[INFO] cloning repository https://github.com/mrbitcoiner/key_stretcher
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrbitcoiner/key_stretcher" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbitcoiner%2Fkey_stretcher", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbitcoiner%2Fkey_stretcher'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50b5e35a7a8f93b51d2a2cb932ab3db7014bb8c5
[INFO] testing mrbitcoiner/key_stretcher against 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrbitcoiner%2Fkey_stretcher" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/mrbitcoiner/key_stretcher
[INFO] finished tweaking git repo https://github.com/mrbitcoiner/key_stretcher
[INFO] tweaked toml for git repo https://github.com/mrbitcoiner/key_stretcher written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/mrbitcoiner/key_stretcher on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/mrbitcoiner/key_stretcher 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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `key_stretcher` which is deprecated
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca9cf05620724807b9b42eac6760a8c164f9f238b4190a8e7eac0480ec180777
[INFO] running `Command { std: "docker" "start" "-a" "ca9cf05620724807b9b42eac6760a8c164f9f238b4190a8e7eac0480ec180777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca9cf05620724807b9b42eac6760a8c164f9f238b4190a8e7eac0480ec180777", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca9cf05620724807b9b42eac6760a8c164f9f238b4190a8e7eac0480ec180777", kill_on_drop: false }`
[INFO] [stdout] ca9cf05620724807b9b42eac6760a8c164f9f238b4190a8e7eac0480ec180777
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e96720b83c4be978dc7e1acdc79a7c7404b6dde101158d60416ed47971cc7d1
[INFO] running `Command { std: "docker" "start" "-a" "9e96720b83c4be978dc7e1acdc79a7c7404b6dde101158d60416ed47971cc7d1", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `key_stretcher` which is deprecated
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]    Compiling regex-syntax v0.6.28
[INFO] [stderr]    Compiling cpufeatures v0.2.5
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling aho-corasick v0.7.19
[INFO] [stderr]    Compiling block-buffer v0.10.3
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.5
[INFO] [stderr]    Compiling sha2 v0.10.6
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling regex v1.7.0
[INFO] [stderr]    Compiling env_logger v0.9.3
[INFO] [stderr]    Compiling key_stretcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     InvalidDifficulty(String),
[INFO] [stdout]    |     ----------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] 33 -     InvalidDifficulty(String),
[INFO] [stdout] 33 +     InvalidDifficulty(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     InvalidArguments(String),
[INFO] [stdout]    |     ---------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 34 -     InvalidArguments(String),
[INFO] [stdout] 34 +     InvalidArguments(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     IoError(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 35 -     IoError(String),
[INFO] [stdout] 35 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.85s
[INFO] running `Command { std: "docker" "inspect" "9e96720b83c4be978dc7e1acdc79a7c7404b6dde101158d60416ed47971cc7d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e96720b83c4be978dc7e1acdc79a7c7404b6dde101158d60416ed47971cc7d1", kill_on_drop: false }`
[INFO] [stdout] 9e96720b83c4be978dc7e1acdc79a7c7404b6dde101158d60416ed47971cc7d1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 96fa8519e902c5b7c60a079a97318d240f3180253cc419ee8322b24871c665e3
[INFO] running `Command { std: "docker" "start" "-a" "96fa8519e902c5b7c60a079a97318d240f3180253cc419ee8322b24871c665e3", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `key_stretcher` which is deprecated
[INFO] [stderr]    Compiling key_stretcher v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:33:23
[INFO] [stdout]    |
[INFO] [stdout] 33 |     InvalidDifficulty(String),
[INFO] [stdout]    |     ----------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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] 33 -     InvalidDifficulty(String),
[INFO] [stdout] 33 +     InvalidDifficulty(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:34:22
[INFO] [stdout]    |
[INFO] [stdout] 34 |     InvalidArguments(String),
[INFO] [stdout]    |     ---------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 34 -     InvalidArguments(String),
[INFO] [stdout] 34 +     InvalidArguments(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/main.rs:35:13
[INFO] [stdout]    |
[INFO] [stdout] 35 |     IoError(String),
[INFO] [stdout]    |     ------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 35 -     IoError(String),
[INFO] [stdout] 35 +     IoError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.04s
[INFO] running `Command { std: "docker" "inspect" "96fa8519e902c5b7c60a079a97318d240f3180253cc419ee8322b24871c665e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96fa8519e902c5b7c60a079a97318d240f3180253cc419ee8322b24871c665e3", kill_on_drop: false }`
[INFO] [stdout] 96fa8519e902c5b7c60a079a97318d240f3180253cc419ee8322b24871c665e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ec6c0240e70658cbee8a6fc1c46e8b7f6fb7e894b67f41f6b4a7166a742a1e28
[INFO] running `Command { std: "docker" "start" "-a" "ec6c0240e70658cbee8a6fc1c46e8b7f6fb7e894b67f41f6b4a7166a742a1e28", kill_on_drop: false }`
[INFO] [stderr] warning: `edition` is set on binary `key_stretcher` which is deprecated
[INFO] [stderr] warning: field `0` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/main.rs:33:23
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 33 |     InvalidDifficulty(String),
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |     ----------------- ^^^^^^
[INFO] [stdout] 
[INFO] [stderr]    |     |
[INFO] [stdout] 
[INFO] [stderr]    |     field in this variant
[INFO] [stdout] running 4 tests
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` 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] 33 -     InvalidDifficulty(String),
[INFO] [stderr] 33 +     InvalidDifficulty(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:34:22
[INFO] [stderr]    |
[INFO] [stderr] 34 |     InvalidArguments(String),
[INFO] [stderr]    |     ---------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 34 -     InvalidArguments(String),
[INFO] [stderr] 34 +     InvalidArguments(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/main.rs:35:13
[INFO] [stderr]    |
[INFO] [stderr] 35 |     IoError(String),
[INFO] [stderr]    |     ------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Error` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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] 35 -     IoError(String),
[INFO] [stderr] 35 +     IoError(()),
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: `key_stretcher` (bin "key_stretcher" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/key_stretcher-30902844aaba8085)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/key_stretcher-d7044906e8972dd1)
[INFO] [stdout] test tests::extreme_test has been running for over 60 seconds
[INFO] [stdout] test tests::high_test has been running for over 60 seconds
[INFO] [stdout] test tests::low_test has been running for over 60 seconds
[INFO] [stdout] test tests::mid_test has been running for over 60 seconds
[INFO] [stderr] error: test failed, to rerun pass `--bin key_stretcher`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/deps/key_stretcher-d7044906e8972dd1` (signal: 9, SIGKILL: kill)
[INFO] running `Command { std: "docker" "inspect" "ec6c0240e70658cbee8a6fc1c46e8b7f6fb7e894b67f41f6b4a7166a742a1e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6c0240e70658cbee8a6fc1c46e8b7f6fb7e894b67f41f6b4a7166a742a1e28", kill_on_drop: false }`
[INFO] [stdout] ec6c0240e70658cbee8a6fc1c46e8b7f6fb7e894b67f41f6b4a7166a742a1e28
