[INFO] cloning repository https://github.com/SpasZahariev/rust-tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SpasZahariev/rust-tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Frust-tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Frust-tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 18b0e38abeb5e9007692ee8e603935bff1022476
[INFO] testing SpasZahariev/rust-tutorial against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSpasZahariev%2Frust-tutorial" "/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/SpasZahariev/rust-tutorial on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SpasZahariev/rust-tutorial
[INFO] finished tweaking git repo https://github.com/SpasZahariev/rust-tutorial
[INFO] tweaked toml for git repo https://github.com/SpasZahariev/rust-tutorial written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/SpasZahariev/rust-tutorial already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "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] ceceff476cf72c6a0c2e3061c141a2e038bf80f0245bd38bd1005f452de51196
[INFO] running `Command { std: "docker" "start" "-a" "ceceff476cf72c6a0c2e3061c141a2e038bf80f0245bd38bd1005f452de51196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceceff476cf72c6a0c2e3061c141a2e038bf80f0245bd38bd1005f452de51196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceceff476cf72c6a0c2e3061c141a2e038bf80f0245bd38bd1005f452de51196", kill_on_drop: false }`
[INFO] [stdout] ceceff476cf72c6a0c2e3061c141a2e038bf80f0245bd38bd1005f452de51196
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f3c3090f2365413bd4cfbd3868a8a8930b71e44307d5c4dfa613e9bb5db2e0e6
[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" "f3c3090f2365413bd4cfbd3868a8a8930b71e44307d5c4dfa613e9bb5db2e0e6", kill_on_drop: false }`
[INFO] [stderr]    Compiling Hello_World v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Hello_World` 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: `hello_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.90s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f3c3090f2365413bd4cfbd3868a8a8930b71e44307d5c4dfa613e9bb5db2e0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3c3090f2365413bd4cfbd3868a8a8930b71e44307d5c4dfa613e9bb5db2e0e6", kill_on_drop: false }`
[INFO] [stdout] f3c3090f2365413bd4cfbd3868a8a8930b71e44307d5c4dfa613e9bb5db2e0e6
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--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] 0057e04f41b474d8c66dc592bac7dc3173aa1bf25d9babc7386f127dd6a30aa1
[INFO] running `Command { std: "docker" "start" "-a" "0057e04f41b474d8c66dc592bac7dc3173aa1bf25d9babc7386f127dd6a30aa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling Hello_World v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Hello_World` 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: `hello_world`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "0057e04f41b474d8c66dc592bac7dc3173aa1bf25d9babc7386f127dd6a30aa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0057e04f41b474d8c66dc592bac7dc3173aa1bf25d9babc7386f127dd6a30aa1", kill_on_drop: false }`
[INFO] [stdout] 0057e04f41b474d8c66dc592bac7dc3173aa1bf25d9babc7386f127dd6a30aa1
[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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b8dc0c417210f5b48c15a7e072f61a6f27fe096684d479591f3bbe6107146ea
[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" "0b8dc0c417210f5b48c15a7e072f61a6f27fe096684d479591f3bbe6107146ea", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `Hello_World` should have a snake case name
[INFO] [stdout] running 0 tests
[INFO] [stderr]   |
[INFO] [stdout] 
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` 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]   = help: convert the identifier to snake case: `hello_world`
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stderr] warning: `Hello_World` (bin "Hello_World" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Hello_World-3328cefa702294ae)
[INFO] running `Command { std: "docker" "inspect" "0b8dc0c417210f5b48c15a7e072f61a6f27fe096684d479591f3bbe6107146ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b8dc0c417210f5b48c15a7e072f61a6f27fe096684d479591f3bbe6107146ea", kill_on_drop: false }`
[INFO] [stdout] 0b8dc0c417210f5b48c15a7e072f61a6f27fe096684d479591f3bbe6107146ea