[INFO] cloning repository https://github.com/T-O-R-U-S/crypot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/T-O-R-U-S/crypot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fcrypot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fcrypot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c60a141ffc1f8a05cb47dfffd7f4297a9a20bf73
[INFO] testing T-O-R-U-S/crypot against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FT-O-R-U-S%2Fcrypot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/T-O-R-U-S/crypot on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/T-O-R-U-S/crypot
[INFO] finished tweaking git repo https://github.com/T-O-R-U-S/crypot
[INFO] tweaked toml for git repo https://github.com/T-O-R-U-S/crypot written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/T-O-R-U-S/crypot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1c7f0ea78bec4dd127c1192c0b27733a1fa8e3fb60ec88bcf78ad8e130499535
[INFO] running `Command { std: "docker" "start" "-a" "1c7f0ea78bec4dd127c1192c0b27733a1fa8e3fb60ec88bcf78ad8e130499535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1c7f0ea78bec4dd127c1192c0b27733a1fa8e3fb60ec88bcf78ad8e130499535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c7f0ea78bec4dd127c1192c0b27733a1fa8e3fb60ec88bcf78ad8e130499535", kill_on_drop: false }`
[INFO] [stdout] 1c7f0ea78bec4dd127c1192c0b27733a1fa8e3fb60ec88bcf78ad8e130499535
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecef0b18b73dc91b5d56e6b04d393e01f2f7d1057647eeae5700f5d75ae7e7ed
[INFO] running `Command { std: "docker" "start" "-a" "ecef0b18b73dc91b5d56e6b04d393e01f2f7d1057647eeae5700f5d75ae7e7ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `codephrase`
[INFO] [stdout]   --> src/main.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn decrypt(file_handle: &mut File, codephrase:&[u8]) -> Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_codephrase`
[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/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file_final:Vec<char> = Vec::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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "ecef0b18b73dc91b5d56e6b04d393e01f2f7d1057647eeae5700f5d75ae7e7ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecef0b18b73dc91b5d56e6b04d393e01f2f7d1057647eeae5700f5d75ae7e7ed", kill_on_drop: false }`
[INFO] [stdout] ecef0b18b73dc91b5d56e6b04d393e01f2f7d1057647eeae5700f5d75ae7e7ed
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] feabe03a4a2c00ada8b18a66534247cf6f12e684edcca806d761de5aaf9a6c08
[INFO] running `Command { std: "docker" "start" "-a" "feabe03a4a2c00ada8b18a66534247cf6f12e684edcca806d761de5aaf9a6c08", kill_on_drop: false }`
[INFO] [stderr]    Compiling crypot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `codephrase`
[INFO] [stdout]   --> src/main.rs:36:36
[INFO] [stdout]    |
[INFO] [stdout] 36 | fn decrypt(file_handle: &mut File, codephrase:&[u8]) -> Result<()> {
[INFO] [stdout]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_codephrase`
[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/main.rs:39:9
[INFO] [stdout]    |
[INFO] [stdout] 39 |     let mut file_final:Vec<char> = Vec::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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `Command { std: "docker" "inspect" "feabe03a4a2c00ada8b18a66534247cf6f12e684edcca806d761de5aaf9a6c08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "feabe03a4a2c00ada8b18a66534247cf6f12e684edcca806d761de5aaf9a6c08", kill_on_drop: false }`
[INFO] [stdout] feabe03a4a2c00ada8b18a66534247cf6f12e684edcca806d761de5aaf9a6c08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 91868fce12223575674b68e7f1694527afe721f3fed7c4ab6b916dfd78e8b055
[INFO] running `Command { std: "docker" "start" "-a" "91868fce12223575674b68e7f1694527afe721f3fed7c4ab6b916dfd78e8b055", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `codephrase`
[INFO] [stderr]   --> src/main.rs:36:36
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn decrypt(file_handle: &mut File, codephrase:&[u8]) -> Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_codephrase`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:39:9
[INFO] [stderr]    |
[INFO] [stderr] 39 |     let mut file_final:Vec<char> = Vec::new();
[INFO] [stderr]    |         ----^^^^^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `crypot` (bin "crypot" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crypot-a897ad0a5328f293)
[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" "91868fce12223575674b68e7f1694527afe721f3fed7c4ab6b916dfd78e8b055", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91868fce12223575674b68e7f1694527afe721f3fed7c4ab6b916dfd78e8b055", kill_on_drop: false }`
[INFO] [stdout] 91868fce12223575674b68e7f1694527afe721f3fed7c4ab6b916dfd78e8b055