[INFO] cloning repository https://github.com/ahum/pp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ahum/pp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahum%2Fpp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahum%2Fpp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] afe198f382638a955b65a9d1ec9ff724cbea3ada
[INFO] testing ahum/pp against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fahum%2Fpp" "/workspace/builds/worker-27/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-27/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ahum/pp on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ahum/pp
[INFO] finished tweaking git repo https://github.com/ahum/pp
[INFO] tweaked toml for git repo https://github.com/ahum/pp written to /workspace/builds/worker-27/source/Cargo.toml
[INFO] crate git repo https://github.com/ahum/pp already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4bfb82158292a8d3f70f3a93911674c4e44ea1d7e47c718b86de42de67ad35d6
[INFO] running `Command { std: "docker" "start" "-a" "4bfb82158292a8d3f70f3a93911674c4e44ea1d7e47c718b86de42de67ad35d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bfb82158292a8d3f70f3a93911674c4e44ea1d7e47c718b86de42de67ad35d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bfb82158292a8d3f70f3a93911674c4e44ea1d7e47c718b86de42de67ad35d6", kill_on_drop: false }`
[INFO] [stdout] 4bfb82158292a8d3f70f3a93911674c4e44ea1d7e47c718b86de42de67ad35d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1892953e41b183f8e3534716f6d0ed1b0eae9c7de52082e8d6dd5af1f22b2fe2
[INFO] running `Command { std: "docker" "start" "-a" "1892953e41b183f8e3534716f6d0ed1b0eae9c7de52082e8d6dd5af1f22b2fe2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_json v1.0.69
[INFO] [stderr]    Compiling itoa v0.4.8
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]    Compiling structopt v0.3.25
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Value::Object(m) => serde_json::to_string(v).unwrap(),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 12.55s
[INFO] running `Command { std: "docker" "inspect" "1892953e41b183f8e3534716f6d0ed1b0eae9c7de52082e8d6dd5af1f22b2fe2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1892953e41b183f8e3534716f6d0ed1b0eae9c7de52082e8d6dd5af1f22b2fe2", kill_on_drop: false }`
[INFO] [stdout] 1892953e41b183f8e3534716f6d0ed1b0eae9c7de52082e8d6dd5af1f22b2fe2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe4cf4ecc62e66fd4be7510b10e0e155bce0b67e7a164147a9143040b98467c8
[INFO] running `Command { std: "docker" "start" "-a" "fe4cf4ecc62e66fd4be7510b10e0e155bce0b67e7a164147a9143040b98467c8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling pp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `m`
[INFO] [stdout]   --> src/main.rs:43:23
[INFO] [stdout]    |
[INFO] [stdout] 43 |         Value::Object(m) => serde_json::to_string(v).unwrap(),
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` 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 0.59s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-513f2d0e38344617)
[INFO] running `Command { std: "docker" "inspect" "fe4cf4ecc62e66fd4be7510b10e0e155bce0b67e7a164147a9143040b98467c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe4cf4ecc62e66fd4be7510b10e0e155bce0b67e7a164147a9143040b98467c8", kill_on_drop: false }`
[INFO] [stdout] fe4cf4ecc62e66fd4be7510b10e0e155bce0b67e7a164147a9143040b98467c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aab44b7b6b29b3aebbbe2f37769d86ecc3757d02d501c55305760b7dcd8d0e65
[INFO] running `Command { std: "docker" "start" "-a" "aab44b7b6b29b3aebbbe2f37769d86ecc3757d02d501c55305760b7dcd8d0e65", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: unused variable: `m`
[INFO] [stdout] running 0 tests
[INFO] [stderr]   --> src/main.rs:43:23
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 43 |         Value::Object(m) => serde_json::to_string(v).unwrap(),
[INFO] [stdout] 
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_m`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `pp` (bin "pp" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pp-513f2d0e38344617)
[INFO] running `Command { std: "docker" "inspect" "aab44b7b6b29b3aebbbe2f37769d86ecc3757d02d501c55305760b7dcd8d0e65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aab44b7b6b29b3aebbbe2f37769d86ecc3757d02d501c55305760b7dcd8d0e65", kill_on_drop: false }`
[INFO] [stdout] aab44b7b6b29b3aebbbe2f37769d86ecc3757d02d501c55305760b7dcd8d0e65