[INFO] cloning repository https://github.com/sgdw/reverse-checksum-renamer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sgdw/reverse-checksum-renamer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgdw%2Freverse-checksum-renamer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgdw%2Freverse-checksum-renamer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a94029479b8a40fb4540b0844e502e41cf4d569
[INFO] testing sgdw/reverse-checksum-renamer against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsgdw%2Freverse-checksum-renamer" "/workspace/builds/worker-50/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-50/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sgdw/reverse-checksum-renamer on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sgdw/reverse-checksum-renamer
[INFO] finished tweaking git repo https://github.com/sgdw/reverse-checksum-renamer
[INFO] tweaked toml for git repo https://github.com/sgdw/reverse-checksum-renamer written to /workspace/builds/worker-50/source/Cargo.toml
[INFO] crate git repo https://github.com/sgdw/reverse-checksum-renamer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 356208a4ef5a371aaa9c710e79de1736a1b854821d9c581eecc8ef78e7314855
[INFO] running `Command { std: "docker" "start" "-a" "356208a4ef5a371aaa9c710e79de1736a1b854821d9c581eecc8ef78e7314855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "356208a4ef5a371aaa9c710e79de1736a1b854821d9c581eecc8ef78e7314855", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "356208a4ef5a371aaa9c710e79de1736a1b854821d9c581eecc8ef78e7314855", kill_on_drop: false }`
[INFO] [stdout] 356208a4ef5a371aaa9c710e79de1736a1b854821d9c581eecc8ef78e7314855
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 77b8861fc33fb89b9988f1972abb68d9fc70390b377908e4235f2df849bec142
[INFO] running `Command { std: "docker" "start" "-a" "77b8861fc33fb89b9988f1972abb68d9fc70390b377908e4235f2df849bec142", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling build_const v0.2.0
[INFO] [stderr]    Compiling md5 v0.3.7
[INFO] [stderr]    Compiling crc v1.7.0
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling reverse-checksum-renamer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `slice_size`
[INFO] [stdout]   --> src/par2_reader.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub slice_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_files`
[INFO] [stdout]   --> src/par2_reader.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub number_of_files: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 282 |             let _ = &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:309:13
[INFO] [stdout]     |
[INFO] [stdout] 309 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 14s
[INFO] running `Command { std: "docker" "inspect" "77b8861fc33fb89b9988f1972abb68d9fc70390b377908e4235f2df849bec142", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77b8861fc33fb89b9988f1972abb68d9fc70390b377908e4235f2df849bec142", kill_on_drop: false }`
[INFO] [stdout] 77b8861fc33fb89b9988f1972abb68d9fc70390b377908e4235f2df849bec142
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6a31d082ddb0222f360b1299ce38932d4c76c2218d04247feb686dab9683675a
[INFO] running `Command { std: "docker" "start" "-a" "6a31d082ddb0222f360b1299ce38932d4c76c2218d04247feb686dab9683675a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling reverse-checksum-renamer v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `slice_size`
[INFO] [stdout]   --> src/par2_reader.rs:95:5
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub slice_size: u64,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `number_of_files`
[INFO] [stdout]   --> src/par2_reader.rs:96:5
[INFO] [stdout]    |
[INFO] [stdout] 96 |     pub number_of_files: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:282:13
[INFO] [stdout]     |
[INFO] [stdout] 282 |             &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 282 |             let _ = &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:293:13
[INFO] [stdout]     |
[INFO] [stdout] 293 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 293 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:309:13
[INFO] [stdout]     |
[INFO] [stdout] 309 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 309 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/par2_reader.rs:324:13
[INFO] [stdout]     |
[INFO] [stdout] 324 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stdout]     |
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 324 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stdout]     |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `Command { std: "docker" "inspect" "6a31d082ddb0222f360b1299ce38932d4c76c2218d04247feb686dab9683675a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a31d082ddb0222f360b1299ce38932d4c76c2218d04247feb686dab9683675a", kill_on_drop: false }`
[INFO] [stdout] 6a31d082ddb0222f360b1299ce38932d4c76c2218d04247feb686dab9683675a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-50/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bd24bebe561d7a4ecbdb4adc8c305413d6bb12c2ae8947094a40a436fe221652
[INFO] running `Command { std: "docker" "start" "-a" "bd24bebe561d7a4ecbdb4adc8c305413d6bb12c2ae8947094a40a436fe221652", kill_on_drop: false }`
[INFO] [stderr] warning: field is never read: `slice_size`
[INFO] [stderr]   --> src/par2_reader.rs:95:5
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub slice_size: u64,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `number_of_files`
[INFO] [stderr]   --> src/par2_reader.rs:96:5
[INFO] [stderr]    |
[INFO] [stderr] 96 |     pub number_of_files: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/par2_reader.rs:282:13
[INFO] [stderr]     |
[INFO] [stderr] 282 |             &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 282 |             let _ = &fh.take(to_skip as u64).read_to_string(&mut body.client_identifier);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/par2_reader.rs:293:13
[INFO] [stderr]     |
[INFO] [stderr] 293 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 293 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/par2_reader.rs:309:13
[INFO] [stderr]     |
[INFO] [stderr] 309 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 309 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: unused borrow that must be used
[INFO] [stderr]    --> src/par2_reader.rs:324:13
[INFO] [stderr]     |
[INFO] [stderr] 324 |             &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value
[INFO] [stderr]     |
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]     |
[INFO] [stderr] 324 |             let _ = &fh.take(to_skip as u64).read(buffer);
[INFO] [stderr]     |             +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `reverse-checksum-renamer` (bin "reverse-checksum-renamer" test) generated 6 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/reverse_checksum_renamer-a8ac4a571ba01ba6)
[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" "bd24bebe561d7a4ecbdb4adc8c305413d6bb12c2ae8947094a40a436fe221652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd24bebe561d7a4ecbdb4adc8c305413d6bb12c2ae8947094a40a436fe221652", kill_on_drop: false }`
[INFO] [stdout] bd24bebe561d7a4ecbdb4adc8c305413d6bb12c2ae8947094a40a436fe221652