[INFO] crate iter-merge-sort 0.1.2 is already in cache
[INFO] testing iter-merge-sort-0.1.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate iter-merge-sort 0.1.2 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate iter-merge-sort 0.1.2 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 iter-merge-sort 0.1.2
[INFO] finished tweaking crates.io crate iter-merge-sort 0.1.2
[INFO] tweaked toml for crates.io crate iter-merge-sort 0.1.2 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] ec6b3b97a08a0775c3dcbb1d1de015e3ec3b4e98ac6637d44f4d600858d98499
[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" "ec6b3b97a08a0775c3dcbb1d1de015e3ec3b4e98ac6637d44f4d600858d98499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ec6b3b97a08a0775c3dcbb1d1de015e3ec3b4e98ac6637d44f4d600858d98499", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6b3b97a08a0775c3dcbb1d1de015e3ec3b4e98ac6637d44f4d600858d98499", kill_on_drop: false }`
[INFO] [stdout] ec6b3b97a08a0775c3dcbb1d1de015e3ec3b4e98ac6637d44f4d600858d98499
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] 0a49c988add1ff73caa4abc66c4a222efd5683f9d53e2a649398868cfd75cfca
[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" "0a49c988add1ff73caa4abc66c4a222efd5683f9d53e2a649398868cfd75cfca", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "0a49c988add1ff73caa4abc66c4a222efd5683f9d53e2a649398868cfd75cfca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a49c988add1ff73caa4abc66c4a222efd5683f9d53e2a649398868cfd75cfca", kill_on_drop: false }`
[INFO] [stdout] 0a49c988add1ff73caa4abc66c4a222efd5683f9d53e2a649398868cfd75cfca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] c4b87bde92fafc2cc07311cca5723d885c82e2339352d08d5f713a73eeb3b86a
[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" "c4b87bde92fafc2cc07311cca5723d885c82e2339352d08d5f713a73eeb3b86a", kill_on_drop: false }`
[INFO] [stderr]    Compiling iter-merge-sort v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "c4b87bde92fafc2cc07311cca5723d885c82e2339352d08d5f713a73eeb3b86a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b87bde92fafc2cc07311cca5723d885c82e2339352d08d5f713a73eeb3b86a", kill_on_drop: false }`
[INFO] [stdout] c4b87bde92fafc2cc07311cca5723d885c82e2339352d08d5f713a73eeb3b86a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stdout] f2f3a3ab754ac4c3b0600dd814ed6e4ed8e2294b70b3e3994e9a58f34fbdf444
[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" "f2f3a3ab754ac4c3b0600dd814ed6e4ed8e2294b70b3e3994e9a58f34fbdf444", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/iter_merge_sort-560a95b97f8c73c6
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test tests::desc ... ok
[INFO] [stdout] test tests::infinite_not_desc ... ok
[INFO] [stdout] test tests::not_desc ... ok
[INFO] [stdout] test tests::one_desc ... ok
[INFO] [stdout] test tests::one_not_desc ... ok
[INFO] [stdout] test tests::emepy ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests iter_merge_sort
[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" "f2f3a3ab754ac4c3b0600dd814ed6e4ed8e2294b70b3e3994e9a58f34fbdf444", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2f3a3ab754ac4c3b0600dd814ed6e4ed8e2294b70b3e3994e9a58f34fbdf444", kill_on_drop: false }`
[INFO] [stdout] f2f3a3ab754ac4c3b0600dd814ed6e4ed8e2294b70b3e3994e9a58f34fbdf444