[INFO] fetching crate refer 0.1.3... [INFO] checking refer-0.1.3 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate refer 0.1.3 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate refer 0.1.3 [INFO] finished tweaking crates.io crate refer 0.1.3 [INFO] tweaked toml for crates.io crate refer 0.1.3 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate refer 0.1.3 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 3 packages to latest compatible versions [INFO] [stderr] Adding nom v7.1.3 (available: v8.0.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b93fb00793089abdf9a63206aa47850f1f6990ab1d81934f745314f792603d8d [INFO] running `Command { std: "docker" "start" "-a" "b93fb00793089abdf9a63206aa47850f1f6990ab1d81934f745314f792603d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b93fb00793089abdf9a63206aa47850f1f6990ab1d81934f745314f792603d8d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b93fb00793089abdf9a63206aa47850f1f6990ab1d81934f745314f792603d8d", kill_on_drop: false }` [INFO] [stdout] b93fb00793089abdf9a63206aa47850f1f6990ab1d81934f745314f792603d8d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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" "-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6d7b31799e0330b7bea726fe162bc8fc9d3dc3b2d63d4fbb7cfb359aeda67b2 [INFO] running `Command { std: "docker" "start" "-a" "a6d7b31799e0330b7bea726fe162bc8fc9d3dc3b2d63d4fbb7cfb359aeda67b2", kill_on_drop: false }` [INFO] [stderr] Checking memchr v2.7.5 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Checking refer v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/reader.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | e => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/reader.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 399 | 0..=1 => { [INFO] [stdout] | ----- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 405 | 2 => Ok(Author { [INFO] [stdout] | - matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 409 | n @ 3.. => { [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 422 | e => { [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn records(&mut self) -> RecordsIter { [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] 101 | pub fn records(&mut self) -> RecordsIter<'_, R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unreachable pattern [INFO] [stdout] --> src/reader.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 422 | e => { [INFO] [stdout] | ^ no value can reach this [INFO] [stdout] | [INFO] [stdout] note: multiple earlier patterns match some of the same values [INFO] [stdout] --> src/reader.rs:422:9 [INFO] [stdout] | [INFO] [stdout] 399 | 0..=1 => { [INFO] [stdout] | ----- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 405 | 2 => Ok(Author { [INFO] [stdout] | - matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 409 | n @ 3.. => { [INFO] [stdout] | --- matches some of the same values [INFO] [stdout] ... [INFO] [stdout] 422 | e => { [INFO] [stdout] | ^ collectively making this unreachable [INFO] [stdout] = note: `#[warn(unreachable_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/reader.rs:101:20 [INFO] [stdout] | [INFO] [stdout] 101 | pub fn records(&mut self) -> RecordsIter { [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] 101 | pub fn records(&mut self) -> RecordsIter<'_, R> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.71s [INFO] running `Command { std: "docker" "inspect" "a6d7b31799e0330b7bea726fe162bc8fc9d3dc3b2d63d4fbb7cfb359aeda67b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6d7b31799e0330b7bea726fe162bc8fc9d3dc3b2d63d4fbb7cfb359aeda67b2", kill_on_drop: false }` [INFO] [stdout] a6d7b31799e0330b7bea726fe162bc8fc9d3dc3b2d63d4fbb7cfb359aeda67b2