[INFO] cloning repository https://github.com/alekratz/markov-bot-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alekratz/markov-bot-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Fmarkov-bot-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Fmarkov-bot-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 574d24562d7c99a2dc6c592657517b3bb0fb46fe
[INFO] checking alekratz/markov-bot-rs against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falekratz%2Fmarkov-bot-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alekratz/markov-bot-rs on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/alekratz/markov-bot-rs
[INFO] finished tweaking git repo https://github.com/alekratz/markov-bot-rs
[INFO] tweaked toml for git repo https://github.com/alekratz/markov-bot-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/alekratz/markov-bot-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/alekratz/markov-chain-rs.git`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]   Downloaded encoding_index_tests v0.1.4
[INFO] [stderr]   Downloaded num-iter v0.1.33
[INFO] [stderr]   Downloaded num-integer v0.1.34
[INFO] [stderr]   Downloaded encoding v0.2.33
[INFO] [stderr]   Downloaded num v0.1.39
[INFO] [stderr]   Downloaded encoding-index-japanese v1.20141219.5
[INFO] [stderr]   Downloaded irc v0.11.8
[INFO] [stderr]   Downloaded ctrlc v3.0.2
[INFO] [stderr]   Downloaded serde v1.0.8
[INFO] [stderr]   Downloaded encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]   Downloaded serde_derive v1.0.8
[INFO] [stderr]   Downloaded encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]   Downloaded encoding-index-korean v1.20141219.5
[INFO] [stderr]   Downloaded maplit v0.1.4
[INFO] [stderr]   Downloaded serde_bytes v0.10.0
[INFO] [stderr]   Downloaded serde_cbor v0.6.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "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] f91d832453ba7e620f2bda12ace7e1c0943b7ed1277f9f5b77563090d21def09
[INFO] running `Command { std: "docker" "start" "-a" "f91d832453ba7e620f2bda12ace7e1c0943b7ed1277f9f5b77563090d21def09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f91d832453ba7e620f2bda12ace7e1c0943b7ed1277f9f5b77563090d21def09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91d832453ba7e620f2bda12ace7e1c0943b7ed1277f9f5b77563090d21def09", kill_on_drop: false }`
[INFO] [stdout] f91d832453ba7e620f2bda12ace7e1c0943b7ed1277f9f5b77563090d21def09
[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=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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--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] 41e0898b31abe93c2e6ad445da900fcf2236ca1ad35d69a6cbbf819817fedcc3
[INFO] running `Command { std: "docker" "start" "-a" "41e0898b31abe93c2e6ad445da900fcf2236ca1ad35d69a6cbbf819817fedcc3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking num-traits v0.1.39
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking serde v1.0.8
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking maplit v0.1.4
[INFO] [stderr]     Checking byteorder v1.0.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking log v0.3.8
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking thread-id v3.1.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking num-integer v0.1.34
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]     Checking thread_local v0.3.3
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking num-iter v0.1.33
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking num v0.1.39
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking ctrlc v3.0.2
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]     Checking irc v0.11.8
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]    Compiling serde_derive_internals v0.15.1
[INFO] [stderr]     Checking serde_bytes v0.10.0
[INFO] [stderr]     Checking serde_cbor v0.6.0
[INFO] [stderr]    Compiling serde_derive v1.0.8
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking markov-chain v0.1.1 (https://github.com/alekratz/markov-chain-rs.git#94d0f01b)
[INFO] [stderr]     Checking markov-bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.86s
[INFO] running `Command { std: "docker" "inspect" "41e0898b31abe93c2e6ad445da900fcf2236ca1ad35d69a6cbbf819817fedcc3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "41e0898b31abe93c2e6ad445da900fcf2236ca1ad35d69a6cbbf819817fedcc3", kill_on_drop: false }`
[INFO] [stdout] 41e0898b31abe93c2e6ad445da900fcf2236ca1ad35d69a6cbbf819817fedcc3