xfix/advent-of-code-2020 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/xfix/advent-of-code-2020 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] fee38cd499db4c1cb3598f77958e88291ccb0d85a49a85802ed5f9ecba4ac829 [INFO] running `Command { std: "docker" "start" "-a" "fee38cd499db4c1cb3598f77958e88291ccb0d85a49a85802ed5f9ecba4ac829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fee38cd499db4c1cb3598f77958e88291ccb0d85a49a85802ed5f9ecba4ac829", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fee38cd499db4c1cb3598f77958e88291ccb0d85a49a85802ed5f9ecba4ac829", kill_on_drop: false }` [INFO] [stdout] fee38cd499db4c1cb3598f77958e88291ccb0d85a49a85802ed5f9ecba4ac829 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 04319c81df8f63fb22ff39a06918dbd2d571acc2315b1f2855fb9653723b4f06 [INFO] running `Command { std: "docker" "start" "-a" "04319c81df8f63fb22ff39a06918dbd2d571acc2315b1f2855fb9653723b4f06", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling proc-macro2 v1.0.29 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling syn v1.0.76 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling radium v0.5.3 [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Checking once_cell v1.15.0 [INFO] [stderr] Compiling indexmap v1.9.1 [INFO] [stderr] Compiling nom v6.2.1 [INFO] [stderr] Checking os_str_bytes v6.3.0 [INFO] [stderr] Checking lexical-core v0.7.6 [INFO] [stderr] Checking textwrap v0.15.1 [INFO] [stderr] Checking num-complex v0.3.1 [INFO] [stderr] Checking clap_lex v0.2.4 [INFO] [stderr] Checking thread_local v1.1.4 [INFO] [stderr] Checking bitvec v0.19.5 [INFO] [stderr] Compiling jobserver v0.1.24 [INFO] [stderr] Compiling cc v1.0.70 [INFO] [stderr] Compiling quote v1.0.9 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling pcre2-sys v0.2.5 [INFO] [stderr] Checking pcre2 v0.2.3 [INFO] [stderr] Compiling clap_derive v3.2.18 [INFO] [stderr] Checking clap v3.2.22 [INFO] [stderr] Checking advent-of-code-2020 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "advent-of-code-2020") due to 1 previous error; 1 warning emitted [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | input: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day16/mod.rs:29:64 [INFO] [stdout] | [INFO] [stdout] 29 | fn parse(input: &'a str) -> Result> { [INFO] [stdout] | -- the lifetime is named here ^^^^ the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 29 | fn parse(input: &'a str) -> Result> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/main.rs:62:5 [INFO] [stdout] | [INFO] [stdout] 62 | input: Option, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: eliding a lifetime that's named elsewhere is confusing [INFO] [stdout] --> src/day16/mod.rs:29:64 [INFO] [stdout] | [INFO] [stdout] 29 | fn parse(input: &'a str) -> Result> { [INFO] [stdout] | -- the lifetime is named here ^^^^ the same lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: consistently use `'a` [INFO] [stdout] | [INFO] [stdout] 29 | fn parse(input: &'a str) -> Result> { [INFO] [stdout] | ++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `advent-of-code-2020` (bin "advent-of-code-2020" test) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "04319c81df8f63fb22ff39a06918dbd2d571acc2315b1f2855fb9653723b4f06", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04319c81df8f63fb22ff39a06918dbd2d571acc2315b1f2855fb9653723b4f06", kill_on_drop: false }` [INFO] [stdout] 04319c81df8f63fb22ff39a06918dbd2d571acc2315b1f2855fb9653723b4f06