[INFO] fetching crate a-range 0.1.0...
[INFO] testing a-range-0.1.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate a-range 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate a-range 0.1.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate a-range 0.1.0
[INFO] finished tweaking crates.io crate a-range 0.1.0
[INFO] tweaked toml for crates.io crate a-range 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e899767e5a4753ed58cc95917775374286a2c002b9bb72bbbef73bd7eaaabe6a
[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" "e899767e5a4753ed58cc95917775374286a2c002b9bb72bbbef73bd7eaaabe6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e899767e5a4753ed58cc95917775374286a2c002b9bb72bbbef73bd7eaaabe6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e899767e5a4753ed58cc95917775374286a2c002b9bb72bbbef73bd7eaaabe6a", kill_on_drop: false }`
[INFO] [stdout] e899767e5a4753ed58cc95917775374286a2c002b9bb72bbbef73bd7eaaabe6a
[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" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90ce3019b480ab086b04d9a9d169b1875640fc11d14b888084da9d247ab4cbc7
[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" "90ce3019b480ab086b04d9a9d169b1875640fc11d14b888084da9d247ab4cbc7", kill_on_drop: false }`
[INFO] [stderr]    Compiling a-range v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "90ce3019b480ab086b04d9a9d169b1875640fc11d14b888084da9d247ab4cbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90ce3019b480ab086b04d9a9d169b1875640fc11d14b888084da9d247ab4cbc7", kill_on_drop: false }`
[INFO] [stdout] 90ce3019b480ab086b04d9a9d169b1875640fc11d14b888084da9d247ab4cbc7
[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" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8d03f0c91838d6605e26e5b96880cb097ed86e0640465fed0ff0f0e86e6e4dbd
[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" "8d03f0c91838d6605e26e5b96880cb097ed86e0640465fed0ff0f0e86e6e4dbd", kill_on_drop: false }`
[INFO] [stderr]    Compiling a-range v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.27s
[INFO] running `Command { std: "docker" "inspect" "8d03f0c91838d6605e26e5b96880cb097ed86e0640465fed0ff0f0e86e6e4dbd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d03f0c91838d6605e26e5b96880cb097ed86e0640465fed0ff0f0e86e6e4dbd", kill_on_drop: false }`
[INFO] [stdout] 8d03f0c91838d6605e26e5b96880cb097ed86e0640465fed0ff0f0e86e6e4dbd
[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" "+beta-2021-01-01" "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] 6a9eb3e038bbfc7e785a43b5e6495d5b6b2a3988f62a4e9674163f67c97d6b95
[INFO] running `Command { std: "docker" "start" "-a" "6a9eb3e038bbfc7e785a43b5e6495d5b6b2a3988f62a4e9674163f67c97d6b95", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/a_range-290975bdd6763f96
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test range_collect ... ok
[INFO] [stdout] test rev_range_collect ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests a-range
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - from (line 30) ... ok
[INFO] [stdout] test src/lib.rs - (line 8) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.97s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "6a9eb3e038bbfc7e785a43b5e6495d5b6b2a3988f62a4e9674163f67c97d6b95", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a9eb3e038bbfc7e785a43b5e6495d5b6b2a3988f62a4e9674163f67c97d6b95", kill_on_drop: false }`
[INFO] [stdout] 6a9eb3e038bbfc7e785a43b5e6495d5b6b2a3988f62a4e9674163f67c97d6b95