[INFO] fetching crate combot 0.1.1...
[INFO] testing combot-0.1.1 against try#d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2 for pr-86479
[INFO] extracting crate combot 0.1.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate combot 0.1.1 on toolchain d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate combot 0.1.1
[INFO] finished tweaking crates.io crate combot 0.1.1
[INFO] tweaked toml for crates.io crate combot 0.1.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate combot 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d5fb56a8b484d0d5398b8de0270b1de7653a947387ffb2013f704d6ae53fb458
[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" "d5fb56a8b484d0d5398b8de0270b1de7653a947387ffb2013f704d6ae53fb458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d5fb56a8b484d0d5398b8de0270b1de7653a947387ffb2013f704d6ae53fb458", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d5fb56a8b484d0d5398b8de0270b1de7653a947387ffb2013f704d6ae53fb458", kill_on_drop: false }`
[INFO] [stdout] d5fb56a8b484d0d5398b8de0270b1de7653a947387ffb2013f704d6ae53fb458
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "build" "--frozen" "--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] 4c6bd21c151560801a07f14d58f90a0a038c21f4482c5d8b7e6c9ebf923dec74
[INFO] running `Command { std: "docker" "start" "-a" "4c6bd21c151560801a07f14d58f90a0a038c21f4482c5d8b7e6c9ebf923dec74", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling regex-automata v0.1.9
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling bstr v0.2.15
[INFO] [stderr]    Compiling csv v1.1.6
[INFO] [stderr]    Compiling combot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.85s
[INFO] running `Command { std: "docker" "inspect" "4c6bd21c151560801a07f14d58f90a0a038c21f4482c5d8b7e6c9ebf923dec74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c6bd21c151560801a07f14d58f90a0a038c21f4482c5d8b7e6c9ebf923dec74", kill_on_drop: false }`
[INFO] [stdout] 4c6bd21c151560801a07f14d58f90a0a038c21f4482c5d8b7e6c9ebf923dec74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "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] cd3646be8a2f205b2efe5f605dac4051426c9cda3207b89499b1545f5524becf
[INFO] running `Command { std: "docker" "start" "-a" "cd3646be8a2f205b2efe5f605dac4051426c9cda3207b89499b1545f5524becf", kill_on_drop: false }`
[INFO] [stderr]    Compiling combot v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.23s
[INFO] running `Command { std: "docker" "inspect" "cd3646be8a2f205b2efe5f605dac4051426c9cda3207b89499b1545f5524becf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3646be8a2f205b2efe5f605dac4051426c9cda3207b89499b1545f5524becf", kill_on_drop: false }`
[INFO] [stdout] cd3646be8a2f205b2efe5f605dac4051426c9cda3207b89499b1545f5524becf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d2e9fff28e244f1ea4927194f1f9b77f93e2ffe2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 352d8b1df557dccc40f05e7eda8cc41ada511934c4530e6c9486c768149164e8
[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" "352d8b1df557dccc40f05e7eda8cc41ada511934c4530e6c9486c768149164e8", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/combot-aa494bd27788886d)
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "352d8b1df557dccc40f05e7eda8cc41ada511934c4530e6c9486c768149164e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "352d8b1df557dccc40f05e7eda8cc41ada511934c4530e6c9486c768149164e8", kill_on_drop: false }`
[INFO] [stdout] 352d8b1df557dccc40f05e7eda8cc41ada511934c4530e6c9486c768149164e8