[INFO] cloning repository https://github.com/bgillespie/rust-weasel
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bgillespie/rust-weasel" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Frust-weasel", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Frust-weasel'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1bad829b802ddda483fce8f8a32d4d4c0c0303ec
[INFO] testing bgillespie/rust-weasel against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbgillespie%2Frust-weasel" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bgillespie/rust-weasel 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/bgillespie/rust-weasel
[INFO] finished tweaking git repo https://github.com/bgillespie/rust-weasel
[INFO] tweaked toml for git repo https://github.com/bgillespie/rust-weasel written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/bgillespie/rust-weasel 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 4f49283c93d9c3b505394bf027e91c18e0635983dfc40fc0ccd059f0fe4c194d
[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" "4f49283c93d9c3b505394bf027e91c18e0635983dfc40fc0ccd059f0fe4c194d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4f49283c93d9c3b505394bf027e91c18e0635983dfc40fc0ccd059f0fe4c194d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f49283c93d9c3b505394bf027e91c18e0635983dfc40fc0ccd059f0fe4c194d", kill_on_drop: false }`
[INFO] [stdout] 4f49283c93d9c3b505394bf027e91c18e0635983dfc40fc0ccd059f0fe4c194d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f1530aa1d61124dd379818852e1caac57f21e3aa54853dbdd2d7c3658c1aea26
[INFO] running `Command { std: "docker" "start" "-a" "f1530aa1d61124dd379818852e1caac57f21e3aa54853dbdd2d7c3658c1aea26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling rust-weasel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |             let mut i = Individual::new(target.len());
[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: associated function is never used: `randomize`
[INFO] [stdout]    --> src/main.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn randomize(&mut self, max: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `roll`
[INFO] [stdout]    --> src/main.rs:116:8
[INFO] [stdout]     |
[INFO] [stdout] 116 |     fn roll(&mut self, index:usize, amount:isize, max: usize) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.90s
[INFO] running `Command { std: "docker" "inspect" "f1530aa1d61124dd379818852e1caac57f21e3aa54853dbdd2d7c3658c1aea26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1530aa1d61124dd379818852e1caac57f21e3aa54853dbdd2d7c3658c1aea26", kill_on_drop: false }`
[INFO] [stdout] f1530aa1d61124dd379818852e1caac57f21e3aa54853dbdd2d7c3658c1aea26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 43a598d4b398f240fef22c502770d7bf1964832b5502320669b3c4df3c7569f6
[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" "43a598d4b398f240fef22c502770d7bf1964832b5502320669b3c4df3c7569f6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-weasel v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:255:17
[INFO] [stdout]     |
[INFO] [stdout] 255 |             let mut i = Individual::new(target.len());
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:79:9
[INFO] [stdout]    |
[INFO] [stdout] 79 |     let mut v: [f64;2] = [3.0, 4.0];
[INFO] [stdout]    |         ----^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `randomize`
[INFO] [stdout]    --> src/main.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn randomize(&mut self, max: usize) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.36s
[INFO] running `Command { std: "docker" "inspect" "43a598d4b398f240fef22c502770d7bf1964832b5502320669b3c4df3c7569f6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43a598d4b398f240fef22c502770d7bf1964832b5502320669b3c4df3c7569f6", kill_on_drop: false }`
[INFO] [stdout] 43a598d4b398f240fef22c502770d7bf1964832b5502320669b3c4df3c7569f6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] da68dbda63574c50250c7c901095cd2d3d26b959c556d439f7871cc3651c74cb
[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" "da68dbda63574c50250c7c901095cd2d3d26b959c556d439f7871cc3651c74cb", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stdout] running 5 tests
[INFO] [stderr]    --> src/main.rs:255:17
[INFO] [stdout] test test_individual::test_crossover ... ok
[INFO] [stderr]     |
[INFO] [stdout] test test_individual::test_roll ... ok
[INFO] [stderr] 255 |             let mut i = Individual::new(target.len());
[INFO] [stdout] test test_index_of_container ... ok
[INFO] [stderr]     |                 ----^
[INFO] [stdout] test test_pythagoras_distance ... ok
[INFO] [stderr]     |                 |
[INFO] [stdout] test test_individual::test_distances ... ok
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 5 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |     let mut v: [f64;2] = [3.0, 4.0];
[INFO] [stderr]    |         ----^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `randomize`
[INFO] [stderr]    --> src/main.rs:108:8
[INFO] [stderr]     |
[INFO] [stderr] 108 |     fn randomize(&mut self, max: usize) {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `rust-weasel` (bin "rust-weasel" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rust_weasel-4d54de49ec280e45)
[INFO] running `Command { std: "docker" "inspect" "da68dbda63574c50250c7c901095cd2d3d26b959c556d439f7871cc3651c74cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da68dbda63574c50250c7c901095cd2d3d26b959c556d439f7871cc3651c74cb", kill_on_drop: false }`
[INFO] [stdout] da68dbda63574c50250c7c901095cd2d3d26b959c556d439f7871cc3651c74cb