[INFO] fetching crate cracker 0.1.0... [INFO] checking cracker-0.1.0 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248 [INFO] extracting crate cracker 0.1.0 into /workspace/builds/worker-11/source [INFO] validating manifest of crates.io crate cracker 0.1.0 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate cracker 0.1.0 [INFO] finished tweaking crates.io crate cracker 0.1.0 [INFO] tweaked toml for crates.io crate cracker 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded crossbeam v0.2.12 [INFO] [stderr] Downloaded crypto-mac v0.3.0 [INFO] [stderr] Downloaded jobsteal v0.5.1 [INFO] [stderr] Downloaded generic-array v0.7.3 [INFO] [stderr] Downloaded blake2 v0.5.2 [INFO] [stderr] Downloaded digest v0.5.2 [INFO] [stderr] Downloaded rust-crypto v0.2.36 [INFO] [stderr] Downloaded pwhash v0.1.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] e28eb49eef111cd3a1e99729239725b16153f51606f42756a0efe60a9828fb8f [INFO] running `Command { std: "docker" "start" "-a" "e28eb49eef111cd3a1e99729239725b16153f51606f42756a0efe60a9828fb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e28eb49eef111cd3a1e99729239725b16153f51606f42756a0efe60a9828fb8f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e28eb49eef111cd3a1e99729239725b16153f51606f42756a0efe60a9828fb8f", kill_on_drop: false }` [INFO] [stdout] e28eb49eef111cd3a1e99729239725b16153f51606f42756a0efe60a9828fb8f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4f8580172aedd25f8acb6dce0e1d6d6cb67ca0682fca25f04e1b8aabd5cf97a2 [INFO] running `Command { std: "docker" "start" "-a" "4f8580172aedd25f8acb6dce0e1d6d6cb67ca0682fca25f04e1b8aabd5cf97a2", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling typenum v1.13.0 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking nodrop v0.1.14 [INFO] [stderr] Checking constant_time_eq v0.1.5 [INFO] [stderr] Checking rustc-serialize v0.3.24 [INFO] [stderr] Checking byte-tools v0.1.3 [INFO] [stderr] Compiling rust-crypto v0.2.36 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking time v0.1.44 [INFO] [stderr] Checking generic-array v0.7.3 [INFO] [stderr] Checking crypto-mac v0.3.0 [INFO] [stderr] Checking digest v0.5.2 [INFO] [stderr] Checking blake2 v0.5.2 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking jobsteal v0.5.1 [INFO] [stderr] Checking pwhash v0.1.2 [INFO] [stderr] Checking cracker v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Blake2b`, `Digest` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | use blake2::{Blake2b, Digest}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/lib.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut file = OpenOptions::new() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::thread` [INFO] [stdout] --> src/lib.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use std::thread; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Blake2b`, `Digest` [INFO] [stdout] --> src/lib.rs:15:14 [INFO] [stdout] | [INFO] [stdout] 15 | use blake2::{Blake2b, Digest}; [INFO] [stdout] | ^^^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `file` [INFO] [stdout] --> src/lib.rs:69:17 [INFO] [stdout] | [INFO] [stdout] 69 | let mut file = OpenOptions::new() [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_file` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:69:13 [INFO] [stdout] | [INFO] [stdout] 69 | let mut file = OpenOptions::new() [INFO] [stdout] | ----^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:100:45 [INFO] [stdout] | [INFO] [stdout] 100 | ... file.write((hash.to_string() + ":" + word + "\n").as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/lib.rs:100:45 [INFO] [stdout] | [INFO] [stdout] 100 | ... file.write((hash.to_string() + ":" + word + "\n").as_bytes()); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 10.70s [INFO] running `Command { std: "docker" "inspect" "4f8580172aedd25f8acb6dce0e1d6d6cb67ca0682fca25f04e1b8aabd5cf97a2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4f8580172aedd25f8acb6dce0e1d6d6cb67ca0682fca25f04e1b8aabd5cf97a2", kill_on_drop: false }` [INFO] [stdout] 4f8580172aedd25f8acb6dce0e1d6d6cb67ca0682fca25f04e1b8aabd5cf97a2