[INFO] cloning repository https://github.com/rarebreed/retro-service
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rarebreed/retro-service" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f8f98b6aa47e930ff7c2edb96c359aba6bc11d0
[INFO] testing rarebreed/retro-service against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frarebreed%2Fretro-service" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rarebreed/retro-service on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rarebreed/retro-service
[INFO] finished tweaking git repo https://github.com/rarebreed/retro-service
[INFO] tweaked toml for git repo https://github.com/rarebreed/retro-service written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rarebreed/retro-service already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] da2e0866628c4c9baec743e880cd1b48121174d56b4a405f783250b60ea8d56f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "da2e0866628c4c9baec743e880cd1b48121174d56b4a405f783250b60ea8d56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "da2e0866628c4c9baec743e880cd1b48121174d56b4a405f783250b60ea8d56f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da2e0866628c4c9baec743e880cd1b48121174d56b4a405f783250b60ea8d56f", kill_on_drop: false }`
[INFO] [stdout] da2e0866628c4c9baec743e880cd1b48121174d56b4a405f783250b60ea8d56f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9adbbf706471998fcc16adfa57a490cabca4ca644a01d85a08e0c2e661363d3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b9adbbf706471998fcc16adfa57a490cabca4ca644a01d85a08e0c2e661363d3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling getrandom v0.2.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling rand_core v0.6.0
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling serde_yaml v0.8.17
[INFO] [stderr]    Compiling retro v0.1.0 (/opt/rustwide/workdir/retro)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> retro/src/tasks/probability.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::collections::{HashMap};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory`
[INFO] [stdout]    --> retro/src/characteristics.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub memory: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `analysis`
[INFO] [stdout]    --> retro/src/characteristics.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub analysis: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insight`
[INFO] [stdout]    --> retro/src/characteristics.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub insight: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `creativity`
[INFO] [stdout]    --> retro/src/characteristics.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub creativity: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `discipline`
[INFO] [stdout]    --> retro/src/characteristics.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub discipline: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `focus`
[INFO] [stdout]    --> retro/src/characteristics.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub focus: Attribute<f32, f32>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `physical`
[INFO] [stdout]    --> retro/src/characteristics.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub physical: PhysicalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mental`
[INFO] [stdout]    --> retro/src/characteristics.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub mental: MentalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `social`
[INFO] [stdout]    --> retro/src/characteristics.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub social: SocialPrimaryCharacteristics
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.38s
[INFO] running `Command { std: "docker" "inspect" "b9adbbf706471998fcc16adfa57a490cabca4ca644a01d85a08e0c2e661363d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9adbbf706471998fcc16adfa57a490cabca4ca644a01d85a08e0c2e661363d3", kill_on_drop: false }`
[INFO] [stdout] b9adbbf706471998fcc16adfa57a490cabca4ca644a01d85a08e0c2e661363d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 14e7bc494118f481c75b9f94fa84888294db6f89cb48764897db1e207b3ca343
[INFO] running `Command { std: "docker" "start" "-a" "14e7bc494118f481c75b9f94fa84888294db6f89cb48764897db1e207b3ca343", kill_on_drop: false }`
[INFO] [stderr]    Compiling retro v0.1.0 (/opt/rustwide/workdir/retro)
[INFO] [stdout] warning: unused import: `HashMap`
[INFO] [stdout]   --> retro/src/tasks/probability.rs:15:24
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::collections::{HashMap};
[INFO] [stdout]    |                        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory`
[INFO] [stdout]    --> retro/src/characteristics.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub memory: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `analysis`
[INFO] [stdout]    --> retro/src/characteristics.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub analysis: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insight`
[INFO] [stdout]    --> retro/src/characteristics.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub insight: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `creativity`
[INFO] [stdout]    --> retro/src/characteristics.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub creativity: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `discipline`
[INFO] [stdout]    --> retro/src/characteristics.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub discipline: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `focus`
[INFO] [stdout]    --> retro/src/characteristics.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub focus: Attribute<f32, f32>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `physical`
[INFO] [stdout]    --> retro/src/characteristics.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub physical: PhysicalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mental`
[INFO] [stdout]    --> retro/src/characteristics.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub mental: MentalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `social`
[INFO] [stdout]    --> retro/src/characteristics.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub social: SocialPrimaryCharacteristics
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `n`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:171:13
[INFO] [stdout]     |
[INFO] [stdout] 171 |         for n in 0..100000 {
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `roll`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:172:29
[INFO] [stdout]     |
[INFO] [stdout] 172 |             let (successes, roll) = get_successes(&pool, 5, 10);
[INFO] [stdout]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `foo`
[INFO] [stdout]    --> retro/src/tasks/probability.rs:185:13
[INFO] [stdout]     |
[INFO] [stdout] 185 |         let foo = avg.into_iter().fold(&mut scores, |acc, next| {
[INFO] [stdout]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `memory`
[INFO] [stdout]    --> retro/src/characteristics.rs:162:5
[INFO] [stdout]     |
[INFO] [stdout] 162 |     pub memory: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `analysis`
[INFO] [stdout]    --> retro/src/characteristics.rs:163:5
[INFO] [stdout]     |
[INFO] [stdout] 163 |     pub analysis: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `insight`
[INFO] [stdout]    --> retro/src/characteristics.rs:164:5
[INFO] [stdout]     |
[INFO] [stdout] 164 |     pub insight: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `creativity`
[INFO] [stdout]    --> retro/src/characteristics.rs:165:5
[INFO] [stdout]     |
[INFO] [stdout] 165 |     pub creativity: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `discipline`
[INFO] [stdout]    --> retro/src/characteristics.rs:166:5
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub discipline: Attribute<f32, f32>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `focus`
[INFO] [stdout]    --> retro/src/characteristics.rs:167:5
[INFO] [stdout]     |
[INFO] [stdout] 167 |     pub focus: Attribute<f32, f32>
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `physical`
[INFO] [stdout]    --> retro/src/characteristics.rs:208:5
[INFO] [stdout]     |
[INFO] [stdout] 208 |     pub physical: PhysicalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `mental`
[INFO] [stdout]    --> retro/src/characteristics.rs:209:5
[INFO] [stdout]     |
[INFO] [stdout] 209 |     pub mental: MentalPrimaryCharacteristics,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `social`
[INFO] [stdout]    --> retro/src/characteristics.rs:210:5
[INFO] [stdout]     |
[INFO] [stdout] 210 |     pub social: SocialPrimaryCharacteristics
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.43s
[INFO] running `Command { std: "docker" "inspect" "14e7bc494118f481c75b9f94fa84888294db6f89cb48764897db1e207b3ca343", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14e7bc494118f481c75b9f94fa84888294db6f89cb48764897db1e207b3ca343", kill_on_drop: false }`
[INFO] [stdout] 14e7bc494118f481c75b9f94fa84888294db6f89cb48764897db1e207b3ca343
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8f6847277646a66e215b16f73bc4f150fa97654693d13abfeebad92d7efa163d
[INFO] running `Command { std: "docker" "start" "-a" "8f6847277646a66e215b16f73bc4f150fa97654693d13abfeebad92d7efa163d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused import: `HashMap`
[INFO] [stderr]   --> retro/src/tasks/probability.rs:15:24
[INFO] [stderr]    |
[INFO] [stderr] 15 | use std::collections::{HashMap};
[INFO] [stderr]    |                        ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `memory`
[INFO] [stderr]    --> retro/src/characteristics.rs:162:5
[INFO] [stderr]     |
[INFO] [stderr] 162 |     pub memory: Attribute<f32, f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `analysis`
[INFO] [stderr]    --> retro/src/characteristics.rs:163:5
[INFO] [stderr]     |
[INFO] [stderr] 163 |     pub analysis: Attribute<f32, f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `insight`
[INFO] [stderr]    --> retro/src/characteristics.rs:164:5
[INFO] [stderr]     |
[INFO] [stderr] 164 |     pub insight: Attribute<f32, f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `creativity`
[INFO] [stderr]    --> retro/src/characteristics.rs:165:5
[INFO] [stderr]     |
[INFO] [stderr] 165 |     pub creativity: Attribute<f32, f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `discipline`
[INFO] [stderr]    --> retro/src/characteristics.rs:166:5
[INFO] [stderr]     |
[INFO] [stderr] 166 |     pub discipline: Attribute<f32, f32>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `focus`
[INFO] [stderr]    --> retro/src/characteristics.rs:167:5
[INFO] [stderr]     |
[INFO] [stderr] 167 |     pub focus: Attribute<f32, f32>
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `physical`
[INFO] [stderr]    --> retro/src/characteristics.rs:208:5
[INFO] [stderr]     |
[INFO] [stderr] 208 |     pub physical: PhysicalPrimaryCharacteristics,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `mental`
[INFO] [stderr]    --> retro/src/characteristics.rs:209:5
[INFO] [stderr]     |
[INFO] [stderr] 209 |     pub mental: MentalPrimaryCharacteristics,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `social`
[INFO] [stderr]    --> retro/src/characteristics.rs:210:5
[INFO] [stderr]     |
[INFO] [stderr] 210 |     pub social: SocialPrimaryCharacteristics
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `n`
[INFO] [stderr]    --> retro/src/tasks/probability.rs:171:13
[INFO] [stderr]     |
[INFO] [stderr] 171 |         for n in 0..100000 {
[INFO] [stderr]     |             ^ help: if this is intentional, prefix it with an underscore: `_n`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `roll`
[INFO] [stderr]    --> retro/src/tasks/probability.rs:172:29
[INFO] [stderr]     |
[INFO] [stderr] 172 |             let (successes, roll) = get_successes(&pool, 5, 10);
[INFO] [stderr]     |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_roll`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `foo`
[INFO] [stderr]    --> retro/src/tasks/probability.rs:185:13
[INFO] [stderr]     |
[INFO] [stderr] 185 |         let foo = avg.into_iter().fold(&mut scores, |acc, next| {
[INFO] [stderr]     |             ^^^ help: if this is intentional, prefix it with an underscore: `_foo`
[INFO] [stderr] 
[INFO] [stderr] warning: `retro` (lib) generated 10 warnings
[INFO] [stderr] warning: `retro` (lib test) generated 12 warnings (9 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/retro-479b950e1ccce17b)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tasks::probability::tests::pool4d20 ... ok
[INFO] [stderr]    Doc-tests retro
[INFO] [stdout] test tasks::probability::tests::average10of20 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.18s
[INFO] [stdout] 
[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" "8f6847277646a66e215b16f73bc4f150fa97654693d13abfeebad92d7efa163d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f6847277646a66e215b16f73bc4f150fa97654693d13abfeebad92d7efa163d", kill_on_drop: false }`
[INFO] [stdout] 8f6847277646a66e215b16f73bc4f150fa97654693d13abfeebad92d7efa163d