[INFO] crate diff-rs 0.2.3 is already in cache
[INFO] testing diff-rs-0.2.3 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate diff-rs 0.2.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate diff-rs 0.2.3 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate diff-rs 0.2.3
[INFO] finished tweaking crates.io crate diff-rs 0.2.3
[INFO] tweaked toml for crates.io crate diff-rs 0.2.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94f9c1dba384d3e5d743e62b7fa77005dc04d75c9fe129f5f4b71b01c7951952
[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" "94f9c1dba384d3e5d743e62b7fa77005dc04d75c9fe129f5f4b71b01c7951952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94f9c1dba384d3e5d743e62b7fa77005dc04d75c9fe129f5f4b71b01c7951952", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94f9c1dba384d3e5d743e62b7fa77005dc04d75c9fe129f5f4b71b01c7951952", kill_on_drop: false }`
[INFO] [stdout] 94f9c1dba384d3e5d743e62b7fa77005dc04d75c9fe129f5f4b71b01c7951952
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6420b448432b9c23173f360f74c77ba36cf2bfa76e4d974b3706f0a3b3269065
[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" "6420b448432b9c23173f360f74c77ba36cf2bfa76e4d974b3706f0a3b3269065", kill_on_drop: false }`
[INFO] [stderr]    Compiling diffs v0.2.1
[INFO] [stderr]    Compiling diff-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.69s
[INFO] running `Command { std: "docker" "inspect" "6420b448432b9c23173f360f74c77ba36cf2bfa76e4d974b3706f0a3b3269065", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6420b448432b9c23173f360f74c77ba36cf2bfa76e4d974b3706f0a3b3269065", kill_on_drop: false }`
[INFO] [stdout] 6420b448432b9c23173f360f74c77ba36cf2bfa76e4d974b3706f0a3b3269065
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 3bf69abe85b327b6fd46bcc4ba97b7dbe2c9d5ced271137b1e91e8380bc2072e
[INFO] running `Command { std: "docker" "start" "-a" "3bf69abe85b327b6fd46bcc4ba97b7dbe2c9d5ced271137b1e91e8380bc2072e", kill_on_drop: false }`
[INFO] [stderr]    Compiling diff-rs v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.09s
[INFO] running `Command { std: "docker" "inspect" "3bf69abe85b327b6fd46bcc4ba97b7dbe2c9d5ced271137b1e91e8380bc2072e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf69abe85b327b6fd46bcc4ba97b7dbe2c9d5ced271137b1e91e8380bc2072e", kill_on_drop: false }`
[INFO] [stdout] 3bf69abe85b327b6fd46bcc4ba97b7dbe2c9d5ced271137b1e91e8380bc2072e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 5e0bec5ddea94ae2f1f63bdf6ec5e4a978f55accd2c64d077902369019b70eb7
[INFO] running `Command { std: "docker" "start" "-a" "5e0bec5ddea94ae2f1f63bdf6ec5e4a978f55accd2c64d077902369019b70eb7", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff_rs-548edd8b0e2a8f6f
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/diff_rs-f7ab8d3f1f0d24e5
[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] [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] [stderr]    Doc-tests diff-rs
[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" "5e0bec5ddea94ae2f1f63bdf6ec5e4a978f55accd2c64d077902369019b70eb7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e0bec5ddea94ae2f1f63bdf6ec5e4a978f55accd2c64d077902369019b70eb7", kill_on_drop: false }`
[INFO] [stdout] 5e0bec5ddea94ae2f1f63bdf6ec5e4a978f55accd2c64d077902369019b70eb7