[INFO] cloning repository https://github.com/mattkuo/playfair-hammer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mattkuo/playfair-hammer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattkuo%2Fplayfair-hammer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattkuo%2Fplayfair-hammer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c0accd975cad7fba878b919f92ec404367aada94
[INFO] testing mattkuo/playfair-hammer against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmattkuo%2Fplayfair-hammer" "/workspace/builds/worker-26/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-26/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mattkuo/playfair-hammer 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/mattkuo/playfair-hammer
[INFO] finished tweaking git repo https://github.com/mattkuo/playfair-hammer
[INFO] tweaked toml for git repo https://github.com/mattkuo/playfair-hammer written to /workspace/builds/worker-26/source/Cargo.toml
[INFO] crate git repo https://github.com/mattkuo/playfair-hammer 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-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 9a13d5606fd0032f3d1de5cb4f8e2856daee8a640658f25cde1b77738a69eef7
[INFO] running `Command { std: "docker" "start" "-a" "9a13d5606fd0032f3d1de5cb4f8e2856daee8a640658f25cde1b77738a69eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a13d5606fd0032f3d1de5cb4f8e2856daee8a640658f25cde1b77738a69eef7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a13d5606fd0032f3d1de5cb4f8e2856daee8a640658f25cde1b77738a69eef7", kill_on_drop: false }`
[INFO] [stdout] 9a13d5606fd0032f3d1de5cb4f8e2856daee8a640658f25cde1b77738a69eef7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 7d36c810f1e33d799471183bae2153c92682b331b287b57047d940fa66e7e1db
[INFO] running `Command { std: "docker" "start" "-a" "7d36c810f1e33d799471183bae2153c92682b331b287b57047d940fa66e7e1db", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.8
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scoring.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let file = try!(File::open(path));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.90s
[INFO] running `Command { std: "docker" "inspect" "7d36c810f1e33d799471183bae2153c92682b331b287b57047d940fa66e7e1db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d36c810f1e33d799471183bae2153c92682b331b287b57047d940fa66e7e1db", kill_on_drop: false }`
[INFO] [stdout] 7d36c810f1e33d799471183bae2153c92682b331b287b57047d940fa66e7e1db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 74740c0ee0edc0721e999958ef3ebf932ef90f286fb1ecc7e30d4baa53118951
[INFO] running `Command { std: "docker" "start" "-a" "74740c0ee0edc0721e999958ef3ebf932ef90f286fb1ecc7e30d4baa53118951", kill_on_drop: false }`
[INFO] [stderr]    Compiling playfair-hammer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/scoring.rs:10:16
[INFO] [stdout]    |
[INFO] [stdout] 10 |     let file = try!(File::open(path));
[INFO] [stdout]    |                ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "74740c0ee0edc0721e999958ef3ebf932ef90f286fb1ecc7e30d4baa53118951", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74740c0ee0edc0721e999958ef3ebf932ef90f286fb1ecc7e30d4baa53118951", kill_on_drop: false }`
[INFO] [stdout] 74740c0ee0edc0721e999958ef3ebf932ef90f286fb1ecc7e30d4baa53118951
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-26/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] 9a6e1d8a55ba26fc120e59c8af54d9ac61e82f8708e781197521c2f00fc92cb3
[INFO] running `Command { std: "docker" "start" "-a" "9a6e1d8a55ba26fc120e59c8af54d9ac61e82f8708e781197521c2f00fc92cb3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stderr]   --> src/scoring.rs:10:16
[INFO] [stderr]    |
[INFO] [stderr] 10 |     let file = try!(File::open(path));
[INFO] [stderr]    |                ^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `playfair-hammer` (bin "playfair-hammer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.65s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/playfair_hammer-323a4784900e237e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test scoring::tests::test_read_file ... ignored
[INFO] [stdout] test scoring::tests::test_score ... ignored
[INFO] [stdout] test playfair::tests::test_decipher ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 2 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9a6e1d8a55ba26fc120e59c8af54d9ac61e82f8708e781197521c2f00fc92cb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a6e1d8a55ba26fc120e59c8af54d9ac61e82f8708e781197521c2f00fc92cb3", kill_on_drop: false }`
[INFO] [stdout] 9a6e1d8a55ba26fc120e59c8af54d9ac61e82f8708e781197521c2f00fc92cb3