[INFO] cloning repository https://github.com/apoelstra/rsgit
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/apoelstra/rsgit" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Frsgit", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fapoelstra%2Frsgit'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9a19f3342fc466622de5d052d418a93a1510bfab
[INFO] checking apoelstra/rsgit 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%2Fapoelstra%2Frsgit" "/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/apoelstra/rsgit
[INFO] finished tweaking git repo https://github.com/apoelstra/rsgit
[INFO] tweaked toml for git repo https://github.com/apoelstra/rsgit written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/apoelstra/rsgit 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/apoelstra/rsgit 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] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `git2` dependency)
[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] b8fb1e34b5f009f1d18c604c8eb7dd0fafe4ea32a3e094d025bd4c77603cf2b8
[INFO] running `Command { std: "docker" "start" "-a" "b8fb1e34b5f009f1d18c604c8eb7dd0fafe4ea32a3e094d025bd4c77603cf2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b8fb1e34b5f009f1d18c604c8eb7dd0fafe4ea32a3e094d025bd4c77603cf2b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8fb1e34b5f009f1d18c604c8eb7dd0fafe4ea32a3e094d025bd4c77603cf2b8", kill_on_drop: false }`
[INFO] [stdout] b8fb1e34b5f009f1d18c604c8eb7dd0fafe4ea32a3e094d025bd4c77603cf2b8
[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] b5c57f7feace3f0abe011676405c422cbec7c902d9990c6f0a052dd31facb1ff
[INFO] running `Command { std: "docker" "start" "-a" "b5c57f7feace3f0abe011676405c422cbec7c902d9990c6f0a052dd31facb1ff", kill_on_drop: false }`
[INFO] [stderr] warning: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `git2` dependency)
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling crossbeam-utils v0.8.11
[INFO] [stderr]     Checking once_cell v1.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.10
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]     Checking unicode-bidi v0.3.8
[INFO] [stderr]     Checking form_urlencoded v1.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking gimli v0.26.2
[INFO] [stderr]     Checking miniz_oxide v0.5.4
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking fastrand v1.8.0
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]     Checking either v1.8.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking subprocess v0.2.9
[INFO] [stderr]     Checking tempfile v3.3.0
[INFO] [stderr]     Checking idna v0.3.0
[INFO] [stderr]     Checking object v0.29.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.6
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking crossbeam-deque v0.8.2
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]     Checking rayon-core v1.9.3
[INFO] [stderr]     Checking url v2.3.1
[INFO] [stderr]     Checking rayon v1.5.3
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling backtrace v0.3.66
[INFO] [stderr]     Checking addr2line v0.17.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking structopt v0.3.26
[INFO] [stderr]     Checking git2 v0.13.25
[INFO] [stderr]     Checking toml v0.5.9
[INFO] [stderr]     Checking git-utils v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `git-utils` (bin "label-pr" test) due to 1 previous error
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/label-pr.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// The repository to tag PRs in
[INFO] [stdout] 35 | |     #[structopt(short = "r", long = "repo", default_value = ".")]
[INFO] [stdout] 36 | |     repo: String,
[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] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/label-pr.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | /     /// The repository to tag PRs in
[INFO] [stdout] 35 | |     #[structopt(short = "r", long = "repo", default_value = ".")]
[INFO] [stdout] 36 | |     repo: String,
[INFO] [stdout]    | |________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `git-utils` (bin "label-pr") due to 1 previous error
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/git.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RepoRef<'a>(&'a ());
[INFO] [stdout]    |            -------     ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/pr.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PullRequest {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 25 |     /// Number of the PR on Github/Gitlab
[INFO] [stdout] 26 |     pub number: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Repository to read
[INFO] [stdout] 38 | |     #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 39 | |     repo: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// The tip of the PR to check
[INFO] [stdout] 41 | |     #[structopt(short, long)]
[INFO] [stdout] 42 | |     tip: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     /// The "master" branch the PR was forked from
[INFO] [stdout] 44 | |     #[structopt(short, long, default_value = "master")]
[INFO] [stdout] 45 | |     master: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// The actual check to do
[INFO] [stdout] 51 | |     #[structopt(name = "CHECK")]
[INFO] [stdout] 52 | |     check: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/git.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn path(&self) -> Cow<str> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn path(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `git-utils` (bin "check-pr") due to 4 previous errors; 3 warnings emitted
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/git.rs:25:24
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct RepoRef<'a>(&'a ());
[INFO] [stdout]    |            -------     ^^^^^^
[INFO] [stdout]    |            |
[INFO] [stdout]    |            field in this struct
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider removing this field
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `number` is never read
[INFO] [stdout]   --> src/pr.rs:26:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub struct PullRequest {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] 25 |     /// Number of the PR on Github/Gitlab
[INFO] [stdout] 26 |     pub number: usize,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:37:5
[INFO] [stdout]    |
[INFO] [stdout] 37 | /     /// Repository to read
[INFO] [stdout] 38 | |     #[structopt(short, long, default_value = ".")]
[INFO] [stdout] 39 | |     repo: String,
[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<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | /     /// The tip of the PR to check
[INFO] [stdout] 41 | |     #[structopt(short, long)]
[INFO] [stdout] 42 | |     tip: String,
[INFO] [stdout]    | |_______________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:43:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | /     /// The "master" branch the PR was forked from
[INFO] [stdout] 44 | |     #[structopt(short, long, default_value = "master")]
[INFO] [stdout] 45 | |     master: String,
[INFO] [stdout]    | |__________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]   --> src/check-pr.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | /     /// The actual check to do
[INFO] [stdout] 51 | |     #[structopt(name = "CHECK")]
[INFO] [stdout] 52 | |     check: String,
[INFO] [stdout]    | |_________________^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/git.rs:154:17
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn path(&self) -> Cow<str> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the 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: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 154 |     pub fn path(&self) -> Cow<'_, str> {
[INFO] [stdout]     |                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `git-utils` (bin "check-pr" test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "b5c57f7feace3f0abe011676405c422cbec7c902d9990c6f0a052dd31facb1ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5c57f7feace3f0abe011676405c422cbec7c902d9990c6f0a052dd31facb1ff", kill_on_drop: false }`
[INFO] [stdout] b5c57f7feace3f0abe011676405c422cbec7c902d9990c6f0a052dd31facb1ff
