[INFO] fetching crate mind 0.6.2...
[INFO] testing mind-0.6.2 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate mind 0.6.2 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate mind 0.6.2 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 mind 0.6.2
[INFO] finished tweaking crates.io crate mind 0.6.2
[INFO] tweaked toml for crates.io crate mind 0.6.2 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate mind 0.6.2 already has a lockfile, it will not be regenerated
[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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] be75029b45e3dc7b86a2f1c94f53903feb6fcd5ef390e79552ea5560f87ca07c
[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" "be75029b45e3dc7b86a2f1c94f53903feb6fcd5ef390e79552ea5560f87ca07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be75029b45e3dc7b86a2f1c94f53903feb6fcd5ef390e79552ea5560f87ca07c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be75029b45e3dc7b86a2f1c94f53903feb6fcd5ef390e79552ea5560f87ca07c", kill_on_drop: false }`
[INFO] [stdout] be75029b45e3dc7b86a2f1c94f53903feb6fcd5ef390e79552ea5560f87ca07c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] a17359e09a531be4981aae2beb8d9bad3a122bdd0554938f79e6bcfea5484cc8
[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" "a17359e09a531be4981aae2beb8d9bad3a122bdd0554938f79e6bcfea5484cc8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling termion v1.5.5
[INFO] [stderr]    Compiling dirs v3.0.0
[INFO] [stderr]    Compiling chrono v0.4.11
[INFO] [stderr]    Compiling serde_yaml v0.8.13
[INFO] [stderr]    Compiling chrono-humanize v0.0.11
[INFO] [stderr]    Compiling mind v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.63s
[INFO] running `Command { std: "docker" "inspect" "a17359e09a531be4981aae2beb8d9bad3a122bdd0554938f79e6bcfea5484cc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a17359e09a531be4981aae2beb8d9bad3a122bdd0554938f79e6bcfea5484cc8", kill_on_drop: false }`
[INFO] [stdout] a17359e09a531be4981aae2beb8d9bad3a122bdd0554938f79e6bcfea5484cc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 31f2bcc0df0d19a588782b32e6f0a68a332b37ccee68ef7d3033a91b4c3c09b0
[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" "31f2bcc0df0d19a588782b32e6f0a68a332b37ccee68ef7d3033a91b4c3c09b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling mind v0.6.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "31f2bcc0df0d19a588782b32e6f0a68a332b37ccee68ef7d3033a91b4c3c09b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31f2bcc0df0d19a588782b32e6f0a68a332b37ccee68ef7d3033a91b4c3c09b0", kill_on_drop: false }`
[INFO] [stdout] 31f2bcc0df0d19a588782b32e6f0a68a332b37ccee68ef7d3033a91b4c3c09b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 570b297772bae3f3137ecd94ab06ee397b1020042434ef9fbbafae0e1773ea94
[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" "570b297772bae3f3137ecd94ab06ee397b1020042434ef9fbbafae0e1773ea94", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/mind-f219e9898276acb6
[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]      Running /opt/rustwide/target/debug/deps/mind-1b7ffe3018f62c0b
[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 mind
[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" "570b297772bae3f3137ecd94ab06ee397b1020042434ef9fbbafae0e1773ea94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "570b297772bae3f3137ecd94ab06ee397b1020042434ef9fbbafae0e1773ea94", kill_on_drop: false }`
[INFO] [stdout] 570b297772bae3f3137ecd94ab06ee397b1020042434ef9fbbafae0e1773ea94