[INFO] cloning repository https://github.com/rob-b/spr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rob-b/spr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frob-b%2Fspr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frob-b%2Fspr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27e050c554a775b840f0cf733ab6a2e57887aa91
[INFO] checking rob-b/spr 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%2Frob-b%2Fspr" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rob-b/spr
[INFO] finished tweaking git repo https://github.com/rob-b/spr
[INFO] tweaked toml for git repo https://github.com/rob-b/spr written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rob-b/spr 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/rob-b/spr 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: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 19c1e0d94d70ad4f06003cf51078a0a30354f54484fda4d8f036636986354bee
[INFO] running `Command { std: "docker" "start" "-a" "19c1e0d94d70ad4f06003cf51078a0a30354f54484fda4d8f036636986354bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "19c1e0d94d70ad4f06003cf51078a0a30354f54484fda4d8f036636986354bee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19c1e0d94d70ad4f06003cf51078a0a30354f54484fda4d8f036636986354bee", kill_on_drop: false }`
[INFO] [stdout] 19c1e0d94d70ad4f06003cf51078a0a30354f54484fda4d8f036636986354bee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 528dc13908b347d1d56c78c13dd6db4660db6f685cd2e8f5e87cf0a186066e61
[INFO] running `Command { std: "docker" "start" "-a" "528dc13908b347d1d56c78c13dd6db4660db6f685cd2e8f5e87cf0a186066e61", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr]   |
[INFO] [stderr]   = note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr]   = note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr]   = note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking futures-io v0.3.31
[INFO] [stderr]    Compiling rustix v1.0.5
[INFO] [stderr]     Checking bitflags v2.9.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]     Checking tracing-core v0.1.33
[INFO] [stderr]    Compiling rustls v0.21.12
[INFO] [stderr]     Checking unicode-bidi v0.3.18
[INFO] [stderr]     Checking indexmap v2.9.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling zerocopy v0.8.24
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling time-core v0.1.4
[INFO] [stderr]    Compiling object v0.36.7
[INFO] [stderr]     Checking deranged v0.4.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling time-macros v0.2.22
[INFO] [stderr]     Checking gimli v0.31.1
[INFO] [stderr]    Compiling rustix v0.37.28
[INFO] [stderr]     Checking http v0.2.12
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing v0.1.41
[INFO] [stderr]    Compiling combine v4.6.7
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking miniz_oxide v0.8.8
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling hyperx v1.4.0
[INFO] [stderr]     Checking http-body v0.4.6
[INFO] [stderr]     Checking zeroize v1.8.1
[INFO] [stderr]     Checking either v1.15.0
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking signal-hook-registry v1.4.5
[INFO] [stderr]     Checking socket2 v0.5.9
[INFO] [stderr]     Checking mio v1.0.3
[INFO] [stderr]     Checking io-lifetimes v1.0.11
[INFO] [stderr]     Checking getrandom v0.3.2
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking language-tags v0.3.2
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]     Checking time v0.3.41
[INFO] [stderr]     Checking secrecy v0.8.0
[INFO] [stderr]     Checking itertools v0.14.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking bstr v1.12.0
[INFO] [stderr]     Checking shlex v1.3.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking unicode-linebreak v0.1.5
[INFO] [stderr]    Compiling jobserver v0.1.33
[INFO] [stderr]     Checking terminal_size v0.2.6
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking terminal_size v0.4.2
[INFO] [stderr]     Checking tempfile v3.19.1
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[INFO] [stderr]     Checking which v7.0.3
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[INFO] [stderr]     Checking rand_chacha v0.3.1
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[INFO] [stderr]     Checking arc-swap v1.7.1
[INFO] [stderr]    Compiling cc v1.2.19
[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking dialoguer v0.10.4
[INFO] [stderr]     Checking textwrap v0.15.2
[INFO] [stderr]     Checking futures-lite v1.13.0
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling indoc v1.0.9
[INFO] [stderr]     Checking strum v0.26.3
[INFO] [stderr]     Checking addr2line v0.24.2
[INFO] [stderr]    Compiling ring v0.17.14
[INFO] [stderr]    Compiling libz-sys v1.1.22
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling libgit2-sys v0.15.2+1.6.4
[INFO] [stderr]    Compiling snafu-derive v0.7.5
[INFO] [stderr]    Compiling lazy-regex-proc_macros v2.4.1
[INFO] [stderr]    Compiling clap_derive v3.2.25
[INFO] [stderr]     Checking backtrace v0.3.74
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling futures-macro v0.3.31
[INFO] [stderr]    Compiling tokio-macros v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling async-trait v0.1.88
[INFO] [stderr]    Compiling strum_macros v0.26.4
[INFO] [stderr]     Checking futures-util v0.3.31
[INFO] [stderr]     Checking tokio v1.43.1
[INFO] [stderr]     Checking lazy-regex v2.5.0
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]     Checking simple_asn1 v0.6.3
[INFO] [stderr]     Checking clap v3.2.25
[INFO] [stderr]     Checking snafu v0.7.5
[INFO] [stderr]     Checking serde v1.0.219
[INFO] [stderr]     Checking rustls-webpki v0.101.7
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling graphql-parser v0.4.1
[INFO] [stderr]     Checking futures-executor v0.3.31
[INFO] [stderr]     Checking futures v0.3.31
[INFO] [stderr]     Checking tokio-util v0.7.13
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.26
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking url v2.3.0
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking chrono v0.4.40
[INFO] [stderr]     Checking serde_path_to_error v0.1.17
[INFO] [stderr]    Compiling graphql-introspection-query v0.2.0
[INFO] [stderr]     Checking git2 v0.17.2
[INFO] [stderr]     Checking jsonwebtoken v8.3.0
[INFO] [stderr]    Compiling graphql_client_codegen v0.11.0
[INFO] [stderr]     Checking hyper v0.14.32
[INFO] [stderr]     Checking git2-ext v0.6.3
[INFO] [stderr]    Compiling graphql_query_derive v0.11.0
[INFO] [stderr]     Checking hyper-rustls v0.24.2
[INFO] [stderr]     Checking graphql_client v0.11.0
[INFO] [stderr]     Checking reqwest v0.11.27
[INFO] [stderr]     Checking octocrab v0.16.0
[INFO] [stderr]     Checking spr v1.3.5-beta.1 (/opt/rustwide/workdir/spr)
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> spr/src/commands/diff.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     message: Option<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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> spr/src/commands/patch.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     branch_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> spr/src/git.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn repo(&self) -> std::sync::MutexGuard<git2::Repository> {
[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] 44 |     pub fn repo(&self) -> std::sync::MutexGuard<'_, git2::Repository> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> spr/src/git.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn hooks(&self) -> std::sync::MutexGuard<git2_ext::hooks::Hooks> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn hooks(&self) -> std::sync::MutexGuard<'_, git2_ext::hooks::Hooks> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> spr/src/commit_message.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     drop(child_stdin);
[INFO] [stdout]     |     ^^^^^-----------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut std::process::ChildStdin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 138 -     drop(child_stdin);
[INFO] [stdout] 138 +     let _ = child_stdin;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> spr/src/commands/diff.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 |     message: Option<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: std::result::Result<std::string::String, Infallible>
[INFO] [stdout]   --> spr/src/commands/patch.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     branch_name: Option<String>,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> spr/src/git.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     pub fn repo(&self) -> std::sync::MutexGuard<git2::Repository> {
[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] 44 |     pub fn repo(&self) -> std::sync::MutexGuard<'_, git2::Repository> {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> spr/src/git.rs:48:14
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn hooks(&self) -> std::sync::MutexGuard<git2_ext::hooks::Hooks> {
[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] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn hooks(&self) -> std::sync::MutexGuard<'_, git2_ext::hooks::Hooks> {
[INFO] [stdout]    |                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: calls to `std::mem::drop` with a reference instead of an owned value does nothing
[INFO] [stdout]    --> spr/src/commit_message.rs:138:5
[INFO] [stdout]     |
[INFO] [stdout] 138 |     drop(child_stdin);
[INFO] [stdout]     |     ^^^^^-----------^
[INFO] [stdout]     |          |
[INFO] [stdout]     |          argument has type `&mut std::process::ChildStdin`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dropping_references)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the expression or result
[INFO] [stdout]     |
[INFO] [stdout] 138 -     drop(child_stdin);
[INFO] [stdout] 138 +     let _ = child_stdin;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `spr` (lib) due to 2 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `spr` (lib test) due to 2 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "528dc13908b347d1d56c78c13dd6db4660db6f685cd2e8f5e87cf0a186066e61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "528dc13908b347d1d56c78c13dd6db4660db6f685cd2e8f5e87cf0a186066e61", kill_on_drop: false }`
[INFO] [stdout] 528dc13908b347d1d56c78c13dd6db4660db6f685cd2e8f5e87cf0a186066e61
