[INFO] fetching crate qbsdiff_test_bench_utils 0.1.2... [INFO] checking qbsdiff_test_bench_utils-0.1.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate qbsdiff_test_bench_utils 0.1.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate qbsdiff_test_bench_utils 0.1.2 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qbsdiff_test_bench_utils 0.1.2 [INFO] finished tweaking crates.io crate qbsdiff_test_bench_utils 0.1.2 [INFO] tweaked toml for crates.io crate qbsdiff_test_bench_utils 0.1.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 71 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding globwalk v0.8.1 (latest: v0.9.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded suffix_array v0.5.0 [INFO] [stderr] Downloaded cdivsufsort v2.0.0 [INFO] [stderr] Downloaded sacabase v2.0.0 [INFO] [stderr] Downloaded qbsdiff v1.4.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 86c0788ed071fcdabb0a3cc43638a98e1906e70d4545b3e6de4f6bc4fbe6d8ae [INFO] running `Command { std: "docker" "start" "-a" "86c0788ed071fcdabb0a3cc43638a98e1906e70d4545b3e6de4f6bc4fbe6d8ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "86c0788ed071fcdabb0a3cc43638a98e1906e70d4545b3e6de4f6bc4fbe6d8ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86c0788ed071fcdabb0a3cc43638a98e1906e70d4545b3e6de4f6bc4fbe6d8ae", kill_on_drop: false }` [INFO] [stdout] 86c0788ed071fcdabb0a3cc43638a98e1906e70d4545b3e6de4f6bc4fbe6d8ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 815eb6540d5924074efd018e77147937b2f917e81d8c1acb1ae86836d0505c1f [INFO] running `Command { std: "docker" "start" "-a" "815eb6540d5924074efd018e77147937b2f917e81d8c1acb1ae86836d0505c1f", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling cdivsufsort v2.0.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking sacabase v2.0.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking suffix_array v0.5.0 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking qbsdiff v1.4.1 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking qbsdiff_test_bench_utils v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `random` is already imported here [INFO] [stdout] 12 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `random` is already imported here [INFO] [stdout] 12 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.14s [INFO] running `Command { std: "docker" "inspect" "815eb6540d5924074efd018e77147937b2f917e81d8c1acb1ae86836d0505c1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "815eb6540d5924074efd018e77147937b2f917e81d8c1acb1ae86836d0505c1f", kill_on_drop: false }` [INFO] [stdout] 815eb6540d5924074efd018e77147937b2f917e81d8c1acb1ae86836d0505c1f [INFO] checking qbsdiff_test_bench_utils-0.1.2 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate qbsdiff_test_bench_utils 0.1.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate qbsdiff_test_bench_utils 0.1.2 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate qbsdiff_test_bench_utils 0.1.2 [INFO] finished tweaking crates.io crate qbsdiff_test_bench_utils 0.1.2 [INFO] tweaked toml for crates.io crate qbsdiff_test_bench_utils 0.1.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 71 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding globwalk v0.8.1 (latest: v0.9.1) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] [stderr] Adding windows-core v0.52.0 (latest: v0.55.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8dff9eda0f61206931f00615c31804996e8fa0a476ea53baae5959cf62f909cd [INFO] running `Command { std: "docker" "start" "-a" "8dff9eda0f61206931f00615c31804996e8fa0a476ea53baae5959cf62f909cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8dff9eda0f61206931f00615c31804996e8fa0a476ea53baae5959cf62f909cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8dff9eda0f61206931f00615c31804996e8fa0a476ea53baae5959cf62f909cd", kill_on_drop: false }` [INFO] [stdout] 8dff9eda0f61206931f00615c31804996e8fa0a476ea53baae5959cf62f909cd [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=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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a3bfd1368352c42d64c5f8a2e41fd02a85401d20cea43b6ae852c3545fd4fda [INFO] running `Command { std: "docker" "start" "-a" "7a3bfd1368352c42d64c5f8a2e41fd02a85401d20cea43b6ae852c3545fd4fda", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.19 [INFO] [stderr] Compiling pkg-config v0.3.30 [INFO] [stderr] Compiling rayon-core v1.12.1 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking same-file v1.0.6 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking bitflags v1.3.2 [INFO] [stderr] Checking iana-time-zone v0.1.60 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Compiling cdivsufsort v2.0.0 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking bstr v1.9.1 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Compiling bzip2-sys v0.1.11+1.0.8 [INFO] [stderr] Checking crossbeam-epoch v0.9.18 [INFO] [stderr] Checking crossbeam-deque v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking sacabase v2.0.0 [INFO] [stderr] Checking chrono v0.4.37 [INFO] [stderr] Checking suffix_array v0.5.0 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking globset v0.4.14 [INFO] [stderr] Checking ignore v0.4.22 [INFO] [stderr] Checking qbsdiff v1.4.1 [INFO] [stderr] Checking globwalk v0.8.1 [INFO] [stderr] Checking qbsdiff_test_bench_utils v0.1.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `random` is already imported here [INFO] [stdout] 12 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `random` is imported redundantly [INFO] [stdout] --> src/lib.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 11 | use rand::prelude::*; [INFO] [stdout] | ---------------- the item `random` is already imported here [INFO] [stdout] 12 | use rand::random; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.90s [INFO] running `Command { std: "docker" "inspect" "7a3bfd1368352c42d64c5f8a2e41fd02a85401d20cea43b6ae852c3545fd4fda", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a3bfd1368352c42d64c5f8a2e41fd02a85401d20cea43b6ae852c3545fd4fda", kill_on_drop: false }` [INFO] [stdout] 7a3bfd1368352c42d64c5f8a2e41fd02a85401d20cea43b6ae852c3545fd4fda