[INFO] fetching crate corncobs 0.1.3... [INFO] checking corncobs-0.1.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate corncobs 0.1.3 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate corncobs 0.1.3 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 corncobs 0.1.3 [INFO] finished tweaking crates.io crate corncobs 0.1.3 [INFO] tweaked toml for crates.io crate corncobs 0.1.3 written to /workspace/builds/worker-3-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] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cobs v0.1.4 (latest: v0.2.3) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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 cobs v0.1.4 [INFO] [stderr] Downloaded postcard-cobs v0.2.0 [INFO] [stderr] Downloaded cobs-rs v1.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3a76dffb6876518fc81951716b47dd01ea004371991ee42fdd6af276a3c84987 [INFO] running `Command { std: "docker" "start" "-a" "3a76dffb6876518fc81951716b47dd01ea004371991ee42fdd6af276a3c84987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "3a76dffb6876518fc81951716b47dd01ea004371991ee42fdd6af276a3c84987", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3a76dffb6876518fc81951716b47dd01ea004371991ee42fdd6af276a3c84987", kill_on_drop: false }` [INFO] [stdout] 3a76dffb6876518fc81951716b47dd01ea004371991ee42fdd6af276a3c84987 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 54118a507cadb466e6d9b2642b47dfd74f43ef59ebd1553aa890d627812e1d30 [INFO] running `Command { std: "docker" "start" "-a" "54118a507cadb466e6d9b2642b47dfd74f43ef59ebd1553aa890d627812e1d30", kill_on_drop: false }` [INFO] [stderr] Checking cobs v0.1.4 [INFO] [stderr] Checking cobs-rs v1.1.2 [INFO] [stderr] Checking postcard-cobs v0.2.0 [INFO] [stderr] Checking corncobs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut ary: [u8; 0] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut ary: [u8; 1] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | let mut ary: [u8; 2] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut ary: [u8; 4] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RANDOM_1024` is never used [INFO] [stdout] --> tests/compat.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const RANDOM_1024: [u8; 1024] = *include_bytes!("../benches/random-1k.bin"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ZERO_1024` is never used [INFO] [stdout] --> tests/compat.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const ZERO_1024: [u8; 1024] = *include_bytes!("../benches/zero-1k.bin"); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FF_1024` is never used [INFO] [stdout] --> tests/compat.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const FF_1024: [u8; 1024] = *include_bytes!("../benches/ff-1k.bin"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.81s [INFO] running `Command { std: "docker" "inspect" "54118a507cadb466e6d9b2642b47dfd74f43ef59ebd1553aa890d627812e1d30", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "54118a507cadb466e6d9b2642b47dfd74f43ef59ebd1553aa890d627812e1d30", kill_on_drop: false }` [INFO] [stdout] 54118a507cadb466e6d9b2642b47dfd74f43ef59ebd1553aa890d627812e1d30 [INFO] checking corncobs-0.1.3 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate corncobs 0.1.3 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate corncobs 0.1.3 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 corncobs 0.1.3 [INFO] finished tweaking crates.io crate corncobs 0.1.3 [INFO] tweaked toml for crates.io crate corncobs 0.1.3 written to /workspace/builds/worker-3-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 64 packages [INFO] [stderr] Adding bitflags v1.3.2 (latest: v2.5.0) [INFO] [stderr] Adding clap v2.34.0 (latest: v4.5.4) [INFO] [stderr] Adding cobs v0.1.4 (latest: v0.2.3) [INFO] [stderr] Adding criterion v0.3.6 (latest: v0.5.1) [INFO] [stderr] Adding criterion-plot v0.4.5 (latest: v0.5.0) [INFO] [stderr] Adding half v1.8.3 (latest: v2.4.0) [INFO] [stderr] Adding hermit-abi v0.1.19 (latest: v0.3.9) [INFO] [stderr] Adding itertools v0.10.5 (latest: v0.12.1) [INFO] [stderr] Adding textwrap v0.11.0 (latest: v0.16.1) [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-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] d3ff42bf2858c6fd13cc206965b1aa7fc58d1cf2954b79c26c8257ac41fd6494 [INFO] running `Command { std: "docker" "start" "-a" "d3ff42bf2858c6fd13cc206965b1aa7fc58d1cf2954b79c26c8257ac41fd6494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "d3ff42bf2858c6fd13cc206965b1aa7fc58d1cf2954b79c26c8257ac41fd6494", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d3ff42bf2858c6fd13cc206965b1aa7fc58d1cf2954b79c26c8257ac41fd6494", kill_on_drop: false }` [INFO] [stdout] d3ff42bf2858c6fd13cc206965b1aa7fc58d1cf2954b79c26c8257ac41fd6494 [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" "-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] 2864aebc2b2604ea18ad40d0d2509f67a72df5b8b6cef305c6052ee2f0352a6e [INFO] running `Command { std: "docker" "start" "-a" "2864aebc2b2604ea18ad40d0d2509f67a72df5b8b6cef305c6052ee2f0352a6e", kill_on_drop: false }` [INFO] [stderr] Checking cobs v0.1.4 [INFO] [stderr] Checking postcard-cobs v0.2.0 [INFO] [stderr] Checking cobs-rs v1.1.2 [INFO] [stderr] Checking corncobs v0.1.3 (/opt/rustwide/workdir) [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:30:21 [INFO] [stdout] | [INFO] [stdout] 30 | let mut ary: [u8; 0] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:34:21 [INFO] [stdout] | [INFO] [stdout] 34 | let mut ary: [u8; 1] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:38:21 [INFO] [stdout] | [INFO] [stdout] 38 | let mut ary: [u8; 2] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> tests/compat.rs:42:21 [INFO] [stdout] | [INFO] [stdout] 42 | let mut ary: [u8; 4] = (*input).try_into().unwrap(); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `RANDOM_1024` is never used [INFO] [stdout] --> tests/compat.rs:9:7 [INFO] [stdout] | [INFO] [stdout] 9 | const RANDOM_1024: [u8; 1024] = *include_bytes!("../benches/random-1k.bin"); [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `ZERO_1024` is never used [INFO] [stdout] --> tests/compat.rs:10:7 [INFO] [stdout] | [INFO] [stdout] 10 | const ZERO_1024: [u8; 1024] = *include_bytes!("../benches/zero-1k.bin"); [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant `FF_1024` is never used [INFO] [stdout] --> tests/compat.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | const FF_1024: [u8; 1024] = *include_bytes!("../benches/ff-1k.bin"); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.76s [INFO] running `Command { std: "docker" "inspect" "2864aebc2b2604ea18ad40d0d2509f67a72df5b8b6cef305c6052ee2f0352a6e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2864aebc2b2604ea18ad40d0d2509f67a72df5b8b6cef305c6052ee2f0352a6e", kill_on_drop: false }` [INFO] [stdout] 2864aebc2b2604ea18ad40d0d2509f67a72df5b8b6cef305c6052ee2f0352a6e