[INFO] fetching crate reed-solomon-32 2.0.2... [INFO] checking reed-solomon-32-2.0.2 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate reed-solomon-32 2.0.2 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate reed-solomon-32 2.0.2 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 reed-solomon-32 2.0.2 [INFO] finished tweaking crates.io crate reed-solomon-32 2.0.2 [INFO] tweaked toml for crates.io crate reed-solomon-32 2.0.2 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate reed-solomon-32 2.0.2 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] Downloading crates ... [INFO] [stderr] Downloaded bumpalo v3.8.0 [INFO] [stderr] Downloaded serde_json v1.0.71 [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] 0e7d9d07198a5cd3b0b8a4a08e59aff16aa429959ba9af72af4286af4dd89b97 [INFO] running `Command { std: "docker" "start" "-a" "0e7d9d07198a5cd3b0b8a4a08e59aff16aa429959ba9af72af4286af4dd89b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0e7d9d07198a5cd3b0b8a4a08e59aff16aa429959ba9af72af4286af4dd89b97", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0e7d9d07198a5cd3b0b8a4a08e59aff16aa429959ba9af72af4286af4dd89b97", kill_on_drop: false }` [INFO] [stdout] 0e7d9d07198a5cd3b0b8a4a08e59aff16aa429959ba9af72af4286af4dd89b97 [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] ef158402a0f7cb4f6e9d5471b1f3034fdb352612cbaea7e9d76f5c74e1bdf252 [INFO] running `Command { std: "docker" "start" "-a" "ef158402a0f7cb4f6e9d5471b1f3034fdb352612cbaea7e9d76f5c74e1bdf252", kill_on_drop: false }` [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking reed-solomon-32 v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/encoder_impl.rs:154:48 [INFO] [stdout] | [INFO] [stdout] 154 | data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 154 - data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] 154 + data_out[i + j] ^= gf::EXP[lcoef + lgen[j] as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stdout] warning: method `add_assign` is never used [INFO] [stdout] --> src/gf/poly_math.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Add { [INFO] [stdout] | --- method in this trait [INFO] [stdout] 11 | fn add(&self, rhs: &Self) -> Polynom; [INFO] [stdout] 12 | fn add_assign(&mut self, rhs: &Self) -> &mut Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/encoder_impl.rs:154:48 [INFO] [stdout] | [INFO] [stdout] 154 | data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 154 - data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] 154 + data_out[i + j] ^= gf::EXP[lcoef + lgen[j] as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_assign` is never used [INFO] [stdout] --> src/gf/poly_math.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Add { [INFO] [stdout] | --- method in this trait [INFO] [stdout] 11 | fn add(&self, rhs: &Self) -> Polynom; [INFO] [stdout] 12 | fn add_assign(&mut self, rhs: &Self) -> &mut Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.54s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ef158402a0f7cb4f6e9d5471b1f3034fdb352612cbaea7e9d76f5c74e1bdf252", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ef158402a0f7cb4f6e9d5471b1f3034fdb352612cbaea7e9d76f5c74e1bdf252", kill_on_drop: false }` [INFO] [stdout] ef158402a0f7cb4f6e9d5471b1f3034fdb352612cbaea7e9d76f5c74e1bdf252 [INFO] checking reed-solomon-32-2.0.2 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate reed-solomon-32 2.0.2 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate reed-solomon-32 2.0.2 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 reed-solomon-32 2.0.2 [INFO] finished tweaking crates.io crate reed-solomon-32 2.0.2 [INFO] tweaked toml for crates.io crate reed-solomon-32 2.0.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate reed-solomon-32 2.0.2 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-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 45ae614898a2572d56dc0104e01d9f0c0cead6df466fa4c22d8302b9ca80c11a [INFO] running `Command { std: "docker" "start" "-a" "45ae614898a2572d56dc0104e01d9f0c0cead6df466fa4c22d8302b9ca80c11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "45ae614898a2572d56dc0104e01d9f0c0cead6df466fa4c22d8302b9ca80c11a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "45ae614898a2572d56dc0104e01d9f0c0cead6df466fa4c22d8302b9ca80c11a", kill_on_drop: false }` [INFO] [stdout] 45ae614898a2572d56dc0104e01d9f0c0cead6df466fa4c22d8302b9ca80c11a [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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] fd376d9f56ff94e9795e1c003c689e4d431bb06e65beb0c44385d7ed1c7a270a [INFO] running `Command { std: "docker" "start" "-a" "fd376d9f56ff94e9795e1c003c689e4d431bb06e65beb0c44385d7ed1c7a270a", kill_on_drop: false }` [INFO] [stderr] Compiling semver v1.0.4 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling serde v1.0.130 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling ryu v1.0.5 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Checking either v1.6.1 [INFO] [stderr] Compiling serde_json v1.0.71 [INFO] [stderr] Compiling syn v1.0.81 [INFO] [stderr] Checking itoa v0.4.8 [INFO] [stderr] Compiling cast v0.2.7 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Checking crossbeam-deque v0.8.1 [INFO] [stderr] Checking num_cpus v1.13.0 [INFO] [stderr] Checking crossbeam-channel v0.5.1 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Checking plotters-backend v0.3.2 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Checking regex-automata v0.1.10 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking csv-core v0.1.10 [INFO] [stderr] Checking plotters-svg v0.3.1 [INFO] [stderr] Checking itertools v0.10.1 [INFO] [stderr] Checking half v1.8.2 [INFO] [stderr] Checking regex-syntax v0.6.25 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking walkdir v2.3.2 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking oorandom v11.1.3 [INFO] [stderr] Checking reed-solomon-32 v2.0.2 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/encoder_impl.rs:154:48 [INFO] [stdout] | [INFO] [stdout] 154 | data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 154 - data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] 154 + data_out[i + j] ^= gf::EXP[lcoef + lgen[j] as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_assign` is never used [INFO] [stdout] --> src/gf/poly_math.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Add { [INFO] [stdout] | --- method in this trait [INFO] [stdout] 11 | fn add(&self, rhs: &Self) -> Polynom; [INFO] [stdout] 12 | fn add_assign(&mut self, rhs: &Self) -> &mut Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking plotters v0.3.1 [INFO] [stderr] Checking criterion-plot v0.4.4 [INFO] [stderr] Checking regex v1.5.4 [INFO] [stderr] Checking bstr v0.2.17 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking csv v1.1.6 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion v0.3.5 [INFO] [stdout] warning: unnecessary parentheses around index expression [INFO] [stdout] --> src/encoder_impl.rs:154:48 [INFO] [stdout] | [INFO] [stdout] 154 | data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] | ^ ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] 154 - data_out[i + j] ^= gf::EXP[(lcoef + lgen[j] as usize)]; [INFO] [stdout] 154 + data_out[i + j] ^= gf::EXP[lcoef + lgen[j] as usize]; [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `add_assign` is never used [INFO] [stdout] --> src/gf/poly_math.rs:12:8 [INFO] [stdout] | [INFO] [stdout] 10 | pub trait Add { [INFO] [stdout] | --- method in this trait [INFO] [stdout] 11 | fn add(&self, rhs: &Self) -> Polynom; [INFO] [stdout] 12 | fn add_assign(&mut self, rhs: &Self) -> &mut Self; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.06s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: criterion v0.3.5 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "fd376d9f56ff94e9795e1c003c689e4d431bb06e65beb0c44385d7ed1c7a270a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fd376d9f56ff94e9795e1c003c689e4d431bb06e65beb0c44385d7ed1c7a270a", kill_on_drop: false }` [INFO] [stdout] fd376d9f56ff94e9795e1c003c689e4d431bb06e65beb0c44385d7ed1c7a270a