[INFO] cloning repository https://github.com/juhnowski/rust-pattern_matching
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/juhnowski/rust-pattern_matching" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 50e9717701ef1568601020b6cf7d1b8b6a2abd26
[INFO] testing juhnowski/rust-pattern_matching against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjuhnowski%2Frust-pattern_matching" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/juhnowski/rust-pattern_matching 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 git repo https://github.com/juhnowski/rust-pattern_matching
[INFO] finished tweaking git repo https://github.com/juhnowski/rust-pattern_matching
[INFO] tweaked toml for git repo https://github.com/juhnowski/rust-pattern_matching written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/juhnowski/rust-pattern_matching 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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] a9940343665a90a3ea97f39a5eba291f38cbaed0219b1744724f84985c5702ae
[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" "a9940343665a90a3ea97f39a5eba291f38cbaed0219b1744724f84985c5702ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9940343665a90a3ea97f39a5eba291f38cbaed0219b1744724f84985c5702ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9940343665a90a3ea97f39a5eba291f38cbaed0219b1744724f84985c5702ae", kill_on_drop: false }`
[INFO] [stdout] a9940343665a90a3ea97f39a5eba291f38cbaed0219b1744724f84985c5702ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9488fb09c98efa96067d472c47a11480e63daa6aadb57abde8da549c1bad740b
[INFO] running `Command { std: "docker" "start" "-a" "9488fb09c98efa96067d472c47a11480e63daa6aadb57abde8da549c1bad740b", kill_on_drop: false }`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "9488fb09c98efa96067d472c47a11480e63daa6aadb57abde8da549c1bad740b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9488fb09c98efa96067d472c47a11480e63daa6aadb57abde8da549c1bad740b", kill_on_drop: false }`
[INFO] [stdout] 9488fb09c98efa96067d472c47a11480e63daa6aadb57abde8da549c1bad740b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 02a1871eedcccdb80c317baf21e6aa62092818cfc91ebf8b83c38099883db854
[INFO] running `Command { std: "docker" "start" "-a" "02a1871eedcccdb80c317baf21e6aa62092818cfc91ebf8b83c38099883db854", kill_on_drop: false }`
[INFO] [stderr]    Compiling patterns v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "02a1871eedcccdb80c317baf21e6aa62092818cfc91ebf8b83c38099883db854", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02a1871eedcccdb80c317baf21e6aa62092818cfc91ebf8b83c38099883db854", kill_on_drop: false }`
[INFO] [stdout] 02a1871eedcccdb80c317baf21e6aa62092818cfc91ebf8b83c38099883db854
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] b27e3a0bc38daad663908d19be2bd747faf54c8fa9752785c0d03ed3ce929083
[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" "b27e3a0bc38daad663908d19be2bd747faf54c8fa9752785c0d03ed3ce929083", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/patterns-30ff7624d9e4b317
[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" "b27e3a0bc38daad663908d19be2bd747faf54c8fa9752785c0d03ed3ce929083", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b27e3a0bc38daad663908d19be2bd747faf54c8fa9752785c0d03ed3ce929083", kill_on_drop: false }`
[INFO] [stdout] b27e3a0bc38daad663908d19be2bd747faf54c8fa9752785c0d03ed3ce929083