[INFO] fetching crate rcrawl 1.2.0...
[INFO] testing rcrawl-1.2.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate rcrawl 1.2.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate rcrawl 1.2.0 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 rcrawl 1.2.0
[INFO] finished tweaking crates.io crate rcrawl 1.2.0
[INFO] tweaked toml for crates.io crate rcrawl 1.2.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate rcrawl 1.2.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] f172e3e2b110d6ad2b8a2b94f06dff0603092684f35774a07b9ce8b87ddf184c
[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" "f172e3e2b110d6ad2b8a2b94f06dff0603092684f35774a07b9ce8b87ddf184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f172e3e2b110d6ad2b8a2b94f06dff0603092684f35774a07b9ce8b87ddf184c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f172e3e2b110d6ad2b8a2b94f06dff0603092684f35774a07b9ce8b87ddf184c", kill_on_drop: false }`
[INFO] [stdout] f172e3e2b110d6ad2b8a2b94f06dff0603092684f35774a07b9ce8b87ddf184c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] e334f81c1fdc907346ddd95a9d490ca082a68bdb518f0db2b0938064ddf15154
[INFO] running `Command { std: "docker" "start" "-a" "e334f81c1fdc907346ddd95a9d490ca082a68bdb518f0db2b0938064ddf15154", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.1
[INFO] [stderr]    Compiling rcrawl v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.47s
[INFO] running `Command { std: "docker" "inspect" "e334f81c1fdc907346ddd95a9d490ca082a68bdb518f0db2b0938064ddf15154", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e334f81c1fdc907346ddd95a9d490ca082a68bdb518f0db2b0938064ddf15154", kill_on_drop: false }`
[INFO] [stdout] e334f81c1fdc907346ddd95a9d490ca082a68bdb518f0db2b0938064ddf15154
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] a4eda6ec78d820617852ff45d76e26f788f5ba25cf8efc0360d5fb1744b17fb8
[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" "a4eda6ec78d820617852ff45d76e26f788f5ba25cf8efc0360d5fb1744b17fb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcrawl v1.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `Command { std: "docker" "inspect" "a4eda6ec78d820617852ff45d76e26f788f5ba25cf8efc0360d5fb1744b17fb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4eda6ec78d820617852ff45d76e26f788f5ba25cf8efc0360d5fb1744b17fb8", kill_on_drop: false }`
[INFO] [stdout] a4eda6ec78d820617852ff45d76e26f788f5ba25cf8efc0360d5fb1744b17fb8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] aee11d06f842c902a15591d0e9d9c21e2517d20060ed11ac55fbcf7627c07cf7
[INFO] running `Command { std: "docker" "start" "-a" "aee11d06f842c902a15591d0e9d9c21e2517d20060ed11ac55fbcf7627c07cf7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rcrawl-37e99bb6d9fe700d
[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" "aee11d06f842c902a15591d0e9d9c21e2517d20060ed11ac55fbcf7627c07cf7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aee11d06f842c902a15591d0e9d9c21e2517d20060ed11ac55fbcf7627c07cf7", kill_on_drop: false }`
[INFO] [stdout] aee11d06f842c902a15591d0e9d9c21e2517d20060ed11ac55fbcf7627c07cf7