[INFO] fetching crate hcompress 0.3.0... [INFO] checking hcompress-0.3.0 against try#a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d for pr-145342-1 [INFO] extracting crate hcompress 0.3.0 into /workspace/builds/worker-7-tc2/source [INFO] started tweaking crates.io crate hcompress 0.3.0 [INFO] finished tweaking crates.io crate hcompress 0.3.0 [INFO] tweaked toml for crates.io crate hcompress 0.3.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate hcompress 0.3.0 on toolchain a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate crates.io crate hcompress 0.3.0 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" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0b7c6f84ad3382800d16054b4823309960191abc700c6fac7c4fc2798edeb94c [INFO] running `Command { std: "docker" "start" "-a" "0b7c6f84ad3382800d16054b4823309960191abc700c6fac7c4fc2798edeb94c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0b7c6f84ad3382800d16054b4823309960191abc700c6fac7c4fc2798edeb94c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0b7c6f84ad3382800d16054b4823309960191abc700c6fac7c4fc2798edeb94c", kill_on_drop: false }` [INFO] [stdout] 0b7c6f84ad3382800d16054b4823309960191abc700c6fac7c4fc2798edeb94c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+a4980311fb7bb9e7893708e6bd3fbbfb2819fd3d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a9f4bb10bbff66ff5ad95af4bc90a40ce5715d7026c598dab1b746e08b1c093c [INFO] running `Command { std: "docker" "start" "-a" "a9f4bb10bbff66ff5ad95af4bc90a40ce5715d7026c598dab1b746e08b1c093c", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.172 [INFO] [stderr] Checking memchr v2.7.4 [INFO] [stderr] Checking regex-syntax v0.8.5 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking log v0.4.27 [INFO] [stderr] Checking bytemuck v1.23.0 [INFO] [stderr] Checking bytes v1.10.1 [INFO] [stderr] Checking aho-corasick v1.1.3 [INFO] [stderr] Checking hcompress v0.3.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: value assigned to `k` is never read [INFO] [stdout] --> src/read.rs:1940:13 [INFO] [stdout] | [INFO] [stdout] 1940 | k += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `k` is never read [INFO] [stdout] --> src/read.rs:2221:13 [INFO] [stdout] | [INFO] [stdout] 2221 | k += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s00` is never read [INFO] [stdout] --> src/write.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | s00 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s10` is never read [INFO] [stdout] --> src/write.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | s10 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s00` is never read [INFO] [stdout] --> src/write.rs:339:17 [INFO] [stdout] | [INFO] [stdout] 339 | s00 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s10` is never read [INFO] [stdout] --> src/write.rs:340:17 [INFO] [stdout] | [INFO] [stdout] 340 | s10 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:822:5 [INFO] [stdout] | [INFO] [stdout] 822 | file.write_all(&buffer[0..n]); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 822 | let _ = file.write_all(&buffer[0..n]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1067:9 [INFO] [stdout] | [INFO] [stdout] 1067 | outfile.write(&[(b2.buffer2 >> (-b2.bits_to_go2)) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1067 | let _ = outfile.write(&[(b2.buffer2 >> (-b2.bits_to_go2)) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1128:13 [INFO] [stdout] | [INFO] [stdout] 1128 | outfile.write(&[((array[kk] & 15) << 4) | (array[kk + 1] & 15)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1128 | let _ = outfile.write(&[((array[kk] & 15) << 4) | (array[kk + 1] & 15)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1139:13 [INFO] [stdout] | [INFO] [stdout] 1139 | outfile.write(&[((b2.buffer2 >> shift) & 0xff) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1139 | let _ = outfile.write(&[((b2.buffer2 >> shift) & 0xff) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1160:9 [INFO] [stdout] | [INFO] [stdout] 1160 | outfile.write(&[(buffer.buffer2 << buffer.bits_to_go2) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1160 | let _ = outfile.write(&[(buffer.buffer2 << buffer.bits_to_go2) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking getrandom v0.2.16 [INFO] [stderr] Checking rand_core v0.6.4 [INFO] [stderr] Checking rand v0.8.5 [INFO] [stderr] Checking regex-automata v0.4.9 [INFO] [stderr] Checking regex v1.11.1 [INFO] [stderr] Checking env_logger v0.8.4 [INFO] [stderr] Checking quickcheck v1.0.3 [INFO] [stdout] warning: value assigned to `k` is never read [INFO] [stdout] --> src/read.rs:1940:13 [INFO] [stdout] | [INFO] [stdout] 1940 | k += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `k` is never read [INFO] [stdout] --> src/read.rs:2221:13 [INFO] [stdout] | [INFO] [stdout] 2221 | k += 1; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s00` is never read [INFO] [stdout] --> src/write.rs:190:17 [INFO] [stdout] | [INFO] [stdout] 190 | s00 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s10` is never read [INFO] [stdout] --> src/write.rs:191:17 [INFO] [stdout] | [INFO] [stdout] 191 | s10 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s00` is never read [INFO] [stdout] --> src/write.rs:339:17 [INFO] [stdout] | [INFO] [stdout] 339 | s00 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `s10` is never read [INFO] [stdout] --> src/write.rs:340:17 [INFO] [stdout] | [INFO] [stdout] 340 | s10 += 1; [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:822:5 [INFO] [stdout] | [INFO] [stdout] 822 | file.write_all(&buffer[0..n]); [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)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 822 | let _ = file.write_all(&buffer[0..n]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1067:9 [INFO] [stdout] | [INFO] [stdout] 1067 | outfile.write(&[(b2.buffer2 >> (-b2.bits_to_go2)) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1067 | let _ = outfile.write(&[(b2.buffer2 >> (-b2.bits_to_go2)) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1128:13 [INFO] [stdout] | [INFO] [stdout] 1128 | outfile.write(&[((array[kk] & 15) << 4) | (array[kk + 1] & 15)]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1128 | let _ = outfile.write(&[((array[kk] & 15) << 4) | (array[kk + 1] & 15)]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1139:13 [INFO] [stdout] | [INFO] [stdout] 1139 | outfile.write(&[((b2.buffer2 >> shift) & 0xff) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1139 | let _ = outfile.write(&[((b2.buffer2 >> shift) & 0xff) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/write.rs:1160:9 [INFO] [stdout] | [INFO] [stdout] 1160 | outfile.write(&[(buffer.buffer2 << buffer.bits_to_go2) as u8]); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 1160 | let _ = outfile.write(&[(buffer.buffer2 << buffer.bits_to_go2) as u8]); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.71s [INFO] running `Command { std: "docker" "inspect" "a9f4bb10bbff66ff5ad95af4bc90a40ce5715d7026c598dab1b746e08b1c093c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a9f4bb10bbff66ff5ad95af4bc90a40ce5715d7026c598dab1b746e08b1c093c", kill_on_drop: false }` [INFO] [stdout] a9f4bb10bbff66ff5ad95af4bc90a40ce5715d7026c598dab1b746e08b1c093c