[INFO] fetching crate cooptex 0.2.1...
[INFO] checking cooptex-0.2.1 against master#4eb62535fc12dd1a63fd43a4173e224e79313c4d for pr-158816
[INFO] extracting crate cooptex 0.2.1 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate cooptex 0.2.1
[INFO] finished tweaking crates.io crate cooptex 0.2.1
[INFO] tweaked toml for crates.io crate cooptex 0.2.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate cooptex 0.2.1 on toolchain 4eb62535fc12dd1a63fd43a4173e224e79313c4d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate cooptex 0.2.1 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" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded getrandom v0.2.3
[INFO] [stderr]   Downloaded rand_hc v0.3.1
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[INFO] [stderr]   Downloaded rustversion v1.0.5
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[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
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[INFO] [stderr]   Downloaded cc v1.0.71
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[INFO] [stderr]   Downloaded tracing v0.1.29
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[INFO] [stderr]   Downloaded itertools v0.10.1
[INFO] [stderr]   Downloaded tracing-subscriber v0.2.25
[INFO] [stderr]   Downloaded chrono v0.4.19
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[INFO] [stderr]   Downloaded syn v1.0.81
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[INFO] [stderr]   Downloaded libc v0.2.105
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3d5ced03c013a94a2f102a4510f48a6e9184255caf5fd8244f58017bde7f5210" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04
[INFO] running `Command { std: "docker" "start" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04" "/opt/rustwide/cargo-home/bin/cargo" "+4eb62535fc12dd1a63fd43a4173e224e79313c4d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.105
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling frunk_core v0.4.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling rustversion v1.0.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling cc v1.0.71
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.15
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.7.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]    Compiling generator v0.7.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking crossbeam v0.8.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]    Compiling frunk_proc_macro_helpers v0.1.0
[INFO] [stderr]    Compiling frunk_proc_macros_impl v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling frunk_derives v0.4.0
[INFO] [stderr]     Checking frunk_proc_macros v0.1.0
[INFO] [stderr]     Checking frunk v0.4.0
[INFO] [stderr]     Checking cooptex v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn lock(&self) -> Result<LockResult<MutexGuard<T>>, Retry> {
[INFO] [stdout]     |                 ^^^^^                       ^^^^^^^^^^^^^   ^^^^^ the same lifetime is hidden 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn lock(&self) -> Result<LockResult<MutexGuard<'_, T>>, Retry<'_>> {
[INFO] [stdout]     |                                                        +++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking loom v0.5.2
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/lib.rs:105:17
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn lock(&self) -> Result<LockResult<MutexGuard<T>>, Retry> {
[INFO] [stdout]     |                 ^^^^^                       ^^^^^^^^^^^^^   ^^^^^ the same lifetime is hidden 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]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 105 |     pub fn lock(&self) -> Result<LockResult<MutexGuard<'_, T>>, Retry<'_>> {
[INFO] [stdout]     |                                                        +++           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.96s
[INFO] running `Command { std: "docker" "inspect" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04", kill_on_drop: false }`
[INFO] [stdout] a16ac501f6205642686c2a753c5884caa2f38ff674d34635f12b175829852e04
