[INFO] cloning repository https://github.com/Ramchaik/rust_basics
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Ramchaik/rust_basics" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamchaik%2Frust_basics", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamchaik%2Frust_basics'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bc0e896501de4533f3df12cf0a59902139cf43b3
[INFO] testing Ramchaik/rust_basics against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FRamchaik%2Frust_basics" "/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/Ramchaik/rust_basics 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/Ramchaik/rust_basics
[INFO] finished tweaking git repo https://github.com/Ramchaik/rust_basics
[INFO] tweaked toml for git repo https://github.com/Ramchaik/rust_basics written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/Ramchaik/rust_basics 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] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c60ba3e2c0addcfc66dcbf8549909bf0d2b65c042836f5d28f643047dc7d904a
[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" "c60ba3e2c0addcfc66dcbf8549909bf0d2b65c042836f5d28f643047dc7d904a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c60ba3e2c0addcfc66dcbf8549909bf0d2b65c042836f5d28f643047dc7d904a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c60ba3e2c0addcfc66dcbf8549909bf0d2b65c042836f5d28f643047dc7d904a", kill_on_drop: false }`
[INFO] [stdout] c60ba3e2c0addcfc66dcbf8549909bf0d2b65c042836f5d28f643047dc7d904a
[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=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] [stdout] 35ae7cd5a9b4b7e5de9bdf915e16e41e68894fa5ae838006d7ae8d44456a64a2
[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" "35ae7cd5a9b4b7e5de9bdf915e16e41e68894fa5ae838006d7ae8d44456a64a2", kill_on_drop: false }`
[INFO] [stderr]    Compiling crash_course_BT_YT v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `crash_course_BT_YT` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `crash_course_bt_yt`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "35ae7cd5a9b4b7e5de9bdf915e16e41e68894fa5ae838006d7ae8d44456a64a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ae7cd5a9b4b7e5de9bdf915e16e41e68894fa5ae838006d7ae8d44456a64a2", kill_on_drop: false }`
[INFO] [stdout] 35ae7cd5a9b4b7e5de9bdf915e16e41e68894fa5ae838006d7ae8d44456a64a2
[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=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] bb9472d39273f72f78a785ab7acfae0ca1b006f92abb3a218a0da93ee144eca1
[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" "bb9472d39273f72f78a785ab7acfae0ca1b006f92abb3a218a0da93ee144eca1", kill_on_drop: false }`
[INFO] [stderr]    Compiling crash_course_BT_YT v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `crash_course_BT_YT` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout]   = help: convert the identifier to snake case: `crash_course_bt_yt`
[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" "bb9472d39273f72f78a785ab7acfae0ca1b006f92abb3a218a0da93ee144eca1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb9472d39273f72f78a785ab7acfae0ca1b006f92abb3a218a0da93ee144eca1", kill_on_drop: false }`
[INFO] [stdout] bb9472d39273f72f78a785ab7acfae0ca1b006f92abb3a218a0da93ee144eca1
[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=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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fcb239da9ecca2880bbe49f55f97e7f08cd1d7a2f9d32dea108bd84f4a25f41d
[INFO] running `Command { std: "docker" "start" "-a" "fcb239da9ecca2880bbe49f55f97e7f08cd1d7a2f9d32dea108bd84f4a25f41d", kill_on_drop: false }`
[INFO] [stderr] warning: crate `crash_course_BT_YT` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `crash_course_bt_yt`
[INFO] [stderr] 
[INFO] [stderr] warning: `crash_course_BT_YT` (bin "crash_course_BT_YT" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/crash_course_BT_YT-6c32a32c58852b94)
[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" "fcb239da9ecca2880bbe49f55f97e7f08cd1d7a2f9d32dea108bd84f4a25f41d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fcb239da9ecca2880bbe49f55f97e7f08cd1d7a2f9d32dea108bd84f4a25f41d", kill_on_drop: false }`
[INFO] [stdout] fcb239da9ecca2880bbe49f55f97e7f08cd1d7a2f9d32dea108bd84f4a25f41d