[INFO] cloning repository https://github.com/nickpourazima/rf-mixer [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nickpourazima/rf-mixer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickpourazima%2Frf-mixer", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickpourazima%2Frf-mixer'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] ed296515cf33334752b797e3bb53d06ec7d7bdf1 [INFO] checking nickpourazima/rf-mixer against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickpourazima%2Frf-mixer" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickpourazima/rf-mixer 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 git repo https://github.com/nickpourazima/rf-mixer [INFO] finished tweaking git repo https://github.com/nickpourazima/rf-mixer [INFO] tweaked toml for git repo https://github.com/nickpourazima/rf-mixer written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/nickpourazima/rf-mixer already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded convolve2d v0.1.0 [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] c478a3b14a3480df71308c9fc9135ff2b2dc730361c8f1693115c5bfcb5c9114 [INFO] running `Command { std: "docker" "start" "-a" "c478a3b14a3480df71308c9fc9135ff2b2dc730361c8f1693115c5bfcb5c9114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c478a3b14a3480df71308c9fc9135ff2b2dc730361c8f1693115c5bfcb5c9114", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c478a3b14a3480df71308c9fc9135ff2b2dc730361c8f1693115c5bfcb5c9114", kill_on_drop: false }` [INFO] [stdout] c478a3b14a3480df71308c9fc9135ff2b2dc730361c8f1693115c5bfcb5c9114 [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] ed358a14061842bb126dbeabb388163a73eb23e128ece8ef543bd88408d08976 [INFO] running `Command { std: "docker" "start" "-a" "ed358a14061842bb126dbeabb388163a73eb23e128ece8ef543bd88408d08976", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking convolve2d v0.1.0 [INFO] [stderr] Checking mixer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.61s [INFO] running `Command { std: "docker" "inspect" "ed358a14061842bb126dbeabb388163a73eb23e128ece8ef543bd88408d08976", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ed358a14061842bb126dbeabb388163a73eb23e128ece8ef543bd88408d08976", kill_on_drop: false }` [INFO] [stdout] ed358a14061842bb126dbeabb388163a73eb23e128ece8ef543bd88408d08976 [INFO] checking nickpourazima/rf-mixer against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnickpourazima%2Frf-mixer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/nickpourazima/rf-mixer 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 git repo https://github.com/nickpourazima/rf-mixer [INFO] finished tweaking git repo https://github.com/nickpourazima/rf-mixer [INFO] tweaked toml for git repo https://github.com/nickpourazima/rf-mixer written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/nickpourazima/rf-mixer already has a lockfile, it will not be regenerated [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] eaf3279a75bbc6f9be58f821b794142416a5f2f6680ba0232d68f615e8a83e89 [INFO] running `Command { std: "docker" "start" "-a" "eaf3279a75bbc6f9be58f821b794142416a5f2f6680ba0232d68f615e8a83e89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "eaf3279a75bbc6f9be58f821b794142416a5f2f6680ba0232d68f615e8a83e89", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "eaf3279a75bbc6f9be58f821b794142416a5f2f6680ba0232d68f615e8a83e89", kill_on_drop: false }` [INFO] [stdout] eaf3279a75bbc6f9be58f821b794142416a5f2f6680ba0232d68f615e8a83e89 [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] 86963956c268c5cce60d9c36eb90484d5cb7d58c22ce2027405fd493ebeb5062 [INFO] running `Command { std: "docker" "start" "-a" "86963956c268c5cce60d9c36eb90484d5cb7d58c22ce2027405fd493ebeb5062", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.126 [INFO] [stderr] Compiling crossbeam-utils v0.8.10 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Checking once_cell v1.13.0 [INFO] [stderr] Compiling crossbeam-epoch v0.9.9 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Checking scopeguard v1.1.0 [INFO] [stderr] Compiling memchr v2.5.0 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling num-integer v0.1.45 [INFO] [stderr] Compiling log v0.4.17 [INFO] [stderr] Checking ppv-lite86 v0.2.16 [INFO] [stderr] Checking either v1.7.0 [INFO] [stderr] Checking crossbeam-channel v0.5.5 [INFO] [stderr] Checking rawpointer v0.2.1 [INFO] [stderr] Checking regex-syntax v0.6.27 [INFO] [stderr] Checking matrixmultiply v0.3.2 [INFO] [stderr] Checking getrandom v0.2.7 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.1 [INFO] [stderr] Checking aho-corasick v0.7.18 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking rand_core v0.6.3 [INFO] [stderr] Checking termcolor v1.1.3 [INFO] [stderr] Checking rand_chacha v0.3.1 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking num-complex v0.4.2 [INFO] [stderr] Checking regex v1.6.0 [INFO] [stderr] Checking ndarray v0.15.4 [INFO] [stderr] Checking env_logger v0.9.0 [INFO] [stderr] Checking convolve2d v0.1.0 [INFO] [stderr] Checking mixer v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryFrom` is imported redundantly [INFO] [stdout] --> src/lib.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::convert::TryFrom; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryFrom` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `TryInto` is imported redundantly [INFO] [stdout] --> src/lib.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `TryInto` is already defined here [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `env_logger` is imported redundantly [INFO] [stdout] --> src/lib.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use env_logger; [INFO] [stdout] | ^^^^^^^^^^ the item `env_logger` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.52s [INFO] running `Command { std: "docker" "inspect" "86963956c268c5cce60d9c36eb90484d5cb7d58c22ce2027405fd493ebeb5062", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "86963956c268c5cce60d9c36eb90484d5cb7d58c22ce2027405fd493ebeb5062", kill_on_drop: false }` [INFO] [stdout] 86963956c268c5cce60d9c36eb90484d5cb7d58c22ce2027405fd493ebeb5062