[INFO] cloning repository https://github.com/keithyin/recfile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithyin/recfile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frecfile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frecfile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e556f80f0c4fd860ea59651a07cbd0da643a174
[INFO] checking keithyin/recfile against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithyin%2Frecfile" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/keithyin/recfile
[INFO] finished tweaking git repo https://github.com/keithyin/recfile
[INFO] tweaked toml for git repo https://github.com/keithyin/recfile written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/keithyin/recfile on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/keithyin/recfile 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded newtype_derive v0.1.6
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74fa37833a36a632e5389eefdcbd9113ef4f46a4691aad22ce637cbd88f13ada
[INFO] running `Command { std: "docker" "start" "-a" "74fa37833a36a632e5389eefdcbd9113ef4f46a4691aad22ce637cbd88f13ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74fa37833a36a632e5389eefdcbd9113ef4f46a4691aad22ce637cbd88f13ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74fa37833a36a632e5389eefdcbd9113ef4f46a4691aad22ce637cbd88f13ada", kill_on_drop: false }`
[INFO] [stdout] 74fa37833a36a632e5389eefdcbd9113ef4f46a4691aad22ce637cbd88f13ada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b888e135e9a7481f473c1c01da42b5d55c13c173192a157a5e3000d57a4bf82
[INFO] running `Command { std: "docker" "start" "-a" "4b888e135e9a7481f473c1c01da42b5d55c13c173192a157a5e3000d57a4bf82", kill_on_drop: false }`
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[INFO] [stderr]    Compiling lzma-sys v0.1.20
[INFO] [stderr]    Compiling bzip2-sys v0.1.13+1.0.8
[INFO] [stderr]    Compiling curl-sys v0.4.80+curl-8.12.1
[INFO] [stderr]    Compiling zstd-sys v2.0.15+zstd.1.5.7
[INFO] [stderr]     Checking recfile v1.0.0 (/opt/rustwide/workdir/recfile)
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[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> recfile/src/io/indexed_rw.rs:358:33
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn read_serialized_data(&self, data_meta: &DataMeta) -> anyhow::Result<Cow<[u8]>> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here              ^^^^^^^^^ 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn read_serialized_data(&self, data_meta: &DataMeta) -> anyhow::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                                    +++
[INFO] [stdout] 
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[INFO] [stderr]    Compiling yoke-derive v0.8.0
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[INFO] [stderr]     Checking tempfile v3.20.0
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[INFO] [stderr]     Checking csv v1.3.1
[INFO] [stderr]     Checking multimap v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.140
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking tinytemplate v1.2.1
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[INFO] [stderr]     Checking statrs v0.18.0
[INFO] [stderr]     Checking bio v2.3.0
[INFO] [stderr]     Checking rust-htslib v0.49.0
[INFO] [stderr]     Checking gskits v0.15.14
[INFO] [stderr]     Checking gass v0.1.2 (/opt/rustwide/workdir/gass)
[INFO] [stderr]     Checking recfile-examples v0.1.0 (/opt/rustwide/workdir/recfile-examples)
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]    --> recfile/src/io/indexed_rw_v2.rs:686:24
[INFO] [stdout]     |
[INFO] [stdout] 686 |         while let Some(record) = reader.read_serialized_data() {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (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]    --> recfile/src/io/indexed_rw.rs:358:33
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn read_serialized_data(&self, data_meta: &DataMeta) -> anyhow::Result<Cow<[u8]>> {
[INFO] [stdout]     |                                 ^^^^^ the lifetime is elided here              ^^^^^^^^^ 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 358 |     pub fn read_serialized_data(&self, data_meta: &DataMeta) -> anyhow::Result<Cow<'_, [u8]>> {
[INFO] [stdout]     |                                                                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3m 21s
[INFO] running `Command { std: "docker" "inspect" "4b888e135e9a7481f473c1c01da42b5d55c13c173192a157a5e3000d57a4bf82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b888e135e9a7481f473c1c01da42b5d55c13c173192a157a5e3000d57a4bf82", kill_on_drop: false }`
[INFO] [stdout] 4b888e135e9a7481f473c1c01da42b5d55c13c173192a157a5e3000d57a4bf82