[INFO] fetching crate memestat 0.1.0... [INFO] testing memestat-0.1.0 against beta-2025-10-28 for beta-1.92-2 [INFO] extracting crate memestat 0.1.0 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate memestat 0.1.0 [INFO] finished tweaking crates.io crate memestat 0.1.0 [INFO] tweaked toml for crates.io crate memestat 0.1.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate memestat 0.1.0 on toolchain beta-2025-10-28 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 28 packages to latest compatible versions [INFO] [stderr] Adding average v0.13.1 (available: v0.16.0) [INFO] [stderr] Adding derive_more v0.99.20 (available: v2.0.1) [INFO] [stderr] Adding mathru v0.12.0 (available: v0.16.2) [INFO] [stderr] Adding rand v0.8.5 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a8cd3313691bb772f537af3e171eee0e368c691364f73c66157f2da513cdedde [INFO] running `Command { std: "docker" "start" "-a" "a8cd3313691bb772f537af3e171eee0e368c691364f73c66157f2da513cdedde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a8cd3313691bb772f537af3e171eee0e368c691364f73c66157f2da513cdedde", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a8cd3313691bb772f537af3e171eee0e368c691364f73c66157f2da513cdedde", kill_on_drop: false }` [INFO] [stdout] a8cd3313691bb772f537af3e171eee0e368c691364f73c66157f2da513cdedde [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2e6a91aa603a487067b33b73fc409b9d1b42e18a9279a380abb186454890f833 [INFO] running `Command { std: "docker" "start" "-a" "2e6a91aa603a487067b33b73fc409b9d1b42e18a9279a380abb186454890f833", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling float-ord v0.3.2 [INFO] [stderr] Compiling convert_case v0.4.0 [INFO] [stderr] Compiling indenter v0.3.4 [INFO] [stderr] Compiling easy-cast v0.4.4 [INFO] [stderr] Compiling syn v2.0.108 [INFO] [stderr] Compiling mathru v0.12.0 [INFO] [stderr] Compiling eyre v0.6.12 [INFO] [stderr] Compiling average v0.13.1 [INFO] [stderr] Compiling derive_more v0.99.20 [INFO] [stderr] Compiling memestat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `v` is never read [INFO] [stdout] --> src/stats/sample.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | v: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.60s [INFO] running `Command { std: "docker" "inspect" "2e6a91aa603a487067b33b73fc409b9d1b42e18a9279a380abb186454890f833", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2e6a91aa603a487067b33b73fc409b9d1b42e18a9279a380abb186454890f833", kill_on_drop: false }` [INFO] [stdout] 2e6a91aa603a487067b33b73fc409b9d1b42e18a9279a380abb186454890f833 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2880cd24d4afac801cf36fd94ec367be2cbcd1ac310377e2a1518b2c606e7e0b [INFO] running `Command { std: "docker" "start" "-a" "2880cd24d4afac801cf36fd94ec367be2cbcd1ac310377e2a1518b2c606e7e0b", kill_on_drop: false }` [INFO] [stderr] Compiling memestat v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `v` is never read [INFO] [stdout] --> src/stats/sample.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | v: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `v` is never read [INFO] [stdout] --> src/stats/sample.rs:10:5 [INFO] [stdout] | [INFO] [stdout] 10 | v: Vec, [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] note: the lint level is defined here [INFO] [stdout] --> src/lib.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | unused, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.48s [INFO] running `Command { std: "docker" "inspect" "2880cd24d4afac801cf36fd94ec367be2cbcd1ac310377e2a1518b2c606e7e0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2880cd24d4afac801cf36fd94ec367be2cbcd1ac310377e2a1518b2c606e7e0b", kill_on_drop: false }` [INFO] [stdout] 2880cd24d4afac801cf36fd94ec367be2cbcd1ac310377e2a1518b2c606e7e0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] f8d0f047cbcc305fbd8183953c555863350f4511c72876c4d62f0167826ce5d3 [INFO] running `Command { std: "docker" "start" "-a" "f8d0f047cbcc305fbd8183953c555863350f4511c72876c4d62f0167826ce5d3", kill_on_drop: false }` [INFO] [stderr] warning: value assigned to `v` is never read [INFO] [stderr] --> src/stats/sample.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | v: Vec, [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] note: the lint level is defined here [INFO] [stderr] --> src/lib.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | unused, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] = note: `#[warn(unused_assignments)]` implied by `#[warn(unused)]` [INFO] [stderr] [INFO] [stderr] warning: `memestat` (lib) generated 1 warning [INFO] [stderr] warning: `memestat` (lib test) generated 1 warning (1 duplicate) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/memestat-efe4e2df434119ae) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] [stderr] Doc-tests memestat [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "f8d0f047cbcc305fbd8183953c555863350f4511c72876c4d62f0167826ce5d3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f8d0f047cbcc305fbd8183953c555863350f4511c72876c4d62f0167826ce5d3", kill_on_drop: false }` [INFO] [stdout] f8d0f047cbcc305fbd8183953c555863350f4511c72876c4d62f0167826ce5d3