[INFO] fetching crate consecutive-vecmap 0.1.1... [INFO] testing consecutive-vecmap-0.1.1 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate consecutive-vecmap 0.1.1 into /workspace/builds/worker-0-tc2/source [INFO] started tweaking crates.io crate consecutive-vecmap 0.1.1 [INFO] finished tweaking crates.io crate consecutive-vecmap 0.1.1 [INFO] tweaked toml for crates.io crate consecutive-vecmap 0.1.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate consecutive-vecmap 0.1.1 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "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" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 17 packages to latest compatible versions [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 03d8a48ae8b643f36bf36d977649541fbfc7b843beb11a66b2ebf2753358e89e [INFO] running `Command { std: "docker" "start" "-a" "03d8a48ae8b643f36bf36d977649541fbfc7b843beb11a66b2ebf2753358e89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "03d8a48ae8b643f36bf36d977649541fbfc7b843beb11a66b2ebf2753358e89e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "03d8a48ae8b643f36bf36d977649541fbfc7b843beb11a66b2ebf2753358e89e", kill_on_drop: false }` [INFO] [stdout] 03d8a48ae8b643f36bf36d977649541fbfc7b843beb11a66b2ebf2753358e89e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 952c74b803390d4bf54cbc1ce80ee7546f757b37660d1e39a8a41c66b9f83e9c [INFO] running `Command { std: "docker" "start" "-a" "952c74b803390d4bf54cbc1ce80ee7546f757b37660d1e39a8a41c66b9f83e9c", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling consecutive-vecmap v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn iter(&self) -> Iter { [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] 174 | pub fn iter(&self) -> Iter<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn iter_mut(&mut self) -> IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 182 | pub fn iter_mut(&mut self) -> IterMut<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | self.head == None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = self.head == None; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.17s [INFO] running `Command { std: "docker" "inspect" "952c74b803390d4bf54cbc1ce80ee7546f757b37660d1e39a8a41c66b9f83e9c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "952c74b803390d4bf54cbc1ce80ee7546f757b37660d1e39a8a41c66b9f83e9c", kill_on_drop: false }` [INFO] [stdout] 952c74b803390d4bf54cbc1ce80ee7546f757b37660d1e39a8a41c66b9f83e9c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cfba10b5ddcc516045cc0bf95e111f5c01fd9864d7815ddfdaed0c8390fc1add [INFO] running `Command { std: "docker" "start" "-a" "cfba10b5ddcc516045cc0bf95e111f5c01fd9864d7815ddfdaed0c8390fc1add", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling libc v0.2.176 [INFO] [stderr] Compiling getrandom v0.3.3 [INFO] [stderr] Compiling zerocopy v0.8.27 [INFO] [stderr] Compiling cfg-if v1.0.3 [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:174:17 [INFO] [stdout] | [INFO] [stdout] 174 | pub fn iter(&self) -> Iter { [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] 174 | pub fn iter(&self) -> Iter<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/lib.rs:182:21 [INFO] [stdout] | [INFO] [stdout] 182 | pub fn iter_mut(&mut self) -> IterMut { [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] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 182 | pub fn iter_mut(&mut self) -> IterMut<'_, V> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused comparison that must be used [INFO] [stdout] --> src/lib.rs:203:13 [INFO] [stdout] | [INFO] [stdout] 203 | self.head == None; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the comparison produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 203 | let _ = self.head == None; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Compiling rand_core v0.9.3 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling rand_chacha v0.9.0 [INFO] [stderr] Compiling rand v0.9.2 [INFO] [stderr] Compiling consecutive-vecmap v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `rand::Rng` [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use rand::Rng; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: Renamed to `rng` [INFO] [stdout] --> src/lib.rs:312:15 [INFO] [stdout] | [INFO] [stdout] 312 | rand::thread_rng().shuffle(&mut random_vec); [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0599]: no method named `shuffle` found for struct `ThreadRng` in the current scope [INFO] [stdout] --> src/lib.rs:312:28 [INFO] [stdout] | [INFO] [stdout] 312 | rand::thread_rng().shuffle(&mut random_vec); [INFO] [stdout] | ^^^^^^^ method not found in `ThreadRng` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0599`. [INFO] [stdout] [INFO] [stderr] error: could not compile `consecutive-vecmap` (lib test) due to 1 previous error; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "cfba10b5ddcc516045cc0bf95e111f5c01fd9864d7815ddfdaed0c8390fc1add", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cfba10b5ddcc516045cc0bf95e111f5c01fd9864d7815ddfdaed0c8390fc1add", kill_on_drop: false }` [INFO] [stdout] cfba10b5ddcc516045cc0bf95e111f5c01fd9864d7815ddfdaed0c8390fc1add