[INFO] fetching crate xn--rnd-6cd 0.1.0...
[INFO] testing xn--rnd-6cd-0.1.0 against 1.55.0 for beta-1.56-1
[INFO] extracting crate xn--rnd-6cd 0.1.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate xn--rnd-6cd 0.1.0 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 crates.io crate xn--rnd-6cd 0.1.0
[INFO] finished tweaking crates.io crate xn--rnd-6cd 0.1.0
[INFO] tweaked toml for crates.io crate xn--rnd-6cd 0.1.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate xn--rnd-6cd 0.1.0 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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] b05f6c65a10f9d78e81f0e112768c0bd42e85f997710c3e513f07dd83a7ee104
[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" "b05f6c65a10f9d78e81f0e112768c0bd42e85f997710c3e513f07dd83a7ee104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b05f6c65a10f9d78e81f0e112768c0bd42e85f997710c3e513f07dd83a7ee104", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b05f6c65a10f9d78e81f0e112768c0bd42e85f997710c3e513f07dd83a7ee104", kill_on_drop: false }`
[INFO] [stdout] b05f6c65a10f9d78e81f0e112768c0bd42e85f997710c3e513f07dd83a7ee104
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] b0243c95d68e36ea37d3947ca4806c6c7eb8b4c449359860d4283f9b511feb26
[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" "b0243c95d68e36ea37d3947ca4806c6c7eb8b4c449359860d4283f9b511feb26", kill_on_drop: false }`
[INFO] [stderr]    Compiling xn--rnd-6cd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `xn__rnd_6cd` 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: `xn_rnd_6cd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "b0243c95d68e36ea37d3947ca4806c6c7eb8b4c449359860d4283f9b511feb26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0243c95d68e36ea37d3947ca4806c6c7eb8b4c449359860d4283f9b511feb26", kill_on_drop: false }`
[INFO] [stdout] b0243c95d68e36ea37d3947ca4806c6c7eb8b4c449359860d4283f9b511feb26
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stdout] ccb2aad681838f70910834b94b835418ecd329265e2fcaf3c84cc4189590f37e
[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" "ccb2aad681838f70910834b94b835418ecd329265e2fcaf3c84cc4189590f37e", kill_on_drop: false }`
[INFO] [stderr]    Compiling xn--rnd-6cd v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: crate `xn__rnd_6cd` 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: `xn_rnd_6cd`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.02s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ccb2aad681838f70910834b94b835418ecd329265e2fcaf3c84cc4189590f37e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ccb2aad681838f70910834b94b835418ecd329265e2fcaf3c84cc4189590f37e", kill_on_drop: false }`
[INFO] [stdout] ccb2aad681838f70910834b94b835418ecd329265e2fcaf3c84cc4189590f37e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] 9e6a249d9ef64ad17a2f1463c8c8fd17a62edc26370e99c686a30e2f51d021ec
[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" "9e6a249d9ef64ad17a2f1463c8c8fd17a62edc26370e99c686a30e2f51d021ec", kill_on_drop: false }`
[INFO] [stderr] warning: crate `xn__rnd_6cd` 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: `xn_rnd_6cd`
[INFO] [stderr] 
[INFO] [stderr] warning: `xn--rnd-6cd` (bin "xn--rnd-6cd" test) generated 1 warning
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/xn__rnd_6cd-4ea7378216c004a1)
[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" "9e6a249d9ef64ad17a2f1463c8c8fd17a62edc26370e99c686a30e2f51d021ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e6a249d9ef64ad17a2f1463c8c8fd17a62edc26370e99c686a30e2f51d021ec", kill_on_drop: false }`
[INFO] [stdout] 9e6a249d9ef64ad17a2f1463c8c8fd17a62edc26370e99c686a30e2f51d021ec