[INFO] cloning repository https://github.com/hwadii/mia [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hwadii/mia" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwadii%2Fmia", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwadii%2Fmia'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6e103ecc70e35cb5e0cc64444f668dbb09e2a7e6 [INFO] checking hwadii/mia against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhwadii%2Fmia" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hwadii/mia [INFO] finished tweaking git repo https://github.com/hwadii/mia [INFO] tweaked toml for git repo https://github.com/hwadii/mia written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hwadii/mia on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hwadii/mia 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded vte v0.9.0 [INFO] [stderr] Downloaded timer v0.2.0 [INFO] [stderr] Downloaded defer-drop v1.0.1 [INFO] [stderr] Downloaded beef v0.5.0 [INFO] [stderr] Downloaded crossbeam-epoch v0.9.2 [INFO] [stderr] Downloaded crossbeam-utils v0.8.2 [INFO] [stderr] Downloaded loom v0.4.0 [INFO] [stderr] Downloaded skim v0.9.4 [INFO] [stderr] Downloaded tuikit v0.4.5 [INFO] [stderr] Downloaded serde_json v1.0.62 [INFO] [stderr] Downloaded crossbeam v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b5b004d7bf15a55d44a320fe8fb0cca9f3014451228c2fae6938376fa2933c0d [INFO] running `Command { std: "docker" "start" "-a" "b5b004d7bf15a55d44a320fe8fb0cca9f3014451228c2fae6938376fa2933c0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b5b004d7bf15a55d44a320fe8fb0cca9f3014451228c2fae6938376fa2933c0d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b5b004d7bf15a55d44a320fe8fb0cca9f3014451228c2fae6938376fa2933c0d", kill_on_drop: false }` [INFO] [stdout] b5b004d7bf15a55d44a320fe8fb0cca9f3014451228c2fae6938376fa2933c0d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ffc3df0ddbae8a33727220b82e90badadd4413fecfc63c70b5acee25cbf7c2c5 [INFO] running `Command { std: "docker" "start" "-a" "ffc3df0ddbae8a33727220b82e90badadd4413fecfc63c70b5acee25cbf7c2c5", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling syn v1.0.60 [INFO] [stderr] Compiling crossbeam-utils v0.8.2 [INFO] [stderr] Compiling version_check v0.9.2 [INFO] [stderr] Compiling strsim v0.9.3 [INFO] [stderr] Checking once_cell v1.5.2 [INFO] [stderr] Compiling nix v0.14.1 [INFO] [stderr] Compiling serde_derive v1.0.123 [INFO] [stderr] Compiling derive_builder v0.9.0 [INFO] [stderr] Compiling serde v1.0.123 [INFO] [stderr] Checking crossbeam-channel v0.4.4 [INFO] [stderr] Compiling vte_generate_state_changes v0.1.1 [INFO] [stderr] Compiling serde_json v1.0.62 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking arrayvec v0.5.2 [INFO] [stderr] Checking beef v0.5.0 [INFO] [stderr] Checking shlex v0.1.1 [INFO] [stderr] Checking itoa v0.4.7 [INFO] [stderr] Checking thread_local v1.1.3 [INFO] [stderr] Compiling standback v0.2.15 [INFO] [stderr] Compiling time v0.2.25 [INFO] [stderr] Checking regex v1.4.3 [INFO] [stderr] Checking fuzzy-matcher v0.3.7 [INFO] [stderr] Checking vte v0.9.0 [INFO] [stderr] Checking defer-drop v1.0.1 [INFO] [stderr] Checking crossbeam-epoch v0.9.2 [INFO] [stderr] Checking crossbeam-channel v0.5.0 [INFO] [stderr] Checking crossbeam-queue v0.3.1 [INFO] [stderr] Checking crossbeam-deque v0.8.0 [INFO] [stderr] Checking crossbeam v0.8.0 [INFO] [stderr] Checking dirs-sys v0.3.5 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking nix v0.19.1 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking env_logger v0.8.3 [INFO] [stderr] Checking rayon-core v1.9.0 [INFO] [stderr] Checking term v0.6.1 [INFO] [stderr] Checking chrono v0.4.19 [INFO] [stderr] Checking rayon v1.5.0 [INFO] [stderr] Checking timer v0.2.0 [INFO] [stderr] Checking tuikit v0.4.5 [INFO] [stderr] Compiling darling_core v0.10.2 [INFO] [stderr] Compiling time-macros-impl v0.1.1 [INFO] [stderr] Checking time-macros v0.1.1 [INFO] [stderr] Compiling darling_macro v0.10.2 [INFO] [stderr] Compiling darling v0.10.2 [INFO] [stderr] Compiling derive_builder_core v0.9.0 [INFO] [stderr] Checking skim v0.9.4 [INFO] [stderr] Checking mia v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | fn text(&self) -> Cow { [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] 25 | fn text(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | fn output(&self) -> Cow { [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] 29 | fn output(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `super::*` [INFO] [stdout] --> src/lib.rs:119:9 [INFO] [stdout] | [INFO] [stdout] 119 | use super::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:25:13 [INFO] [stdout] | [INFO] [stdout] 25 | fn text(&self) -> Cow { [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] 25 | fn text(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:29:15 [INFO] [stdout] | [INFO] [stdout] 29 | fn output(&self) -> Cow { [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] 29 | fn output(&self) -> Cow<'_, str> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.67s [INFO] running `Command { std: "docker" "inspect" "ffc3df0ddbae8a33727220b82e90badadd4413fecfc63c70b5acee25cbf7c2c5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ffc3df0ddbae8a33727220b82e90badadd4413fecfc63c70b5acee25cbf7c2c5", kill_on_drop: false }` [INFO] [stdout] ffc3df0ddbae8a33727220b82e90badadd4413fecfc63c70b5acee25cbf7c2c5