[INFO] cloning repository https://github.com/drewandrewd/RustLesson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/drewandrewd/RustLesson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewandrewd%2FRustLesson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewandrewd%2FRustLesson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a53548923a3a7bb70cfc959ab3463a1b5edb16b
[INFO] testing drewandrewd/RustLesson against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdrewandrewd%2FRustLesson" "/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/drewandrewd/RustLesson on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/drewandrewd/RustLesson
[INFO] finished tweaking git repo https://github.com/drewandrewd/RustLesson
[INFO] tweaked toml for git repo https://github.com/drewandrewd/RustLesson written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/drewandrewd/RustLesson already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 18973a6187f460950618338b2d1c24ccd53aa9781f3eb6ac5d9799426a52c588
[INFO] running `Command { std: "docker" "start" "-a" "18973a6187f460950618338b2d1c24ccd53aa9781f3eb6ac5d9799426a52c588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18973a6187f460950618338b2d1c24ccd53aa9781f3eb6ac5d9799426a52c588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18973a6187f460950618338b2d1c24ccd53aa9781f3eb6ac5d9799426a52c588", kill_on_drop: false }`
[INFO] [stdout] 18973a6187f460950618338b2d1c24ccd53aa9781f3eb6ac5d9799426a52c588
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d988d12d6edae9cbb7e9f585a6d0f4551a6fcb10e3a326671dfae660438ee276
[INFO] running `Command { std: "docker" "start" "-a" "d988d12d6edae9cbb7e9f585a6d0f4551a6fcb10e3a326671dfae660438ee276", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling RustLesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustLesson` 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: `rust_lesson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 46s
[INFO] running `Command { std: "docker" "inspect" "d988d12d6edae9cbb7e9f585a6d0f4551a6fcb10e3a326671dfae660438ee276", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d988d12d6edae9cbb7e9f585a6d0f4551a6fcb10e3a326671dfae660438ee276", kill_on_drop: false }`
[INFO] [stdout] d988d12d6edae9cbb7e9f585a6d0f4551a6fcb10e3a326671dfae660438ee276
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0125c1ba3b70dc6ebcb255250bcf798bd0e9a1f63d1c15df44df225e0ae0e3a
[INFO] running `Command { std: "docker" "start" "-a" "c0125c1ba3b70dc6ebcb255250bcf798bd0e9a1f63d1c15df44df225e0ae0e3a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling RustLesson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `RustLesson` 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: `rust_lesson`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.92s
[INFO] running `Command { std: "docker" "inspect" "c0125c1ba3b70dc6ebcb255250bcf798bd0e9a1f63d1c15df44df225e0ae0e3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0125c1ba3b70dc6ebcb255250bcf798bd0e9a1f63d1c15df44df225e0ae0e3a", kill_on_drop: false }`
[INFO] [stdout] c0125c1ba3b70dc6ebcb255250bcf798bd0e9a1f63d1c15df44df225e0ae0e3a
[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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0b187d566ffb939a4b7f59470f71f8e621f3f90346af50b34a3f9ebd9fd080a
[INFO] running `Command { std: "docker" "start" "-a" "b0b187d566ffb939a4b7f59470f71f8e621f3f90346af50b34a3f9ebd9fd080a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: crate `RustLesson` 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: `rust_lesson`
[INFO] [stderr] 
[INFO] [stderr] warning: `RustLesson` (bin "RustLesson" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.80s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/RustLesson-07a4491f09cd8b88)
[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" "b0b187d566ffb939a4b7f59470f71f8e621f3f90346af50b34a3f9ebd9fd080a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0b187d566ffb939a4b7f59470f71f8e621f3f90346af50b34a3f9ebd9fd080a", kill_on_drop: false }`
[INFO] [stdout] b0b187d566ffb939a4b7f59470f71f8e621f3f90346af50b34a3f9ebd9fd080a