[INFO] fetching crate gib 0.2.4... [INFO] checking gib-0.2.4 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate gib 0.2.4 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate gib 0.2.4 [INFO] finished tweaking crates.io crate gib 0.2.4 [INFO] tweaked toml for crates.io crate gib 0.2.4 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate gib 0.2.4 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 gib 0.2.4 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] e965102b7b458cd0e53f808fc9c7b8cc1bc72caa7204a479f35401f82ce2a378 [INFO] running `Command { std: "docker" "start" "-a" "e965102b7b458cd0e53f808fc9c7b8cc1bc72caa7204a479f35401f82ce2a378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e965102b7b458cd0e53f808fc9c7b8cc1bc72caa7204a479f35401f82ce2a378", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e965102b7b458cd0e53f808fc9c7b8cc1bc72caa7204a479f35401f82ce2a378", kill_on_drop: false }` [INFO] [stdout] e965102b7b458cd0e53f808fc9c7b8cc1bc72caa7204a479f35401f82ce2a378 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a6a35a84eff1a90ed49444922c0d5d26caa2f73dd1fb73415da3e090511cbad2 [INFO] running `Command { std: "docker" "start" "-a" "a6a35a84eff1a90ed49444922c0d5d26caa2f73dd1fb73415da3e090511cbad2", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.17 [INFO] [stderr] Checking thread_local v1.0.1 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.12 [INFO] [stderr] Checking regex-syntax v0.6.17 [INFO] [stderr] Compiling proc-macro-error v0.4.12 [INFO] [stderr] Checking aho-corasick v0.7.10 [INFO] [stderr] Compiling num-traits v0.2.11 [INFO] [stderr] Compiling crossbeam-utils v0.7.2 [INFO] [stderr] Checking getrandom v0.1.14 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking unicode-width v0.1.7 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bstr v0.2.12 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking walkdir v2.3.1 [INFO] [stderr] Checking crossbeam-channel v0.4.2 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking float-cmp v0.6.0 [INFO] [stderr] Compiling gib v0.2.4 (/opt/rustwide/workdir) [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> build.rs:51:35 [INFO] [stdout] | [INFO] [stdout] 51 | fn extract_escaped_filename(path: &PathBuf) -> Option<(&str, EscapeDefault)> { [INFO] [stdout] | ^^^^^^^^ ^^^^ ^^^^^^^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is elided here [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] 51 | fn extract_escaped_filename(path: &PathBuf) -> Option<(&str, EscapeDefault<'_>)> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking rand_chacha v0.2.2 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking exitcode v1.1.2 [INFO] [stderr] Checking itertools v0.9.0 [INFO] [stderr] Checking wait-timeout v0.2.0 [INFO] [stderr] Checking rand v0.7.3 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking regex v1.3.7 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Checking globset v0.4.5 [INFO] [stderr] Checking predicates v1.0.4 [INFO] [stderr] Checking assert_cmd v1.0.1 [INFO] [stderr] Checking ignore v0.4.14 [INFO] [stderr] Compiling structopt-derive v0.4.5 [INFO] [stderr] Checking globwalk v0.7.3 [INFO] [stderr] Checking assert_fs v1.0.0 [INFO] [stderr] Checking structopt v0.3.12 [INFO] [stdout] warning: field `debug` is never read [INFO] [stdout] --> src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct Gib { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 30 | debug: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Gib` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | / /// Template files to use [INFO] [stdout] 53 | | #[structopt(name = "TEMPLATE")] [INFO] [stdout] 54 | | templates: Vec, [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 `gib` (lib test) due to 1 previous error; 1 warning emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: field `debug` is never read [INFO] [stdout] --> src/lib.rs:30:5 [INFO] [stdout] | [INFO] [stdout] 24 | struct Gib { [INFO] [stdout] | --- field in this struct [INFO] [stdout] ... [INFO] [stdout] 30 | debug: bool, [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Gib` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: this type will no longer be must used: Result [INFO] [stdout] --> src/lib.rs:52:5 [INFO] [stdout] | [INFO] [stdout] 52 | / /// Template files to use [INFO] [stdout] 53 | | #[structopt(name = "TEMPLATE")] [INFO] [stdout] 54 | | templates: Vec, [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 `gib` (lib) due to 1 previous error; 1 warning emitted [INFO] running `Command { std: "docker" "inspect" "a6a35a84eff1a90ed49444922c0d5d26caa2f73dd1fb73415da3e090511cbad2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6a35a84eff1a90ed49444922c0d5d26caa2f73dd1fb73415da3e090511cbad2", kill_on_drop: false }` [INFO] [stdout] a6a35a84eff1a90ed49444922c0d5d26caa2f73dd1fb73415da3e090511cbad2