[INFO] fetching crate ctm 0.2.0...
[INFO] checking ctm-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate ctm 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate ctm 0.2.0
[INFO] finished tweaking crates.io crate ctm 0.2.0
[INFO] tweaked toml for crates.io crate ctm 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate ctm 0.2.0 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 crates.io crate ctm 0.2.0 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-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] 6110e89fcd3a8282f64aefe807f977314adbc617fe4b092829bcd722e9951316
[INFO] running `Command { std: "docker" "start" "-a" "6110e89fcd3a8282f64aefe807f977314adbc617fe4b092829bcd722e9951316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6110e89fcd3a8282f64aefe807f977314adbc617fe4b092829bcd722e9951316", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6110e89fcd3a8282f64aefe807f977314adbc617fe4b092829bcd722e9951316", kill_on_drop: false }`
[INFO] [stdout] 6110e89fcd3a8282f64aefe807f977314adbc617fe4b092829bcd722e9951316
[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] a5db541d33389583a73adc3e1203ffa049ac4ee265e064ef9d930668e36a2582
[INFO] running `Command { std: "docker" "start" "-a" "a5db541d33389583a73adc3e1203ffa049ac4ee265e064ef9d930668e36a2582", kill_on_drop: false }`
[INFO] [stderr]    Compiling foldhash v0.1.5
[INFO] [stderr]    Compiling semver v1.0.26
[INFO] [stderr]    Compiling allocator-api2 v0.2.21
[INFO] [stderr]    Compiling dyn-clone v1.0.19
[INFO] [stderr]    Compiling log v0.4.27
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling schemars v0.8.22
[INFO] [stderr]    Compiling prettyplease v0.2.31
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling regress v0.10.3
[INFO] [stderr]    Compiling serde_derive_internals v0.29.1
[INFO] [stderr]    Compiling serde_derive v1.0.219
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling schemars_derive v0.8.22
[INFO] [stderr]    Compiling serde v1.0.219
[INFO] [stderr]    Compiling serde_json v1.0.140
[INFO] [stderr]    Compiling serde_tokenstream v0.2.2
[INFO] [stderr]    Compiling typify-impl v0.3.0
[INFO] [stderr]    Compiling typify-macro v0.3.0
[INFO] [stderr]    Compiling typify v0.3.0
[INFO] [stderr]    Compiling ctm v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `elided_named_lifetimes` has been renamed to `mismatched_lifetime_syntaxes`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     elided_named_lifetimes
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `mismatched_lifetime_syntaxes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `elided_named_lifetimes` has been renamed to `mismatched_lifetime_syntaxes`
[INFO] [stdout]   --> src/lib.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     elided_named_lifetimes
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^ help: use the new name: `mismatched_lifetime_syntaxes`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> src/ctm.rs:9581:31
[INFO] [stdout]      |
[INFO] [stdout] 9581 |         } else if let Ok(v) = value.parse() {
[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/ctm.rs:9658:31
[INFO] [stdout]      |
[INFO] [stdout] 9658 |         } else if let Ok(v) = value.parse() {
[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/ctm.rs:9581:31
[INFO] [stdout]      |
[INFO] [stdout] 9581 |         } else if let Ok(v) = value.parse() {
[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 `ctm` (lib test) due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error: this type will no longer be must used: Result<std::string::String, Infallible>
[INFO] [stdout]     --> src/ctm.rs:9658:31
[INFO] [stdout]      |
[INFO] [stdout] 9658 |         } else if let Ok(v) = value.parse() {
[INFO] [stdout]      |                               ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: could not compile `ctm` (lib) due to 2 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "a5db541d33389583a73adc3e1203ffa049ac4ee265e064ef9d930668e36a2582", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5db541d33389583a73adc3e1203ffa049ac4ee265e064ef9d930668e36a2582", kill_on_drop: false }`
[INFO] [stdout] a5db541d33389583a73adc3e1203ffa049ac4ee265e064ef9d930668e36a2582