[INFO] cloning repository https://github.com/voidwyrm-2/opaca
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/voidwyrm-2/opaca" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidwyrm-2%2Fopaca", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvoidwyrm-2%2Fopaca'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf9352cce368729acb221c5a03eabae2359be697
[INFO] checking voidwyrm-2/opaca 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%2Fvoidwyrm-2%2Fopaca" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/voidwyrm-2/opaca
[INFO] finished tweaking git repo https://github.com/voidwyrm-2/opaca
[INFO] tweaked toml for git repo https://github.com/voidwyrm-2/opaca written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/voidwyrm-2/opaca 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/voidwyrm-2/opaca 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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded anstyle-query v1.1.3
[INFO] [stderr]   Downloaded clap_derive v4.5.41
[INFO] [stderr]   Downloaded anstream v0.6.19
[INFO] [stderr]   Downloaded clap v4.5.41
[INFO] [stderr]   Downloaded anstyle-wincon v3.0.9
[INFO] [stderr]   Downloaded syn v2.0.104
[INFO] [stderr]   Downloaded clap_builder v4.5.41
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] cbafce58e78f556f8a7cb784744c103420c4e578dbb3f2fad1643cf67e45cd34
[INFO] running `Command { std: "docker" "start" "-a" "cbafce58e78f556f8a7cb784744c103420c4e578dbb3f2fad1643cf67e45cd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbafce58e78f556f8a7cb784744c103420c4e578dbb3f2fad1643cf67e45cd34", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbafce58e78f556f8a7cb784744c103420c4e578dbb3f2fad1643cf67e45cd34", kill_on_drop: false }`
[INFO] [stdout] cbafce58e78f556f8a7cb784744c103420c4e578dbb3f2fad1643cf67e45cd34
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 821bc4a908fd69a092cccb154186bdfe3a0c4166ab968f575a2ca43614feb0f8
[INFO] running `Command { std: "docker" "start" "-a" "821bc4a908fd69a092cccb154186bdfe3a0c4166ab968f575a2ca43614feb0f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]     Checking utf8parse v0.2.2
[INFO] [stderr]     Checking colorchoice v1.0.4
[INFO] [stderr]     Checking anstyle-query v1.1.3
[INFO] [stderr]     Checking anstyle v1.0.11
[INFO] [stderr]     Checking is_terminal_polyfill v1.70.1
[INFO] [stderr]     Checking strsim v0.11.1
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking clap_lex v0.7.5
[INFO] [stderr]     Checking anstyle-parse v0.2.7
[INFO] [stderr]     Checking anstream v0.6.19
[INFO] [stderr]     Checking clap_builder v4.5.41
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]    Compiling clap_derive v4.5.41
[INFO] [stderr]     Checking clap v4.5.41
[INFO] [stderr]     Checking opaca v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `PATH_SEP` is never used
[INFO] [stdout]  --> src/common.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_SEP: char = if std::cfg!(windows) { '\\' } else { '/' };
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pair` is never used
[INFO] [stdout]   --> src/common.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum Pair<T, U> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_string` and `is_pair_of` are never used
[INFO] [stdout]   --> src/grammar/lexer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl TokenType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_string(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn is_pair_of(&self, other: &TokenType) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PATH_SEP` is never used
[INFO] [stdout]  --> src/common.rs:7:11
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub const PATH_SEP: char = if std::cfg!(windows) { '\\' } else { '/' };
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Pair` is never used
[INFO] [stdout]   --> src/common.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum Pair<T, U> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get_string` and `is_pair_of` are never used
[INFO] [stdout]   --> src/grammar/lexer.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 55 | impl TokenType {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 60 |     pub fn get_string(&self) -> &String {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub fn is_pair_of(&self, other: &TokenType) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.51s
[INFO] running `Command { std: "docker" "inspect" "821bc4a908fd69a092cccb154186bdfe3a0c4166ab968f575a2ca43614feb0f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "821bc4a908fd69a092cccb154186bdfe3a0c4166ab968f575a2ca43614feb0f8", kill_on_drop: false }`
[INFO] [stdout] 821bc4a908fd69a092cccb154186bdfe3a0c4166ab968f575a2ca43614feb0f8