[INFO] fetching crate xmark 0.0.0...
[INFO] testing xmark-0.0.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate xmark 0.0.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate xmark 0.0.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate xmark 0.0.0
[INFO] finished tweaking crates.io crate xmark 0.0.0
[INFO] tweaked toml for crates.io crate xmark 0.0.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate xmark 0.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8532cad360f1148fb99b1ca8a598901308e72770bfda9b5738ce9df138ad2c65
[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" "8532cad360f1148fb99b1ca8a598901308e72770bfda9b5738ce9df138ad2c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8532cad360f1148fb99b1ca8a598901308e72770bfda9b5738ce9df138ad2c65", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8532cad360f1148fb99b1ca8a598901308e72770bfda9b5738ce9df138ad2c65", kill_on_drop: false }`
[INFO] [stdout] 8532cad360f1148fb99b1ca8a598901308e72770bfda9b5738ce9df138ad2c65
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e38f94b664eb6657933f2b0d3db15994c7f41cf9cd708774f2509fd2fb70ac2
[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" "3e38f94b664eb6657933f2b0d3db15994c7f41cf9cd708774f2509fd2fb70ac2", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmark v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.37s
[INFO] running `Command { std: "docker" "inspect" "3e38f94b664eb6657933f2b0d3db15994c7f41cf9cd708774f2509fd2fb70ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e38f94b664eb6657933f2b0d3db15994c7f41cf9cd708774f2509fd2fb70ac2", kill_on_drop: false }`
[INFO] [stdout] 3e38f94b664eb6657933f2b0d3db15994c7f41cf9cd708774f2509fd2fb70ac2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4d6a3431c6922b098e0368f3a704bed3462a34fd76f6fff5ad35de118ac5591
[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" "d4d6a3431c6922b098e0368f3a704bed3462a34fd76f6fff5ad35de118ac5591", kill_on_drop: false }`
[INFO] [stderr]    Compiling xmark v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "d4d6a3431c6922b098e0368f3a704bed3462a34fd76f6fff5ad35de118ac5591", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4d6a3431c6922b098e0368f3a704bed3462a34fd76f6fff5ad35de118ac5591", kill_on_drop: false }`
[INFO] [stdout] d4d6a3431c6922b098e0368f3a704bed3462a34fd76f6fff5ad35de118ac5591
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] dec42805800a639aaeeda10f2b81c685dfa05e19b3bb6c22096abdeeadc0bd66
[INFO] running `Command { std: "docker" "start" "-a" "dec42805800a639aaeeda10f2b81c685dfa05e19b3bb6c22096abdeeadc0bd66", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/xmark-f1645a84b2ed961f
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dec42805800a639aaeeda10f2b81c685dfa05e19b3bb6c22096abdeeadc0bd66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dec42805800a639aaeeda10f2b81c685dfa05e19b3bb6c22096abdeeadc0bd66", kill_on_drop: false }`
[INFO] [stdout] dec42805800a639aaeeda10f2b81c685dfa05e19b3bb6c22096abdeeadc0bd66