[INFO] cloning repository https://github.com/hawkinsw/epidem
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hawkinsw/epidem" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkinsw%2Fepidem", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkinsw%2Fepidem'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18fa2bbeace8926ca6f833ac5f28ea06bb29cb6e
[INFO] testing hawkinsw/epidem against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhawkinsw%2Fepidem" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hawkinsw/epidem 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/hawkinsw/epidem
[INFO] finished tweaking git repo https://github.com/hawkinsw/epidem
[INFO] tweaked toml for git repo https://github.com/hawkinsw/epidem written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/hawkinsw/epidem 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] [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-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] ee4bd6163b72a84dbda6f4e94d58abb13803f58f21c50e7097d7278a7db8a128
[INFO] running `Command { std: "docker" "start" "-a" "ee4bd6163b72a84dbda6f4e94d58abb13803f58f21c50e7097d7278a7db8a128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ee4bd6163b72a84dbda6f4e94d58abb13803f58f21c50e7097d7278a7db8a128", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ee4bd6163b72a84dbda6f4e94d58abb13803f58f21c50e7097d7278a7db8a128", kill_on_drop: false }`
[INFO] [stdout] ee4bd6163b72a84dbda6f4e94d58abb13803f58f21c50e7097d7278a7db8a128
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] ba59521fa67ac194e79a173a0e6a356fc6eb94a545ad91f162b8597f46f28d83
[INFO] running `Command { std: "docker" "start" "-a" "ba59521fa67ac194e79a173a0e6a356fc6eb94a545ad91f162b8597f46f28d83", kill_on_drop: false }`
[INFO] [stderr]    Compiling epidem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]  --> src/epidem/transition.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]  --> src/epidem/transition.rs:9:76
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                                            ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/epidem/compartment.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sir.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sir.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sir.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sir.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sirs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sirs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.08s
[INFO] running `Command { std: "docker" "inspect" "ba59521fa67ac194e79a173a0e6a356fc6eb94a545ad91f162b8597f46f28d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba59521fa67ac194e79a173a0e6a356fc6eb94a545ad91f162b8597f46f28d83", kill_on_drop: false }`
[INFO] [stdout] ba59521fa67ac194e79a173a0e6a356fc6eb94a545ad91f162b8597f46f28d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 86fea56932244f9b20c8abccec9f68c3722a48734d2cdda16d0043770fb80dae
[INFO] running `Command { std: "docker" "start" "-a" "86fea56932244f9b20c8abccec9f68c3722a48734d2cdda16d0043770fb80dae", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling epidem v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]  --> src/epidem/transition.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]  --> src/epidem/transition.rs:9:76
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                                            ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/epidem/compartment.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sir.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sir.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sir.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sir.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sirs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sirs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from`
[INFO] [stdout]  --> src/epidem/transition.rs:9:62
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `to`
[INFO] [stdout]  --> src/epidem/transition.rs:9:76
[INFO] [stdout]   |
[INFO] [stdout] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stdout]   |                                                                            ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `name`
[INFO] [stdout]  --> src/epidem/compartment.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 |     name: String,
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sir.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sir.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sir.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sir.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `population`
[INFO] [stdout]   --> src/epidem/sirs.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 |     population: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `dead`
[INFO] [stdout]   --> src/epidem/sirs.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     dead: Compartment,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `birthrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 18 |     birthrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `deathrate`
[INFO] [stdout]   --> src/epidem/sirs.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     deathrate: ConstantRate,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `basic`
[INFO] [stdout]   --> src/epidem/transition.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 |     basic: Transition,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 13 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.11s
[INFO] running `Command { std: "docker" "inspect" "86fea56932244f9b20c8abccec9f68c3722a48734d2cdda16d0043770fb80dae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86fea56932244f9b20c8abccec9f68c3722a48734d2cdda16d0043770fb80dae", kill_on_drop: false }`
[INFO] [stdout] 86fea56932244f9b20c8abccec9f68c3722a48734d2cdda16d0043770fb80dae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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] 184e928a764ebe48965e1b7101fc43268721deb6ba1aca32db6b76ede869d25d
[INFO] running `Command { std: "docker" "start" "-a" "184e928a764ebe48965e1b7101fc43268721deb6ba1aca32db6b76ede869d25d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `from`
[INFO] [stderr]  --> src/epidem/transition.rs:9:62
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stderr]   |                                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_from`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `to`
[INFO] [stderr]  --> src/epidem/transition.rs:9:76
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn transition<T: IsCompartment, V: IsCompartment>(&self, from: &mut T, to: &mut V) {}
[INFO] [stderr]   |                                                                            ^^ help: if this is intentional, prefix it with an underscore: `_to`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `name`
[INFO] [stderr]  --> src/epidem/compartment.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 |     name: String,
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `population`
[INFO] [stderr]   --> src/epidem/sir.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     population: Compartment,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dead`
[INFO] [stderr]   --> src/epidem/sir.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     dead: Compartment,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `birthrate`
[INFO] [stderr]   --> src/epidem/sir.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     birthrate: ConstantRate,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `deathrate`
[INFO] [stderr]   --> src/epidem/sir.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     deathrate: ConstantRate,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `population`
[INFO] [stderr]   --> src/epidem/sirs.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 |     population: Compartment,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `dead`
[INFO] [stderr]   --> src/epidem/sirs.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     dead: Compartment,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `birthrate`
[INFO] [stderr]   --> src/epidem/sirs.rs:18:5
[INFO] [stderr]    |
[INFO] [stderr] 18 |     birthrate: ConstantRate,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `deathrate`
[INFO] [stderr]   --> src/epidem/sirs.rs:19:5
[INFO] [stderr]    |
[INFO] [stderr] 19 |     deathrate: ConstantRate,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `basic`
[INFO] [stderr]   --> src/epidem/transition.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     basic: Transition,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `basic`
[INFO] [stderr]   --> src/epidem/transition.rs:35:5
[INFO] [stderr]    |
[INFO] [stderr] 35 |     basic: Transition,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `epidem` (lib) generated 13 warnings
[INFO] [stderr] warning: `epidem` (lib test) generated 13 warnings (13 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.39s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/epidem-b72148d637f2e734)
[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/epidem-dc5b28273956a85b)
[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 epidem
[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" "184e928a764ebe48965e1b7101fc43268721deb6ba1aca32db6b76ede869d25d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "184e928a764ebe48965e1b7101fc43268721deb6ba1aca32db6b76ede869d25d", kill_on_drop: false }`
[INFO] [stdout] 184e928a764ebe48965e1b7101fc43268721deb6ba1aca32db6b76ede869d25d