[INFO] cloning repository https://github.com/nlflint/Sieve
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nlflint/Sieve" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2FSieve", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2FSieve'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 962033d154f67b4d37976ab594f54d40eb24996c
[INFO] testing nlflint/Sieve against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnlflint%2FSieve" "/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/nlflint/Sieve 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/nlflint/Sieve
[INFO] finished tweaking git repo https://github.com/nlflint/Sieve
[INFO] tweaked toml for git repo https://github.com/nlflint/Sieve written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/nlflint/Sieve 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] 7074c3088d91d27914927eb4d262cb782165de1f6866a8e7a5b7ce487bd21e27
[INFO] running `Command { std: "docker" "start" "-a" "7074c3088d91d27914927eb4d262cb782165de1f6866a8e7a5b7ce487bd21e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7074c3088d91d27914927eb4d262cb782165de1f6866a8e7a5b7ce487bd21e27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7074c3088d91d27914927eb4d262cb782165de1f6866a8e7a5b7ce487bd21e27", kill_on_drop: false }`
[INFO] [stdout] 7074c3088d91d27914927eb4d262cb782165de1f6866a8e7a5b7ce487bd21e27
[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] 807cbcd1df28fbbda09d22f95cf357c0b776277707a16431829105f8fd315590
[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" "807cbcd1df28fbbda09d22f95cf357c0b776277707a16431829105f8fd315590", kill_on_drop: false }`
[INFO] [stderr]    Compiling Sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Sieve` 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: `sieve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.89s
[INFO] running `Command { std: "docker" "inspect" "807cbcd1df28fbbda09d22f95cf357c0b776277707a16431829105f8fd315590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "807cbcd1df28fbbda09d22f95cf357c0b776277707a16431829105f8fd315590", kill_on_drop: false }`
[INFO] [stdout] 807cbcd1df28fbbda09d22f95cf357c0b776277707a16431829105f8fd315590
[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] f6cb23cf59652f87b9ddd5eeb11e144eaf4d42b4c5e92052fca5d0d5410b717d
[INFO] running `Command { std: "docker" "start" "-a" "f6cb23cf59652f87b9ddd5eeb11e144eaf4d42b4c5e92052fca5d0d5410b717d", kill_on_drop: false }`
[INFO] [stderr]    Compiling Sieve v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `Sieve` 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: `sieve`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.08s
[INFO] running `Command { std: "docker" "inspect" "f6cb23cf59652f87b9ddd5eeb11e144eaf4d42b4c5e92052fca5d0d5410b717d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6cb23cf59652f87b9ddd5eeb11e144eaf4d42b4c5e92052fca5d0d5410b717d", kill_on_drop: false }`
[INFO] [stdout] f6cb23cf59652f87b9ddd5eeb11e144eaf4d42b4c5e92052fca5d0d5410b717d
[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] ff60c2db5540ee818bc4ca48581f6936d8504dce6b96279ae6d7aaf1e1721d21
[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" "ff60c2db5540ee818bc4ca48581f6936d8504dce6b96279ae6d7aaf1e1721d21", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr] warning: crate `Sieve` should have a snake case name
[INFO] [stdout] running 4 tests
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `sieve`
[INFO] [stderr] 
[INFO] [stderr] warning: `Sieve` (bin "Sieve" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/Sieve-27451463d1ce4d9c)
[INFO] [stdout] test primes_to_hundred ... ok
[INFO] [stdout] test primes_to_ten ... ok
[INFO] [stdout] test primes_to_tenthousand ... ok
[INFO] [stdout] test primes_to_thousand ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ff60c2db5540ee818bc4ca48581f6936d8504dce6b96279ae6d7aaf1e1721d21", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff60c2db5540ee818bc4ca48581f6936d8504dce6b96279ae6d7aaf1e1721d21", kill_on_drop: false }`
[INFO] [stdout] ff60c2db5540ee818bc4ca48581f6936d8504dce6b96279ae6d7aaf1e1721d21