[INFO] fetching crate fromage_converter 0.1.0... [INFO] checking fromage_converter-0.1.0 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577 [INFO] extracting crate fromage_converter 0.1.0 into /workspace/builds/worker-1-tc2/source [INFO] started tweaking crates.io crate fromage_converter 0.1.0 [INFO] finished tweaking crates.io crate fromage_converter 0.1.0 [INFO] tweaked toml for crates.io crate fromage_converter 0.1.0 written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate fromage_converter 0.1.0 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 fromage_converter 0.1.0 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024 [INFO] running `Command { std: "docker" "start" "-a" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024", kill_on_drop: false }` [INFO] [stdout] f16033c7be4fefa348754e57abb587c1dab48c4746ee059a57a091a8a3bea024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea [INFO] running `Command { std: "docker" "start" "-a" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }` [INFO] [stderr] Compiling syn v1.0.16 [INFO] [stderr] Compiling libc v0.2.67 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Checking regex-syntax v0.6.15 [INFO] [stderr] Compiling proc-macro-error-attr v0.4.10 [INFO] [stderr] Compiling proc-macro-error v0.4.10 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking termcolor v1.1.0 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking aho-corasick v0.7.9 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking regex v1.3.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Compiling syn-mid v0.5.0 [INFO] [stderr] Compiling structopt-derive v0.4.4 [INFO] [stderr] Checking structopt v0.3.11 [INFO] [stderr] Checking fromage_converter v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] error: this type will no longer be must used: std::result::Result [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Name of column containing translations to export from CSV file [INFO] [stdout] 30 | | #[structopt(short, long, default_value("TRANSLATION"))] [INFO] [stdout] 31 | | translation_column: 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 [INFO] [stdout] --> src/main.rs:29:5 [INFO] [stdout] | [INFO] [stdout] 29 | / /// Name of column containing translations to export from CSV file [INFO] [stdout] 30 | | #[structopt(short, long, default_value("TRANSLATION"))] [INFO] [stdout] 31 | | translation_column: 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] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/mod.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | fn next_fromage(&mut self) -> Option>; [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] 18 | fn next_fromage(&mut self) -> Option>>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/mod.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | fn next_fromage(&mut self) -> Option>; [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] 18 | fn next_fromage(&mut self) -> Option>>; [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/atools.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | fn next_fromage(&mut self) -> Option> { [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] 34 | fn next_fromage(&mut self) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/atools.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result { [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result, &str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/csv.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | fn next_fromage(&mut self) -> Option> { [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] 82 | fn next_fromage(&mut self) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/csv.rs:99:11 [INFO] [stdout] | [INFO] [stdout] 99 | line: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 102 | ) -> std::result::Result { [INFO] [stdout] | ^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is hidden 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] 102 | ) -> std::result::Result, &str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/atools.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | fn next_fromage(&mut self) -> Option> { [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] 34 | fn next_fromage(&mut self) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/atools.rs:50:21 [INFO] [stdout] | [INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result { [INFO] [stdout] | ^^^^ ^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | | [INFO] [stdout] | | the same lifetime is hidden 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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 50 | fn parse_line(line: &str) -> std::result::Result, &str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/csv.rs:82:21 [INFO] [stdout] | [INFO] [stdout] 82 | fn next_fromage(&mut self) -> Option> { [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] 82 | fn next_fromage(&mut self) -> Option>> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/parser/csv.rs:99:11 [INFO] [stdout] | [INFO] [stdout] 99 | line: &str, [INFO] [stdout] | ^^^^ the lifetime is elided here [INFO] [stdout] ... [INFO] [stdout] 102 | ) -> std::result::Result { [INFO] [stdout] | ^^^^^^^ ^^^^ the same lifetime is elided here [INFO] [stdout] | | [INFO] [stdout] | the same lifetime is hidden 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] 102 | ) -> std::result::Result, &str> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `fromage_converter` (bin "fromage_converter" test) due to 1 previous error; 5 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `fromage_converter` (bin "fromage_converter") due to 1 previous error; 5 warnings emitted [INFO] running `Command { std: "docker" "inspect" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea", kill_on_drop: false }` [INFO] [stdout] e9bde6be7bd2c72b9642328c765094f89668bcab554e3bfece723c3be5f6c3ea