[INFO] fetching crate bingo 0.1.0... [INFO] testing bingo-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7 [INFO] extracting crate bingo 0.1.0 into /workspace/builds/worker-5-tc2/source [INFO] started tweaking crates.io crate bingo 0.1.0 [INFO] finished tweaking crates.io crate bingo 0.1.0 [INFO] tweaked toml for crates.io crate bingo 0.1.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate bingo 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate bingo 0.1.0 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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 031ca792cce9d7da34c880f87fdb430cfd6b5f952cd17897eb2a544f191a47ae [INFO] running `Command { std: "docker" "start" "-a" "031ca792cce9d7da34c880f87fdb430cfd6b5f952cd17897eb2a544f191a47ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "031ca792cce9d7da34c880f87fdb430cfd6b5f952cd17897eb2a544f191a47ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "031ca792cce9d7da34c880f87fdb430cfd6b5f952cd17897eb2a544f191a47ae", kill_on_drop: false }` [INFO] [stdout] 031ca792cce9d7da34c880f87fdb430cfd6b5f952cd17897eb2a544f191a47ae [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 5867aee133be99119ef9b4cf067086adad59b52dd44765b13be7bf7ece0f8202 [INFO] running `Command { std: "docker" "start" "-a" "5867aee133be99119ef9b4cf067086adad59b52dd44765b13be7bf7ece0f8202", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling crossbeam-utils v0.8.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.5 [INFO] [stderr] Compiling libc v0.2.102 [INFO] [stderr] Compiling rayon-core v1.9.1 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling either v1.6.1 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling walkdir v2.3.2 [INFO] [stderr] Compiling memoffset v0.6.4 [INFO] [stderr] Compiling rayon v1.5.1 [INFO] [stderr] Compiling crossbeam-channel v0.5.1 [INFO] [stderr] Compiling aho-corasick v0.7.18 [INFO] [stderr] Compiling crossbeam-deque v0.8.1 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling regex v1.5.4 [INFO] [stderr] Compiling bingo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator, IntoParallelRefIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:22 [INFO] [stdout] | [INFO] [stdout] 139 | let (mut file, meta) = [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/main.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let (mut file, meta) = [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | Err(std::io::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - Err(std::io::Error), [INFO] [stdout] 19 + Err(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | file.read(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = file.read(&mut data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.30s [INFO] running `Command { std: "docker" "inspect" "5867aee133be99119ef9b4cf067086adad59b52dd44765b13be7bf7ece0f8202", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5867aee133be99119ef9b4cf067086adad59b52dd44765b13be7bf7ece0f8202", kill_on_drop: false }` [INFO] [stdout] 5867aee133be99119ef9b4cf067086adad59b52dd44765b13be7bf7ece0f8202 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ac3e65ddedbe67d7020fa0b1c07eb0e08a6a81dade17a6c81587afa6a1efc45b [INFO] running `Command { std: "docker" "start" "-a" "ac3e65ddedbe67d7020fa0b1c07eb0e08a6a81dade17a6c81587afa6a1efc45b", kill_on_drop: false }` [INFO] [stderr] Compiling bingo v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator` [INFO] [stdout] --> src/main.rs:1:19 [INFO] [stdout] | [INFO] [stdout] 1 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator, IntoParallelRefIterator}; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:23:9 [INFO] [stdout] | [INFO] [stdout] 23 | let mut file = [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:139:22 [INFO] [stdout] | [INFO] [stdout] 139 | let (mut file, meta) = [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `meta` [INFO] [stdout] --> src/main.rs:139:32 [INFO] [stdout] | [INFO] [stdout] 139 | let (mut file, meta) = [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/main.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | Err(std::io::Error), [INFO] [stdout] | --- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 19 - Err(std::io::Error), [INFO] [stdout] 19 + Err(()), [INFO] [stdout] | [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:73:5 [INFO] [stdout] | [INFO] [stdout] 73 | file.read(&mut data); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 73 | let _ = file.read(&mut data); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.43s [INFO] running `Command { std: "docker" "inspect" "ac3e65ddedbe67d7020fa0b1c07eb0e08a6a81dade17a6c81587afa6a1efc45b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ac3e65ddedbe67d7020fa0b1c07eb0e08a6a81dade17a6c81587afa6a1efc45b", kill_on_drop: false }` [INFO] [stdout] ac3e65ddedbe67d7020fa0b1c07eb0e08a6a81dade17a6c81587afa6a1efc45b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8a840cd131284e43b32aed13473f5e7d1aeac18ab1058cf0b304d34612c555da [INFO] running `Command { std: "docker" "start" "-a" "8a840cd131284e43b32aed13473f5e7d1aeac18ab1058cf0b304d34612c555da", kill_on_drop: false }` [INFO] [stderr] warning: unused imports: `IntoParallelIterator` and `IntoParallelRefIterator` [INFO] [stderr] --> src/main.rs:1:19 [INFO] [stderr] | [INFO] [stderr] 1 | use rayon::iter::{IntoParallelIterator, ParallelBridge, ParallelIterator, IntoParallelRefIterator}; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:23:9 [INFO] [stderr] | [INFO] [stderr] 23 | let mut file = [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:139:22 [INFO] [stderr] | [INFO] [stderr] 139 | let (mut file, meta) = [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `meta` [INFO] [stderr] --> src/main.rs:139:32 [INFO] [stderr] | [INFO] [stderr] 139 | let (mut file, meta) = [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_meta` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: field `0` is never read [INFO] [stderr] --> src/main.rs:19:9 [INFO] [stderr] | [INFO] [stderr] 19 | Err(std::io::Error), [INFO] [stderr] | --- ^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | field in this variant [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stderr] | [INFO] [stderr] 19 - Err(std::io::Error), [INFO] [stderr] 19 + Err(()), [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:73:5 [INFO] [stderr] | [INFO] [stderr] 73 | file.read(&mut data); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 73 | let _ = file.read(&mut data); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `bingo` (bin "bingo" test) generated 6 warnings (run `cargo fix --bin "bingo" -p bingo --tests` to apply 4 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/bingo-a093f2b4a083e1a6) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8a840cd131284e43b32aed13473f5e7d1aeac18ab1058cf0b304d34612c555da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8a840cd131284e43b32aed13473f5e7d1aeac18ab1058cf0b304d34612c555da", kill_on_drop: false }` [INFO] [stdout] 8a840cd131284e43b32aed13473f5e7d1aeac18ab1058cf0b304d34612c555da