[INFO] fetching crate otter-support 1.2.1...
[INFO] checking otter-support-1.2.1 against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] extracting crate otter-support 1.2.1 into /workspace/builds/worker-7-tc2/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-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter-support 1.2.1 on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 184 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: v0.16.3)
[INFO] [stderr]       Adding digest v0.10.7 (available: v0.11.3)
[INFO] [stderr]       Adding educe v0.4.23 (available: v0.6.0)
[INFO] [stderr]       Adding flexi_logger v0.22.6 (available: v0.31.9)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.2.0)
[INFO] [stderr]       Adding nix v0.24.3 (available: v0.31.3)
[INFO] [stderr]       Adding num-derive v0.3.3 (available: v0.4.2)
[INFO] [stderr]       Adding rand v0.8.6 (available: v0.10.1)
[INFO] [stderr]       Adding serde_with v1.14.0 (available: v3.20.0)
[INFO] [stderr]       Adding sha2 v0.10.9 (available: v0.11.0)
[INFO] [stderr]       Adding strum v0.24.1 (available: v0.28.0)
[INFO] [stderr]       Adding time v0.3.9 (available: v0.3.47)
[INFO] [stderr]       Adding time-macros v0.2.4 (available: v0.2.27)
[INFO] [stderr]       Adding toml v0.5.11 (available: v1.1.2+spec-1.1.0)
[INFO] [stderr]       Adding unicode-width v0.1.14 (available: v0.2.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f74a44eebe8e9c353fed033a373c582f67a0b4bd6fd0a6e8d2ef45f682056a6
[INFO] running `Command { std: "docker" "start" "-a" "6f74a44eebe8e9c353fed033a373c582f67a0b4bd6fd0a6e8d2ef45f682056a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f74a44eebe8e9c353fed033a373c582f67a0b4bd6fd0a6e8d2ef45f682056a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f74a44eebe8e9c353fed033a373c582f67a0b4bd6fd0a6e8d2ef45f682056a6", kill_on_drop: false }`
[INFO] [stdout] 6f74a44eebe8e9c353fed033a373c582f67a0b4bd6fd0a6e8d2ef45f682056a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 57d564bc5f56c7e782ffde73b37141d5938b0b99a8247d486d3cf0a4bfa665bc
[INFO] running `Command { std: "docker" "start" "-a" "57d564bc5f56c7e782ffde73b37141d5938b0b99a8247d486d3cf0a4bfa665bc", kill_on_drop: false }`
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling rand v0.8.6
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking getrandom v0.2.17
[INFO] [stderr]    Compiling darling_core v0.13.4
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]     Checking filetime v0.2.29
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking either v1.16.0
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]     Checking chrono v0.4.44
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rmp v0.8.15
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking if_chain v1.0.3
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking console v0.15.11
[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]     Checking nix v0.24.3
[INFO] [stderr]     Checking parking_lot v0.12.5
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]     Checking mio v0.8.11
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking serde_json v1.0.150
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.1
[INFO] [stderr]    Compiling chrono-tz-build v0.0.3
[INFO] [stderr]    Compiling chrono-tz v0.6.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling extend v1.2.0
[INFO] [stderr]    Compiling derive_more v0.99.20
[INFO] [stderr]    Compiling enum-ordinalize v3.1.15
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]     Checking pwd v1.4.0
[INFO] [stderr]     Checking serde v1.0.228
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking rmp-serde v1.3.1
[INFO] [stderr]     Checking flexi_logger v0.22.6
[INFO] [stderr]     Checking otter-base v1.2.1
[INFO] [stderr]     Checking otter-support v1.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: struct `DebugDebugIdentify` is never constructed
[INFO] [stdout]   --> debugmutex.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct DebugDebugIdentify<'t,T>(&'t T) where T: DebugIdentify;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] error: could not compile `otter-support` (lib test) due to 1 previous error; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `DebugDebugIdentify` is never constructed
[INFO] [stdout]   --> debugmutex.rs:50:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub struct DebugDebugIdentify<'t,T>(&'t T) where T: DebugIdentify;
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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] error: could not compile `otter-support` (lib) due to 1 previous error; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "57d564bc5f56c7e782ffde73b37141d5938b0b99a8247d486d3cf0a4bfa665bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57d564bc5f56c7e782ffde73b37141d5938b0b99a8247d486d3cf0a4bfa665bc", kill_on_drop: false }`
[INFO] [stdout] 57d564bc5f56c7e782ffde73b37141d5938b0b99a8247d486d3cf0a4bfa665bc
