[INFO] cloning repository https://github.com/sile/trial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sile/trial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Ftrial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Ftrial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f351d697dab4d9087efd1af72c598bb5fa9dbafe
[INFO] testing sile/trial against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsile%2Ftrial" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sile/trial on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sile/trial
[INFO] finished tweaking git repo https://github.com/sile/trial
[INFO] tweaked toml for git repo https://github.com/sile/trial written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/sile/trial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e0ee433f3deb3fa5bde940f76b4607ca79ee2704801ab8edbb76623b3cec9508
[INFO] running `Command { std: "docker" "start" "-a" "e0ee433f3deb3fa5bde940f76b4607ca79ee2704801ab8edbb76623b3cec9508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e0ee433f3deb3fa5bde940f76b4607ca79ee2704801ab8edbb76623b3cec9508", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0ee433f3deb3fa5bde940f76b4607ca79ee2704801ab8edbb76623b3cec9508", kill_on_drop: false }`
[INFO] [stdout] e0ee433f3deb3fa5bde940f76b4607ca79ee2704801ab8edbb76623b3cec9508
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f70747e47978858051868457446934f63b4030319a16255f8ed30969e9cb5a
[INFO] running `Command { std: "docker" "start" "-a" "78f70747e47978858051868457446934f63b4030319a16255f8ed30969e9cb5a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.21
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.40
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling structopt-derive v0.4.10
[INFO] [stderr]    Compiling structopt v0.3.17
[INFO] [stderr]    Compiling trial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/run.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let record = self.execute_command()?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/repository.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 17.27s
[INFO] running `Command { std: "docker" "inspect" "78f70747e47978858051868457446934f63b4030319a16255f8ed30969e9cb5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f70747e47978858051868457446934f63b4030319a16255f8ed30969e9cb5a", kill_on_drop: false }`
[INFO] [stdout] 78f70747e47978858051868457446934f63b4030319a16255f8ed30969e9cb5a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1dc814d655da1d3791bb46828c6604169593384ee9ce6dcca7565b150f8ddeba
[INFO] running `Command { std: "docker" "start" "-a" "1dc814d655da1d3791bb46828c6604169593384ee9ce6dcca7565b150f8ddeba", kill_on_drop: false }`
[INFO] [stderr]    Compiling trial v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/run.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let record = self.execute_command()?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/repository.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `record`
[INFO] [stdout]   --> src/run.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let record = self.execute_command()?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `root_dir`
[INFO] [stdout]   --> src/repository.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     root_dir: PathBuf,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` 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 0.86s
[INFO] running `Command { std: "docker" "inspect" "1dc814d655da1d3791bb46828c6604169593384ee9ce6dcca7565b150f8ddeba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1dc814d655da1d3791bb46828c6604169593384ee9ce6dcca7565b150f8ddeba", kill_on_drop: false }`
[INFO] [stdout] 1dc814d655da1d3791bb46828c6604169593384ee9ce6dcca7565b150f8ddeba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f55e412c78ac54dcc97cccdac85f430e37c4e6fb2e8c5335b35a6c9bf409bd1b
[INFO] running `Command { std: "docker" "start" "-a" "f55e412c78ac54dcc97cccdac85f430e37c4e6fb2e8c5335b35a6c9bf409bd1b", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `record`
[INFO] [stderr]   --> src/run.rs:18:13
[INFO] [stderr]    |
[INFO] [stderr] 18 |         let record = self.execute_command()?;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_record`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `root_dir`
[INFO] [stderr]   --> src/repository.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     root_dir: PathBuf,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `trial` (lib) generated 2 warnings
[INFO] [stderr] warning: `trial` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trial-1fec62b35cc221a5)
[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] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/trial-cb1d680dbb2011b6)
[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] [stderr]    Doc-tests trial
[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" "f55e412c78ac54dcc97cccdac85f430e37c4e6fb2e8c5335b35a6c9bf409bd1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f55e412c78ac54dcc97cccdac85f430e37c4e6fb2e8c5335b35a6c9bf409bd1b", kill_on_drop: false }`
[INFO] [stdout] f55e412c78ac54dcc97cccdac85f430e37c4e6fb2e8c5335b35a6c9bf409bd1b