[INFO] fetching crate triangular 0.1.1... [INFO] checking triangular-0.1.1 against try#21cad1f647cfd05a566220f933edd88a53e50bcf for pr-129249-1 [INFO] extracting crate triangular 0.1.1 into /workspace/builds/worker-2-tc2/source [INFO] started tweaking crates.io crate triangular 0.1.1 [INFO] finished tweaking crates.io crate triangular 0.1.1 [INFO] tweaked toml for crates.io crate triangular 0.1.1 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate triangular 0.1.1 on toolchain 21cad1f647cfd05a566220f933edd88a53e50bcf [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 92 packages to latest compatible versions [INFO] [stderr] Adding cgmath v0.17.0 (available: v0.18.0) [INFO] [stderr] Adding criterion v0.3.6 (available: v0.8.2) [INFO] [stderr] Adding rand v0.7.3 (available: v0.10.1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "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/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }` [INFO] [stdout] 4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10 [INFO] running `Command { std: "docker" "start" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10" "/opt/rustwide/cargo-home/bin/cargo" "+21cad1f647cfd05a566220f933edd88a53e50bcf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.8 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling zerocopy v0.8.52 [INFO] [stderr] Checking either v1.16.0 [INFO] [stderr] Checking serde v1.0.228 [INFO] [stderr] Checking rand_os v0.1.3 [INFO] [stderr] Checking regex-syntax v0.8.11 [INFO] [stderr] Compiling cgmath v0.17.0 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking serde_json v1.0.150 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Compiling syn v2.0.118 [INFO] [stderr] Checking csv-core v0.1.13 [INFO] [stderr] Checking approx v0.3.2 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Checking half v1.8.3 [INFO] [stderr] Checking clap v2.34.0 [INFO] [stderr] Checking serde_cbor v0.11.2 [INFO] [stderr] Checking regex-automata v0.4.14 [INFO] [stderr] Checking tinytemplate v1.2.1 [INFO] [stderr] Checking criterion-plot v0.4.5 [INFO] [stderr] Checking csv v1.4.0 [INFO] [stderr] Checking plotters v0.3.7 [INFO] [stderr] Checking rayon v1.12.0 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking regex v1.12.4 [INFO] [stderr] Checking triangular v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] error: useless conversion to the same type: `usize` [INFO] [stdout] --> src/lib.rs:173:13 [INFO] [stdout] | [INFO] [stdout] 173 | self.a.get_index().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] = note: `#[deny(self_type_conversion)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `usize` [INFO] [stdout] --> src/lib.rs:174:13 [INFO] [stdout] | [INFO] [stdout] 174 | self.b.get_index().into(), [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: useless conversion to the same type: `usize` [INFO] [stdout] --> src/lib.rs:175:13 [INFO] [stdout] | [INFO] [stdout] 175 | self.c.get_index().into() [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this method call relies on the `impl Into for T` blanket implementation and type inference, which is a semver hazard as a new `impl Into<_>` that affects your type might be added in the future causing type inference errors [INFO] [stdout] = note: you can instead use the fully-qualified path `::into(val) to avoid triggering this lint [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `triangular` (lib) due to 3 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10", kill_on_drop: false }` [INFO] [stdout] 4daddd4ee34b600410b305783d1ac78cbbfcaa3910276acecda1806bdf309e10