[INFO] updating cached repository https://github.com/fabianschuiki/bender
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/fabianschuiki/bender
[INFO] [stderr]    ccdec5d..6c9356a  master     -> master
[INFO] [stderr]  * [new tag]         v0.20.0    -> v0.20.0
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6c9356a89a7658ba68118c8a930f35d79540ffce
[INFO] checking fabianschuiki/bender against try#6024cfef3a82f9a7688f07054f1650081bad3af5 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffabianschuiki%2Fbender" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fabianschuiki/bender on toolchain 6024cfef3a82f9a7688f07054f1650081bad3af5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fabianschuiki/bender
[INFO] finished tweaking git repo https://github.com/fabianschuiki/bender
[INFO] tweaked toml for git repo https://github.com/fabianschuiki/bender written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/fabianschuiki/bender already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "metadata" "--no-deps" "--format-version=1", 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] d09517bd0450531a4056b91e8d4575a0890ad169ae7e897f89063ad04e145564
[INFO] running `Command { std: "docker" "start" "-a" "d09517bd0450531a4056b91e8d4575a0890ad169ae7e897f89063ad04e145564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d09517bd0450531a4056b91e8d4575a0890ad169ae7e897f89063ad04e145564", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d09517bd0450531a4056b91e8d4575a0890ad169ae7e897f89063ad04e145564", kill_on_drop: false }`
[INFO] [stdout] d09517bd0450531a4056b91e8d4575a0890ad169ae7e897f89063ad04e145564
[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=forbid" "-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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+6024cfef3a82f9a7688f07054f1650081bad3af5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d0a0b4fa8dd8c28f4d21960717874e4d4a58c3d2c802ef2f61a083310c71e8e
[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" "5d0a0b4fa8dd8c28f4d21960717874e4d4a58c3d2c802ef2f61a083310c71e8e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.46
[INFO] [stderr]    Compiling typenum v1.9.0
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking constant_time_eq v0.1.3
[INFO] [stderr]     Checking either v1.5.1
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking pathdiff v0.1.0
[INFO] [stderr]     Checking typed-arena v1.3.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_yaml v0.7.3
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.31
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking atty v0.2.6
[INFO] [stderr]     Checking dirs v1.0.4
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking bytes v0.4.6
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking mio v0.6.12
[INFO] [stderr]     Checking tokio-io v0.1.4
[INFO] [stderr]    Compiling serde_derive_internals v0.19.0
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking crypto-mac v0.5.2
[INFO] [stderr]     Checking blake2 v0.7.0
[INFO] [stderr]     Checking tokio-core v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.4
[INFO] [stderr]    Compiling serde_derive v1.0.27
[INFO] [stderr]     Checking tokio-signal v0.1.3
[INFO] [stderr]     Checking tokio-process v0.1.5
[INFO] [stderr]     Checking bender v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.29s
[INFO] running `Command { std: "docker" "inspect" "5d0a0b4fa8dd8c28f4d21960717874e4d4a58c3d2c802ef2f61a083310c71e8e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0a0b4fa8dd8c28f4d21960717874e4d4a58c3d2c802ef2f61a083310c71e8e", kill_on_drop: false }`
[INFO] [stdout] 5d0a0b4fa8dd8c28f4d21960717874e4d4a58c3d2c802ef2f61a083310c71e8e