[INFO] fetching crate lms_lib 0.4.0... [INFO] checking lms_lib-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate lms_lib 0.4.0 into /workspace/builds/worker-0-tc1/source [INFO] validating manifest of crates.io crate lms_lib 0.4.0 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 lms_lib 0.4.0 [INFO] finished tweaking crates.io crate lms_lib 0.4.0 [INFO] tweaked toml for crates.io crate lms_lib 0.4.0 written to /workspace/builds/worker-0-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] Updating crates.io index [INFO] [stderr] Locking 45 packages [INFO] [stderr] Adding ahash v0.3.8 (latest: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding blake2 v0.9.2 (latest: v0.10.6) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding crypto-mac v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding hashbrown v0.8.2 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding yaml-rust v0.3.5 (latest: v0.4.5) [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] Downloading crates ... [INFO] [stderr] Downloaded hashbrown v0.8.2 [INFO] [stderr] Downloaded blake2 v0.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 01b8eff5311a2394be37150fca39d1472a55cda7ac706a950af9f6ffb7cad6b5 [INFO] running `Command { std: "docker" "start" "-a" "01b8eff5311a2394be37150fca39d1472a55cda7ac706a950af9f6ffb7cad6b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "01b8eff5311a2394be37150fca39d1472a55cda7ac706a950af9f6ffb7cad6b5", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "01b8eff5311a2394be37150fca39d1472a55cda7ac706a950af9f6ffb7cad6b5", kill_on_drop: false }` [INFO] [stdout] 01b8eff5311a2394be37150fca39d1472a55cda7ac706a950af9f6ffb7cad6b5 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] ede1ad4d555b669cf0c9739fa849812cdcb6b516e924ae9e89b4bbfd46cba355 [INFO] running `Command { std: "docker" "start" "-a" "ede1ad4d555b669cf0c9739fa849812cdcb6b516e924ae9e89b4bbfd46cba355", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking blake2 v0.9.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking lms_lib v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `seahash` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use seahash; [INFO] [stdout] | ^^^^^^^ the item `seahash` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `seahash` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use seahash; [INFO] [stdout] | ^^^^^^^ the item `seahash` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.65s [INFO] running `Command { std: "docker" "inspect" "ede1ad4d555b669cf0c9739fa849812cdcb6b516e924ae9e89b4bbfd46cba355", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ede1ad4d555b669cf0c9739fa849812cdcb6b516e924ae9e89b4bbfd46cba355", kill_on_drop: false }` [INFO] [stdout] ede1ad4d555b669cf0c9739fa849812cdcb6b516e924ae9e89b4bbfd46cba355 [INFO] checking lms_lib-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate lms_lib 0.4.0 into /workspace/builds/worker-0-tc2/source [INFO] validating manifest of crates.io crate lms_lib 0.4.0 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 lms_lib 0.4.0 [INFO] finished tweaking crates.io crate lms_lib 0.4.0 [INFO] tweaked toml for crates.io crate lms_lib 0.4.0 written to /workspace/builds/worker-0-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] Locking 45 packages [INFO] [stderr] Adding ahash v0.3.8 (latest: v0.8.11) [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding blake2 v0.9.2 (latest: v0.10.6) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding crypto-mac v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding digest v0.9.0 (latest: v0.10.7) [INFO] [stderr] Adding env_logger v0.7.1 (latest: v0.11.3) [INFO] [stderr] Adding generic-array v0.14.7 (latest: v1.0.0) [INFO] [stderr] Adding hashbrown v0.8.2 (latest: v0.14.3) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding humantime v1.3.0 (latest: v2.1.0) [INFO] [stderr] Adding quick-error v1.2.3 (latest: v2.0.1) [INFO] [stderr] Adding strsim v0.8.0 (latest: v0.11.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [INFO] [stderr] Adding yaml-rust v0.3.5 (latest: v0.4.5) [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] 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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8e6171eeebbe932e6b41d310a15c70d65dd05db555a8d103adc1bcb860ca0ef7 [INFO] running `Command { std: "docker" "start" "-a" "8e6171eeebbe932e6b41d310a15c70d65dd05db555a8d103adc1bcb860ca0ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8e6171eeebbe932e6b41d310a15c70d65dd05db555a8d103adc1bcb860ca0ef7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8e6171eeebbe932e6b41d310a15c70d65dd05db555a8d103adc1bcb860ca0ef7", kill_on_drop: false }` [INFO] [stdout] 8e6171eeebbe932e6b41d310a15c70d65dd05db555a8d103adc1bcb860ca0ef7 [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=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] f52e776cac24ed7c222b4dabc661e8aede73d398f10097cc5fe48e5d8df603f1 [INFO] running `Command { std: "docker" "start" "-a" "f52e776cac24ed7c222b4dabc661e8aede73d398f10097cc5fe48e5d8df603f1", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking subtle v2.5.0 [INFO] [stderr] Checking either v1.10.0 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking yaml-rust v0.3.5 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling hashbrown v0.8.2 [INFO] [stderr] Checking humantime v1.3.0 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking ahash v0.3.8 [INFO] [stderr] Checking ansi_term v0.12.1 [INFO] [stderr] Checking digest v0.9.0 [INFO] [stderr] Checking seahash v4.1.0 [INFO] [stderr] Checking crypto-mac v0.8.0 [INFO] [stderr] Checking rayon v1.10.0 [INFO] [stderr] Checking blake2 v0.9.2 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking regex-automata v0.4.6 [INFO] [stderr] Checking regex v1.10.4 [INFO] [stderr] Checking env_logger v0.7.1 [INFO] [stderr] Checking lms_lib v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `seahash` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use seahash; [INFO] [stdout] | ^^^^^^^ the item `seahash` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Sync` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::marker::Sync; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `Sync` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `seahash` is imported redundantly [INFO] [stdout] --> src/file_ops.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use seahash; [INFO] [stdout] | ^^^^^^^ the item `seahash` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.49s [INFO] running `Command { std: "docker" "inspect" "f52e776cac24ed7c222b4dabc661e8aede73d398f10097cc5fe48e5d8df603f1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f52e776cac24ed7c222b4dabc661e8aede73d398f10097cc5fe48e5d8df603f1", kill_on_drop: false }` [INFO] [stdout] f52e776cac24ed7c222b4dabc661e8aede73d398f10097cc5fe48e5d8df603f1