[INFO] fetching crate kanon 0.2.0... [INFO] checking kanon-0.2.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate kanon 0.2.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate kanon 0.2.0 [INFO] finished tweaking crates.io crate kanon 0.2.0 [INFO] tweaked toml for crates.io crate kanon 0.2.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate kanon 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 kanon 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] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ccb5e18e7335c15692b7c834eaf7f4ee395b260ac8bf3ab41a8552909b7ffd29 [INFO] running `Command { std: "docker" "start" "-a" "ccb5e18e7335c15692b7c834eaf7f4ee395b260ac8bf3ab41a8552909b7ffd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ccb5e18e7335c15692b7c834eaf7f4ee395b260ac8bf3ab41a8552909b7ffd29", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ccb5e18e7335c15692b7c834eaf7f4ee395b260ac8bf3ab41a8552909b7ffd29", kill_on_drop: false }` [INFO] [stdout] ccb5e18e7335c15692b7c834eaf7f4ee395b260ac8bf3ab41a8552909b7ffd29 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 58ceedae4a07d97aef6663cb24ffc3c232a568eecc2ddbbb11b144d2a83d9d89 [INFO] running `Command { std: "docker" "start" "-a" "58ceedae4a07d97aef6663cb24ffc3c232a568eecc2ddbbb11b144d2a83d9d89", kill_on_drop: false }` [INFO] [stderr] Compiling syn v2.0.87 [INFO] [stderr] Compiling libc v0.2.162 [INFO] [stderr] Checking litemap v0.7.3 [INFO] [stderr] Compiling aws-lc-rs v1.11.1 [INFO] [stderr] Compiling rustls v0.23.18 [INFO] [stderr] Checking once_cell v1.20.2 [INFO] [stderr] Checking dirs-sys v0.4.1 [INFO] [stderr] Compiling jobserver v0.1.32 [INFO] [stderr] Checking dirs v5.0.1 [INFO] [stderr] Compiling cc v1.2.1 [INFO] [stderr] Compiling cmake v0.1.51 [INFO] [stderr] Compiling aws-lc-sys v0.23.1 [INFO] [stderr] Compiling synstructure v0.13.1 [INFO] [stderr] Compiling zerovec-derive v0.10.3 [INFO] [stderr] Compiling displaydoc v0.2.5 [INFO] [stderr] Compiling icu_provider_macros v1.5.0 [INFO] [stderr] Compiling zerofrom-derive v0.1.4 [INFO] [stderr] Compiling yoke-derive v0.7.4 [INFO] [stderr] Checking zerofrom v0.1.4 [INFO] [stderr] Checking yoke v0.7.4 [INFO] [stderr] Checking zerovec v0.10.4 [INFO] [stderr] Checking tinystr v0.7.6 [INFO] [stderr] Checking icu_collections v1.5.0 [INFO] [stderr] Checking icu_locid v1.5.0 [INFO] [stderr] Checking icu_provider v1.5.0 [INFO] [stderr] Checking icu_locid_transform v1.5.0 [INFO] [stderr] Checking icu_properties v1.5.1 [INFO] [stderr] Checking icu_normalizer v1.5.0 [INFO] [stderr] Checking idna_adapter v1.2.0 [INFO] [stderr] Checking idna v1.0.3 [INFO] [stderr] Checking url v2.5.3 [INFO] [stderr] Checking rustls-webpki v0.102.8 [INFO] [stderr] Checking kanon v0.2.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/meta.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Prompt { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 38 | fn new(content: &str) -> Prompt { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Utf8`, `Utf16`, and `Ascii` are never constructed [INFO] [stdout] --> src/mime_types.rs:184:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub enum Charset { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 184 | Utf8, [INFO] [stdout] | ^^^^ [INFO] [stdout] 185 | Utf16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 186 | Ascii, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Charset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `En`, `It`, and `Fr` are never constructed [INFO] [stdout] --> src/mime_types.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 191 | pub enum Language { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 192 | En, [INFO] [stdout] | ^^ [INFO] [stdout] 193 | It, [INFO] [stdout] | ^^ [INFO] [stdout] 194 | Fr, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/response.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | let path = match PathBuf::from_str(value.path()) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: requested on the command line with `-D unmustuse-in-always-ok` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/meta.rs:38:8 [INFO] [stdout] | [INFO] [stdout] 37 | impl Prompt { [INFO] [stdout] | ----------- associated function in this implementation [INFO] [stdout] 38 | fn new(content: &str) -> Prompt { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `Utf16` and `Ascii` are never constructed [INFO] [stdout] --> src/mime_types.rs:185:5 [INFO] [stdout] | [INFO] [stdout] 183 | pub enum Charset { [INFO] [stdout] | ------- variants in this enum [INFO] [stdout] 184 | Utf8, [INFO] [stdout] 185 | Utf16, [INFO] [stdout] | ^^^^^ [INFO] [stdout] 186 | Ascii, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Charset` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `En`, `It`, and `Fr` are never constructed [INFO] [stdout] --> src/mime_types.rs:192:5 [INFO] [stdout] | [INFO] [stdout] 191 | pub enum Language { [INFO] [stdout] | -------- variants in this enum [INFO] [stdout] 192 | En, [INFO] [stdout] | ^^ [INFO] [stdout] 193 | It, [INFO] [stdout] | ^^ [INFO] [stdout] 194 | Fr, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Language` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/response.rs:68:26 [INFO] [stdout] | [INFO] [stdout] 68 | let path = match PathBuf::from_str(value.path()) { [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 [INFO] [stdout] --> src/mime_types.rs:213:20 [INFO] [stdout] | [INFO] [stdout] 213 | let path = PathBuf::from_str("cioa.mp4").unwrap(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `kanon` (lib) due to 1 previous error; 3 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `kanon` (lib test) due to 2 previous errors; 3 warnings emitted [INFO] running `Command { std: "docker" "inspect" "58ceedae4a07d97aef6663cb24ffc3c232a568eecc2ddbbb11b144d2a83d9d89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "58ceedae4a07d97aef6663cb24ffc3c232a568eecc2ddbbb11b144d2a83d9d89", kill_on_drop: false }` [INFO] [stdout] 58ceedae4a07d97aef6663cb24ffc3c232a568eecc2ddbbb11b144d2a83d9d89