[INFO] fetching crate otter-support 1.2.1...
[INFO] checking otter-support-1.2.1 against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] extracting crate otter-support 1.2.1 into /workspace/builds/worker-3-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-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate otter-support 1.2.1 on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 191 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: v0.31.7)
[INFO] [stderr]       Adding generic-array v0.14.7 (available: v0.14.9)
[INFO] [stderr]       Adding mio v0.8.11 (available: v1.1.0)
[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: v3.15.1)
[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: v0.9.8)
[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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a7c1d07fa54297fcb43987acc9be5e30f6eac3e46fa9d5dbb30227dac4bb061
[INFO] running `Command { std: "docker" "start" "-a" "2a7c1d07fa54297fcb43987acc9be5e30f6eac3e46fa9d5dbb30227dac4bb061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a7c1d07fa54297fcb43987acc9be5e30f6eac3e46fa9d5dbb30227dac4bb061", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a7c1d07fa54297fcb43987acc9be5e30f6eac3e46fa9d5dbb30227dac4bb061", kill_on_drop: false }`
[INFO] [stdout] 2a7c1d07fa54297fcb43987acc9be5e30f6eac3e46fa9d5dbb30227dac4bb061
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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 -Dunmustuse_in_always_ok" "-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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eb85cc9dd4118b10ad7d87b7941fe1c2622331e0f08f4a5f62646102ced2a9c1
[INFO] running `Command { std: "docker" "start" "-a" "eb85cc9dd4118b10ad7d87b7941fe1c2622331e0f08f4a5f62646102ced2a9c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling regex-syntax v0.8.8
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling uncased v0.9.10
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.39
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking filetime v0.2.26
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]    Compiling slotmap-fork-otter v1.0.2
[INFO] [stderr]     Checking num_threads v0.1.7
[INFO] [stderr]    Compiling time-macros v0.2.4
[INFO] [stderr]     Checking phf_shared v0.11.3
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking either v1.15.0
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[INFO] [stderr]     Checking parking_lot_core v0.9.12
[INFO] [stderr]    Compiling phf v0.11.3
[INFO] [stderr]     Checking glob v0.3.3
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking arrayvec v0.7.6
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[INFO] [stderr]     Checking itertools v0.10.5
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[INFO] [stderr]     Checking nix v0.24.3
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[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking mio v0.8.11
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[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking notify v4.0.18
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling phf_generator v0.11.3
[INFO] [stderr]     Checking chrono v0.4.42
[INFO] [stderr]     Checking rmp v0.8.14
[INFO] [stderr]     Checking crypto-common v0.1.7
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[INFO] [stderr]    Compiling phf_codegen v0.11.3
[INFO] [stderr]    Compiling num-integer v0.1.46
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]     Checking sha2 v0.10.9
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling regex-automata v0.4.13
[INFO] [stderr]     Checking serde_json v1.0.145
[INFO] [stderr]    Compiling regex v1.12.2
[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 darling_core v0.13.4
[INFO] [stderr]     Checking thiserror v1.0.69
[INFO] [stderr]    Compiling fehler-macros v1.0.0
[INFO] [stderr]    Compiling strum_macros v0.24.3
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling educe v0.4.23
[INFO] [stderr]    Compiling derive-into-owned v0.2.0
[INFO] [stderr]     Checking pwd v1.4.0
[INFO] [stderr]     Checking fehler v1.0.0
[INFO] [stderr]    Compiling darling_macro v0.13.4
[INFO] [stderr]     Checking strum v0.24.1
[INFO] [stderr]    Compiling darling v0.13.4
[INFO] [stderr]    Compiling serde_with_macros v1.5.2
[INFO] [stderr]     Checking toml v0.5.11
[INFO] [stderr]     Checking serde_with v1.14.0
[INFO] [stderr]     Checking rmp-serde v1.3.0
[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] 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] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]   --> tz.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Timezone::from_str("").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]    --> tz.rs:73:35
[INFO] [stdout]     |
[INFO] [stdout]  73 |     fn from_str(name: &str) -> Self {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout]  74 | |     if name.is_empty() { return default() }
[INFO] [stdout]  75 | |
[INFO] [stdout]  76 | |     let get = |memor: &MemoTable| memor.as_ref()?.get(name).map(Clone::clone);
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |     out
[INFO] [stdout] 100 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]   --> tz.rs:72:3
[INFO] [stdout]    |
[INFO] [stdout] 72 |   #[throws(Void)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `otter-support` (lib test) due to 3 previous errors; 1 warning emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]   --> tz.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     Timezone::from_str("").unwrap()
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]    --> tz.rs:73:35
[INFO] [stdout]     |
[INFO] [stdout]  73 |     fn from_str(name: &str) -> Self {
[INFO] [stdout]     |  ___________________________________^
[INFO] [stdout]  74 | |     if name.is_empty() { return default() }
[INFO] [stdout]  75 | |
[INFO] [stdout]  76 | |     let get = |memor: &MemoTable| memor.as_ref()?.get(name).map(Clone::clone);
[INFO] [stdout] ...   |
[INFO] [stdout]  99 | |     out
[INFO] [stdout] 100 | |   }
[INFO] [stdout]     | |___^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: Result<tz::Timezone, otter_base::imports::Void>
[INFO] [stdout]   --> tz.rs:72:3
[INFO] [stdout]    |
[INFO] [stdout] 72 |   #[throws(Void)]
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the attribute macro `throws` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `otter-support` (lib) due to 3 previous errors; 1 warning emitted
[INFO] running `Command { std: "docker" "inspect" "eb85cc9dd4118b10ad7d87b7941fe1c2622331e0f08f4a5f62646102ced2a9c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eb85cc9dd4118b10ad7d87b7941fe1c2622331e0f08f4a5f62646102ced2a9c1", kill_on_drop: false }`
[INFO] [stdout] eb85cc9dd4118b10ad7d87b7941fe1c2622331e0f08f4a5f62646102ced2a9c1
