[INFO] cloning repository https://github.com/Sam-Bowden/Project-Delta
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Sam-Bowden/Project-Delta" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Bowden%2FProject-Delta", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Bowden%2FProject-Delta'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dae0e793a7fee99572efe481fc4d37b18a98210
[INFO] testing Sam-Bowden/Project-Delta against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSam-Bowden%2FProject-Delta" "/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/Sam-Bowden/Project-Delta on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Sam-Bowden/Project-Delta
[INFO] finished tweaking git repo https://github.com/Sam-Bowden/Project-Delta
[INFO] tweaked toml for git repo https://github.com/Sam-Bowden/Project-Delta written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/Sam-Bowden/Project-Delta already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3634994ec299817c6b33e3a8fd09d82eb04d5ee72d430e81955007067dd83c06
[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" "3634994ec299817c6b33e3a8fd09d82eb04d5ee72d430e81955007067dd83c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3634994ec299817c6b33e3a8fd09d82eb04d5ee72d430e81955007067dd83c06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3634994ec299817c6b33e3a8fd09d82eb04d5ee72d430e81955007067dd83c06", kill_on_drop: false }`
[INFO] [stdout] 3634994ec299817c6b33e3a8fd09d82eb04d5ee72d430e81955007067dd83c06
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3920eebdca28d43c7f243d0f3fd2822fc07c0c46e27131792f04e6401480a6c9
[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" "3920eebdca28d43c7f243d0f3fd2822fc07c0c46e27131792f04e6401480a6c9", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling quick-xml v0.20.0
[INFO] [stderr]    Compiling minidom v0.13.0
[INFO] [stderr]    Compiling gamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/core.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/core.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `levels`
[INFO] [stdout]    --> src/core.rs:193:55
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_levels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.36s
[INFO] running `Command { std: "docker" "inspect" "3920eebdca28d43c7f243d0f3fd2822fc07c0c46e27131792f04e6401480a6c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3920eebdca28d43c7f243d0f3fd2822fc07c0c46e27131792f04e6401480a6c9", kill_on_drop: false }`
[INFO] [stdout] 3920eebdca28d43c7f243d0f3fd2822fc07c0c46e27131792f04e6401480a6c9
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7070d806b69d7b16667a8f6fe3e75f079236873e76cbac0f7471ac1959249f29
[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" "7070d806b69d7b16667a8f6fe3e75f079236873e76cbac0f7471ac1959249f29", kill_on_drop: false }`
[INFO] [stderr]    Compiling gamma v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `root`
[INFO] [stdout]    --> src/core.rs:193:21
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `level`
[INFO] [stdout]    --> src/core.rs:193:41
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `levels`
[INFO] [stdout]    --> src/core.rs:193:55
[INFO] [stdout]     |
[INFO] [stdout] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stdout]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_levels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "7070d806b69d7b16667a8f6fe3e75f079236873e76cbac0f7471ac1959249f29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7070d806b69d7b16667a8f6fe3e75f079236873e76cbac0f7471ac1959249f29", kill_on_drop: false }`
[INFO] [stdout] 7070d806b69d7b16667a8f6fe3e75f079236873e76cbac0f7471ac1959249f29
[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" "+62efba8a050c64249dab942951bb28f710208bc8" "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] c65a7828ef16828ba709e91f32c2f050ca1cc9f9d6792f6141d03535cd36b829
[INFO] running `Command { std: "docker" "start" "-a" "c65a7828ef16828ba709e91f32c2f050ca1cc9f9d6792f6141d03535cd36b829", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `root`
[INFO] [stderr]    --> src/core.rs:193:21
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stderr]     |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_root`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `level`
[INFO] [stderr]    --> src/core.rs:193:41
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stderr]     |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_level`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `levels`
[INFO] [stderr]    --> src/core.rs:193:55
[INFO] [stderr]     |
[INFO] [stderr] 193 | fn remove_from_tree(root: &mut Element, level: usize, levels: &Vec<Vec<&str>>) {
[INFO] [stderr]     |                                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_levels`
[INFO] [stderr] 
[INFO] [stderr] warning: `gamma` (bin "gamma" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/gamma-9aaeab8b6572ae2e)
[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" "c65a7828ef16828ba709e91f32c2f050ca1cc9f9d6792f6141d03535cd36b829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c65a7828ef16828ba709e91f32c2f050ca1cc9f9d6792f6141d03535cd36b829", kill_on_drop: false }`
[INFO] [stdout] c65a7828ef16828ba709e91f32c2f050ca1cc9f9d6792f6141d03535cd36b829