[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 [INFO] [stderr] Checking mio v0.6.23 [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 [INFO] [stderr] Checking if_chain v1.0.3 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking unicode-width v0.2.2 [INFO] [stderr] Checking nix v0.24.3 [INFO] [stderr] Checking parking_lot v0.12.5 [INFO] [stderr] Checking mio-extras v2.0.6 [INFO] [stderr] Checking mio v0.8.11 [INFO] [stderr] Checking console v0.15.11 [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 [INFO] [stderr] Checking block-buffer v0.10.4 [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 { [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 [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 [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 [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 { [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 [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 [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 [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