[INFO] fetching crate credent_fs_model 0.4.1... [INFO] checking credent_fs_model-0.4.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate credent_fs_model 0.4.1 into /workspace/builds/worker-6-tc2/source [INFO] started tweaking crates.io crate credent_fs_model 0.4.1 [INFO] finished tweaking crates.io crate credent_fs_model 0.4.1 [INFO] tweaked toml for crates.io crate credent_fs_model 0.4.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate credent_fs_model 0.4.1 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 9 packages to latest compatible versions [INFO] [stderr] Adding toml v0.5.11 (available: v0.9.8) [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] a5783f7ea7da481d4b0212e054f0a215f50745442e3e777b12dfd9da7ee42cdb [INFO] running `Command { std: "docker" "start" "-a" "a5783f7ea7da481d4b0212e054f0a215f50745442e3e777b12dfd9da7ee42cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a5783f7ea7da481d4b0212e054f0a215f50745442e3e777b12dfd9da7ee42cdb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a5783f7ea7da481d4b0212e054f0a215f50745442e3e777b12dfd9da7ee42cdb", kill_on_drop: false }` [INFO] [stdout] a5783f7ea7da481d4b0212e054f0a215f50745442e3e777b12dfd9da7ee42cdb [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] f7fd1d84d570a0b5925f1a0d74f0ca600a54b49fe3f72a0a173b676a6b73fe81 [INFO] running `Command { std: "docker" "start" "-a" "f7fd1d84d570a0b5925f1a0d74f0ca600a54b49fe3f72a0a173b676a6b73fe81", kill_on_drop: false }` [INFO] [stderr] Checking toml v0.5.11 [INFO] [stderr] Checking credent_model v0.4.1 [INFO] [stderr] Checking credent_fs_model v0.4.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/app_name.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/app_name.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | fn try_from(s: &str) -> Result { [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] 35 | fn try_from(s: &str) -> Result, Infallible> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unexpected `cfg` condition value: `serde` [INFO] [stdout] --> src/app_name.rs:8:12 [INFO] [stdout] | [INFO] [stdout] 8 | #[cfg_attr(feature = "serde", derive(serde::Deserialize, serde::Serialize))] [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ help: remove the condition [INFO] [stdout] | [INFO] [stdout] = note: no expected values for `feature` [INFO] [stdout] = help: consider adding `serde` as a feature in `Cargo.toml` [INFO] [stdout] = note: see for more information about checking conditional configuration [INFO] [stdout] = note: `#[warn(unexpected_cfgs)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/app_name.rs:35:57 [INFO] [stdout] | [INFO] [stdout] 35 | fn try_from(s: &str) -> Result { [INFO] [stdout] | _________________________________________________________^ [INFO] [stdout] 36 | | Ok(AppName(s)) [INFO] [stdout] 37 | | } [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, Infallible> [INFO] [stdout] --> src/app_name.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | Ok(AppName(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `credent_fs_model` (lib test) due to 2 previous errors; 2 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/app_name.rs:35:20 [INFO] [stdout] | [INFO] [stdout] 35 | fn try_from(s: &str) -> Result { [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] 35 | fn try_from(s: &str) -> Result, Infallible> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result, Infallible> [INFO] [stdout] --> src/app_name.rs:35:57 [INFO] [stdout] | [INFO] [stdout] 35 | fn try_from(s: &str) -> Result { [INFO] [stdout] | _________________________________________________________^ [INFO] [stdout] 36 | | Ok(AppName(s)) [INFO] [stdout] 37 | | } [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, Infallible> [INFO] [stdout] --> src/app_name.rs:36:9 [INFO] [stdout] | [INFO] [stdout] 36 | Ok(AppName(s)) [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `credent_fs_model` (lib) due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "f7fd1d84d570a0b5925f1a0d74f0ca600a54b49fe3f72a0a173b676a6b73fe81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f7fd1d84d570a0b5925f1a0d74f0ca600a54b49fe3f72a0a173b676a6b73fe81", kill_on_drop: false }` [INFO] [stdout] f7fd1d84d570a0b5925f1a0d74f0ca600a54b49fe3f72a0a173b676a6b73fe81