[INFO] fetching crate tuple-conv 1.0.1... [INFO] checking tuple-conv-1.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate tuple-conv 1.0.1 into /workspace/builds/worker-4-tc1/source [INFO] validating manifest of crates.io crate tuple-conv 1.0.1 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 tuple-conv 1.0.1 [INFO] finished tweaking crates.io crate tuple-conv 1.0.1 [INFO] tweaked toml for crates.io crate tuple-conv 1.0.1 written to /workspace/builds/worker-4-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 61 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 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] db12abc5d91b2c2203cbcb27ad0b3743aecba4156239caabcd48ca9a93e16c44 [INFO] running `Command { std: "docker" "start" "-a" "db12abc5d91b2c2203cbcb27ad0b3743aecba4156239caabcd48ca9a93e16c44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db12abc5d91b2c2203cbcb27ad0b3743aecba4156239caabcd48ca9a93e16c44", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db12abc5d91b2c2203cbcb27ad0b3743aecba4156239caabcd48ca9a93e16c44", kill_on_drop: false }` [INFO] [stdout] db12abc5d91b2c2203cbcb27ad0b3743aecba4156239caabcd48ca9a93e16c44 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 8463ff0210d8629b36f4f244b5c97a06002bb8754b44af0efd304c07a3b29b81 [INFO] running `Command { std: "docker" "start" "-a" "8463ff0210d8629b36f4f244b5c97a06002bb8754b44af0efd304c07a3b29b81", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking tuple-conv v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:338:22 [INFO] [stdout] | [INFO] [stdout] 338 | assert!(b == Box::new([1])); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:342:22 [INFO] [stdout] | [INFO] [stdout] 342 | assert!(b == Box::new([3, 2, 1])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:346:22 [INFO] [stdout] | [INFO] [stdout] 346 | assert!(b == Box::new(long!(slice_reversed))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:353:22 [INFO] [stdout] | [INFO] [stdout] 353 | assert!(b == Box::new([1, 2, 3])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.36s [INFO] running `Command { std: "docker" "inspect" "8463ff0210d8629b36f4f244b5c97a06002bb8754b44af0efd304c07a3b29b81", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8463ff0210d8629b36f4f244b5c97a06002bb8754b44af0efd304c07a3b29b81", kill_on_drop: false }` [INFO] [stdout] 8463ff0210d8629b36f4f244b5c97a06002bb8754b44af0efd304c07a3b29b81 [INFO] checking tuple-conv-1.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate tuple-conv 1.0.1 into /workspace/builds/worker-4-tc2/source [INFO] validating manifest of crates.io crate tuple-conv 1.0.1 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate tuple-conv 1.0.1 [INFO] finished tweaking crates.io crate tuple-conv 1.0.1 [INFO] tweaked toml for crates.io crate tuple-conv 1.0.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fd39071c7d715d45e38682e8f8d3f54d7e80d7d5b70aff5bb5a1dc9daf5a8df1 [INFO] running `Command { std: "docker" "start" "-a" "fd39071c7d715d45e38682e8f8d3f54d7e80d7d5b70aff5bb5a1dc9daf5a8df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fd39071c7d715d45e38682e8f8d3f54d7e80d7d5b70aff5bb5a1dc9daf5a8df1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd39071c7d715d45e38682e8f8d3f54d7e80d7d5b70aff5bb5a1dc9daf5a8df1", kill_on_drop: false }` [INFO] [stdout] fd39071c7d715d45e38682e8f8d3f54d7e80d7d5b70aff5bb5a1dc9daf5a8df1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b16079887365d902401dd4c05a56e1c22ccf3f3b6345b3a077c212394c51e1ef [INFO] running `Command { std: "docker" "start" "-a" "b16079887365d902401dd4c05a56e1c22ccf3f3b6345b3a077c212394c51e1ef", kill_on_drop: false }` [INFO] [stderr] Compiling serde v1.0.197 [INFO] [stderr] Compiling libc v0.2.153 [INFO] [stderr] Checking plotters-backend v0.3.5 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking unicode-width v0.1.11 [INFO] [stderr] Compiling num-traits v0.2.18 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking cast v0.3.0 [INFO] [stderr] Checking walkdir v2.5.0 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking tuple-conv v1.0.1 (/opt/rustwide/workdir) [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking plotters-svg v0.3.5 [INFO] [stderr] Checking csv-core v0.1.11 [INFO] [stderr] Checking plotters v0.3.5 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking serde_json v1.0.115 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.3.0 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Compiling serde_derive v1.0.197 [INFO] [stderr] Checking criterion v0.3.6 [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:338:22 [INFO] [stdout] | [INFO] [stdout] 338 | assert!(b == Box::new([1])); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_allocation)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:342:22 [INFO] [stdout] | [INFO] [stdout] 342 | assert!(b == Box::new([3, 2, 1])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:346:22 [INFO] [stdout] | [INFO] [stdout] 346 | assert!(b == Box::new(long!(slice_reversed))); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary allocation, use `&` instead [INFO] [stdout] --> src/lib.rs:353:22 [INFO] [stdout] | [INFO] [stdout] 353 | assert!(b == Box::new([1, 2, 3])); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.60s [INFO] running `Command { std: "docker" "inspect" "b16079887365d902401dd4c05a56e1c22ccf3f3b6345b3a077c212394c51e1ef", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b16079887365d902401dd4c05a56e1c22ccf3f3b6345b3a077c212394c51e1ef", kill_on_drop: false }` [INFO] [stdout] b16079887365d902401dd4c05a56e1c22ccf3f3b6345b3a077c212394c51e1ef