[INFO] cloning repository https://github.com/havardh/tracer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/havardh/tracer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhavardh%2Ftracer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhavardh%2Ftracer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a8adbc9889f2f1562b2e9e43639c17ff8838abd
[INFO] testing havardh/tracer against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhavardh%2Ftracer" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/havardh/tracer on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/havardh/tracer
[INFO] finished tweaking git repo https://github.com/havardh/tracer
[INFO] tweaked toml for git repo https://github.com/havardh/tracer written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/havardh/tracer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6c7095a815e978e5e9d9f845ed905eec16a2a030b32410912692f074fd738fa
[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" "c6c7095a815e978e5e9d9f845ed905eec16a2a030b32410912692f074fd738fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6c7095a815e978e5e9d9f845ed905eec16a2a030b32410912692f074fd738fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6c7095a815e978e5e9d9f845ed905eec16a2a030b32410912692f074fd738fa", kill_on_drop: false }`
[INFO] [stdout] c6c7095a815e978e5e9d9f845ed905eec16a2a030b32410912692f074fd738fa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f35050ac10a9de360926a39b17ffa3cd86508b469b68ebba29447755daa7cc0c
[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" "f35050ac10a9de360926a39b17ffa3cd86508b469b68ebba29447755daa7cc0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.11
[INFO] [stderr]    Compiling byteorder v0.3.13
[INFO] [stderr]    Compiling bmp v0.1.4
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `self`
[INFO] [stdout]  --> src/sphere.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{ self, Rng };
[INFO] [stdout]   |             ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 4.23s
[INFO] running `Command { std: "docker" "inspect" "f35050ac10a9de360926a39b17ffa3cd86508b469b68ebba29447755daa7cc0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f35050ac10a9de360926a39b17ffa3cd86508b469b68ebba29447755daa7cc0c", kill_on_drop: false }`
[INFO] [stdout] f35050ac10a9de360926a39b17ffa3cd86508b469b68ebba29447755daa7cc0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3b90d8be22451e642d41bcb6aefd395d6ae2bc2b0bd7253f79f6e1a78f9d61a5
[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" "3b90d8be22451e642d41bcb6aefd395d6ae2bc2b0bd7253f79f6e1a78f9d61a5", kill_on_drop: false }`
[INFO] [stderr]    Compiling tracer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Rng`, `self`
[INFO] [stdout]  --> src/sphere.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use rand::{ self, Rng };
[INFO] [stdout]   |             ^^^^  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` 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 0.96s
[INFO] running `Command { std: "docker" "inspect" "3b90d8be22451e642d41bcb6aefd395d6ae2bc2b0bd7253f79f6e1a78f9d61a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b90d8be22451e642d41bcb6aefd395d6ae2bc2b0bd7253f79f6e1a78f9d61a5", kill_on_drop: false }`
[INFO] [stdout] 3b90d8be22451e642d41bcb6aefd395d6ae2bc2b0bd7253f79f6e1a78f9d61a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bfba9c9d83c7d1b02d6f41f8180f7bc40a9d83ce9e6799d9bd5cf5dde8c5869e
[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" "bfba9c9d83c7d1b02d6f41f8180f7bc40a9d83ce9e6799d9bd5cf5dde8c5869e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Rng`, `self`
[INFO] [stderr]  --> src/sphere.rs:1:13
[INFO] [stderr]   |
[INFO] [stderr] 1 | use rand::{ self, Rng };
[INFO] [stdout] 
[INFO] [stderr]   |             ^^^^  ^^^
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stderr] warning: `tracer` (bin "tracer" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/tracer-ae13035bb3727273)
[INFO] running `Command { std: "docker" "inspect" "bfba9c9d83c7d1b02d6f41f8180f7bc40a9d83ce9e6799d9bd5cf5dde8c5869e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfba9c9d83c7d1b02d6f41f8180f7bc40a9d83ce9e6799d9bd5cf5dde8c5869e", kill_on_drop: false }`
[INFO] [stdout] bfba9c9d83c7d1b02d6f41f8180f7bc40a9d83ce9e6799d9bd5cf5dde8c5869e