[INFO] cloning repository https://github.com/maxm89/rsantas-workshop
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maxm89/rsantas-workshop" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxm89%2Frsantas-workshop", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxm89%2Frsantas-workshop'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 27ffdf603742d78043181ae83c9e62e960195857
[INFO] testing maxm89/rsantas-workshop against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaxm89%2Frsantas-workshop" "/workspace/builds/worker-38/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-38/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maxm89/rsantas-workshop on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maxm89/rsantas-workshop
[INFO] finished tweaking git repo https://github.com/maxm89/rsantas-workshop
[INFO] tweaked toml for git repo https://github.com/maxm89/rsantas-workshop written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate git repo https://github.com/maxm89/rsantas-workshop already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.unused_variables
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bstr v0.2.9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 02c1ec1b9b922f1319e31565a242bc55809638e0c53c7c65ae73458a71b80b4f
[INFO] running `Command { std: "docker" "start" "-a" "02c1ec1b9b922f1319e31565a242bc55809638e0c53c7c65ae73458a71b80b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "02c1ec1b9b922f1319e31565a242bc55809638e0c53c7c65ae73458a71b80b4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02c1ec1b9b922f1319e31565a242bc55809638e0c53c7c65ae73458a71b80b4f", kill_on_drop: false }`
[INFO] [stdout] 02c1ec1b9b922f1319e31565a242bc55809638e0c53c7c65ae73458a71b80b4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 754a2c509907a8ba84d01bdd5bcf30d17f200f56f5803575129045dd6407d189
[INFO] running `Command { std: "docker" "start" "-a" "754a2c509907a8ba84d01bdd5bcf30d17f200f56f5803575129045dd6407d189", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.unused_variables
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling syn v1.0.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling regex-automata v0.1.8
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling csv-core v0.1.6
[INFO] [stderr]    Compiling bstr v0.2.9
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling csv v1.1.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling rsantas-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/santa.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut costs: f32 = 0.0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 34.11s
[INFO] running `Command { std: "docker" "inspect" "754a2c509907a8ba84d01bdd5bcf30d17f200f56f5803575129045dd6407d189", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754a2c509907a8ba84d01bdd5bcf30d17f200f56f5803575129045dd6407d189", kill_on_drop: false }`
[INFO] [stdout] 754a2c509907a8ba84d01bdd5bcf30d17f200f56f5803575129045dd6407d189
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a975d1e73e9f2480919beac7fecc0aa75a19a3a8ae3be0c6c5d8b94b59efc078
[INFO] running `Command { std: "docker" "start" "-a" "a975d1e73e9f2480919beac7fecc0aa75a19a3a8ae3be0c6c5d8b94b59efc078", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.unused_variables
[INFO] [stderr]    Compiling rsantas-workshop v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/santa.rs:40:13
[INFO] [stdout]    |
[INFO] [stdout] 40 |         let mut costs: f32 = 0.0;
[INFO] [stdout]    |             ----^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` 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 1.11s
[INFO] running `Command { std: "docker" "inspect" "a975d1e73e9f2480919beac7fecc0aa75a19a3a8ae3be0c6c5d8b94b59efc078", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a975d1e73e9f2480919beac7fecc0aa75a19a3a8ae3be0c6c5d8b94b59efc078", kill_on_drop: false }`
[INFO] [stdout] a975d1e73e9f2480919beac7fecc0aa75a19a3a8ae3be0c6c5d8b94b59efc078
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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" "+722e1797249a965b6335aebd65d777f917e498f1" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d2a013d3f4cabbe538fdf9e4a0192b83855837e80e2fc255de6cdf2b4503e9a4
[INFO] running `Command { std: "docker" "start" "-a" "d2a013d3f4cabbe538fdf9e4a0192b83855837e80e2fc255de6cdf2b4503e9a4", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: profile.dev.unused_variables
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/santa.rs:40:13
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 40 |         let mut costs: f32 = 0.0;
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |             ----^^^^^
[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]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rsantas-workshop` (bin "rsantas-workshop" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rsantas_workshop-4fffbb22f093c8ea)
[INFO] running `Command { std: "docker" "inspect" "d2a013d3f4cabbe538fdf9e4a0192b83855837e80e2fc255de6cdf2b4503e9a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d2a013d3f4cabbe538fdf9e4a0192b83855837e80e2fc255de6cdf2b4503e9a4", kill_on_drop: false }`
[INFO] [stdout] d2a013d3f4cabbe538fdf9e4a0192b83855837e80e2fc255de6cdf2b4503e9a4