[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhavardh%2Ftracer" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/havardh/tracer on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-5/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-5/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", 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] 4d6ee3056dba84565dee91e2e51705e40d1e3afbcd813dbc4954991a8f88b228
[INFO] running `Command { std: "docker" "start" "-a" "4d6ee3056dba84565dee91e2e51705e40d1e3afbcd813dbc4954991a8f88b228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d6ee3056dba84565dee91e2e51705e40d1e3afbcd813dbc4954991a8f88b228", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d6ee3056dba84565dee91e2e51705e40d1e3afbcd813dbc4954991a8f88b228", kill_on_drop: false }`
[INFO] [stdout] 4d6ee3056dba84565dee91e2e51705e40d1e3afbcd813dbc4954991a8f88b228
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] b5306043fef1b43dd70f9a5a4c713d5e5b705b4555e4e5f90888aa10524f3018
[INFO] running `Command { std: "docker" "start" "-a" "b5306043fef1b43dd70f9a5a4c713d5e5b705b4555e4e5f90888aa10524f3018", kill_on_drop: false }`
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling bmp v0.5.0
[INFO] [stderr]    Compiling rand v0.3.23
[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 4.24s
[INFO] running `Command { std: "docker" "inspect" "b5306043fef1b43dd70f9a5a4c713d5e5b705b4555e4e5f90888aa10524f3018", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5306043fef1b43dd70f9a5a4c713d5e5b705b4555e4e5f90888aa10524f3018", kill_on_drop: false }`
[INFO] [stdout] b5306043fef1b43dd70f9a5a4c713d5e5b705b4555e4e5f90888aa10524f3018
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37e72c84c3354af0d31192cb41dd1c1725c6be17f57c3bc4e36e6964b31d8bd1
[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" "37e72c84c3354af0d31192cb41dd1c1725c6be17f57c3bc4e36e6964b31d8bd1", 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 0.85s
[INFO] running `Command { std: "docker" "inspect" "37e72c84c3354af0d31192cb41dd1c1725c6be17f57c3bc4e36e6964b31d8bd1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37e72c84c3354af0d31192cb41dd1c1725c6be17f57c3bc4e36e6964b31d8bd1", kill_on_drop: false }`
[INFO] [stdout] 37e72c84c3354af0d31192cb41dd1c1725c6be17f57c3bc4e36e6964b31d8bd1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 46c89d5b32fbdd7725c03c89a8df42a318771cdc85ff59828e894c6c23182bf0
[INFO] running `Command { std: "docker" "start" "-a" "46c89d5b32fbdd7725c03c89a8df42a318771cdc85ff59828e894c6c23182bf0", 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] [stderr]   |             ^^^^  ^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tracer-cf69c01e3c822ed0
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "46c89d5b32fbdd7725c03c89a8df42a318771cdc85ff59828e894c6c23182bf0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "46c89d5b32fbdd7725c03c89a8df42a318771cdc85ff59828e894c6c23182bf0", kill_on_drop: false }`
[INFO] [stdout] 46c89d5b32fbdd7725c03c89a8df42a318771cdc85ff59828e894c6c23182bf0