[INFO] fetching crate otter-support 1.2.1...
[INFO] building otter-support-1.2.1 against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] extracting crate otter-support 1.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate otter-support 1.2.1
[INFO] finished tweaking crates.io crate otter-support 1.2.1
[INFO] tweaked toml for crates.io crate otter-support 1.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter-support 1.2.1 on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 192 packages to latest compatible versions
[INFO] [stderr]       Adding chrono-tz v0.6.3 (available: v0.10.4)
[INFO] [stderr]       Adding console v0.15.11 (available: v0.16.1)
[INFO] [stderr]       Adding educe v0.4.23 (available: v0.6.0)
[INFO] [stderr]       Adding flexi_logger v0.22.6 (available: v0.31.4)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.0.4)
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.30.1)
[INFO] [stderr]       Adding num-derive v0.3.3 (available: v0.4.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.14.1)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.27.2)
[INFO] [stderr]       Adding time v0.3.9 (available: v0.3.44)
[INFO] [stderr]       Adding time-macros v0.2.4 (available: v0.2.24)
[INFO] [stderr]       Adding toml v0.5.11 (available: v0.9.7)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fehler-macros v1.0.0
[INFO] [stderr]   Downloaded fehler v1.0.0
[INFO] [stderr]   Downloaded extend v1.2.0
[INFO] [stderr]   Downloaded otter-base v1.2.1
[INFO] [stderr]   Downloaded serde_with_macros v1.5.2
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.15
[INFO] [stderr]   Downloaded chrono-tz-build v0.0.3
[INFO] [stderr]   Downloaded if_chain v1.0.3
[INFO] [stderr]   Downloaded htmlescape v0.3.1
[INFO] [stderr]   Downloaded derive-into-owned v0.2.0
[INFO] [stderr]   Downloaded time-macros v0.2.4
[INFO] [stderr]   Downloaded educe v0.4.23
[INFO] [stderr]   Downloaded notify v4.0.18
[INFO] [stderr]   Downloaded time v0.3.9
[INFO] [stderr]   Downloaded serde_with v1.14.0
[INFO] [stderr]   Downloaded slotmap-fork-otter v1.0.2
[INFO] [stderr]   Downloaded flexi_logger v0.22.6
[INFO] [stderr]   Downloaded chrono-tz v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dea10b5faef1983fe64272155172478f902d3f2162e57cfccae85485aecf835
[INFO] running `Command { std: "docker" "start" "-a" "5dea10b5faef1983fe64272155172478f902d3f2162e57cfccae85485aecf835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dea10b5faef1983fe64272155172478f902d3f2162e57cfccae85485aecf835", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dea10b5faef1983fe64272155172478f902d3f2162e57cfccae85485aecf835", kill_on_drop: false }`
[INFO] [stdout] 5dea10b5faef1983fe64272155172478f902d3f2162e57cfccae85485aecf835
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0195c80c05d8844772600c8f3a69e2e4c40236e31c6fe47ae817b03535f80e73
[INFO] running `Command { std: "docker" "start" "-a" "0195c80c05d8844772600c8f3a69e2e4c40236e31c6fe47ae817b03535f80e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling typenum v1.18.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling phf_shared v0.11.3
[INFO] [stderr]    Compiling regex-syntax v0.8.6
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]    Compiling paste v1.0.15
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling net2 v0.2.39
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling filetime v0.2.26
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling chrono-tz-build v0.0.3
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling toml v0.5.11
[INFO] [stderr]    Compiling time v0.3.9
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling serde_with v1.14.0
[INFO] [stderr]    Compiling chrono v0.4.42
[INFO] [stderr]    Compiling fehler v1.0.0
[INFO] [stderr]    Compiling rmp v0.8.14
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling notify v4.0.18
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling if_chain v1.0.3
[INFO] [stderr]    Compiling htmlescape v0.3.1
[INFO] [stderr]    Compiling arrayvec v0.7.6
[INFO] [stderr]    Compiling glob v0.3.3
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling cpufeatures v0.2.17
[INFO] [stderr]    Compiling sha2 v0.10.9
[INFO] [stderr]    Compiling console v0.15.11
[INFO] [stderr]    Compiling flexi_logger v0.22.6
[INFO] [stderr]    Compiling strum v0.24.1
[INFO] [stderr]    Compiling nix v0.24.3
[INFO] [stderr]    Compiling otter-base v1.2.1
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling rmp-serde v1.3.0
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]    Compiling fs2 v0.4.3
[INFO] [stderr]    Compiling mio v0.8.11
[INFO] [stderr]    Compiling pwd v1.4.0
[INFO] [stderr]    Compiling otter-support v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> debugmutex.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn lock(&self) -> MutexGuard<T> {
[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] 15 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 22s
[INFO] running `Command { std: "docker" "inspect" "0195c80c05d8844772600c8f3a69e2e4c40236e31c6fe47ae817b03535f80e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0195c80c05d8844772600c8f3a69e2e4c40236e31c6fe47ae817b03535f80e73", kill_on_drop: false }`
[INFO] [stdout] 0195c80c05d8844772600c8f3a69e2e4c40236e31c6fe47ae817b03535f80e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade83501ca2c42f6871f2adf1aa57c430c9ec4a56e4b10d8aa3e598308f7eef3
[INFO] running `Command { std: "docker" "start" "-a" "ade83501ca2c42f6871f2adf1aa57c430c9ec4a56e4b10d8aa3e598308f7eef3", kill_on_drop: false }`
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> debugmutex.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn lock(&self) -> MutexGuard<T> {
[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] 15 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling otter-support v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> debugmutex.rs:15:15
[INFO] [stdout]    |
[INFO] [stdout] 15 |   pub fn lock(&self) -> MutexGuard<T> {
[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] 15 |   pub fn lock(&self) -> MutexGuard<'_, T> {
[INFO] [stdout]    |                                    +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.80s
[INFO] running `Command { std: "docker" "inspect" "ade83501ca2c42f6871f2adf1aa57c430c9ec4a56e4b10d8aa3e598308f7eef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade83501ca2c42f6871f2adf1aa57c430c9ec4a56e4b10d8aa3e598308f7eef3", kill_on_drop: false }`
[INFO] [stdout] ade83501ca2c42f6871f2adf1aa57c430c9ec4a56e4b10d8aa3e598308f7eef3
