[INFO] cloning repository https://github.com/band-of-four/joebot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/band-of-four/joebot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fband-of-four%2Fjoebot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fband-of-four%2Fjoebot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24b2ace69686e973c579a1b16476fb085242a014
[INFO] checking band-of-four/joebot against try#18f0df251aa25bd85bb3d295ad1bd925a64b1ffc for pr-94063
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fband-of-four%2Fjoebot" "/workspace/builds/worker-53/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-53/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/band-of-four/joebot on toolchain 18f0df251aa25bd85bb3d295ad1bd925a64b1ffc
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/band-of-four/joebot
[INFO] finished tweaking git repo https://github.com/band-of-four/joebot
[INFO] tweaked toml for git repo https://github.com/band-of-four/joebot written to /workspace/builds/worker-53/source/Cargo.toml
[INFO] crate git repo https://github.com/band-of-four/joebot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quick-xml v0.18.1
[INFO] [stderr]   Downloaded event-listener v2.3.3
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded combine v4.2.1
[INFO] [stderr]   Downloaded serenity v0.8.7
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] [stderr]   Downloaded vkopt-message-parser v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9a3d263cc2cb72e2e020edf3ccc5a1732d95d5a5cffeb43a44edcd8ddb0dcc63
[INFO] running `Command { std: "docker" "start" "-a" "9a3d263cc2cb72e2e020edf3ccc5a1732d95d5a5cffeb43a44edcd8ddb0dcc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a3d263cc2cb72e2e020edf3ccc5a1732d95d5a5cffeb43a44edcd8ddb0dcc63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3d263cc2cb72e2e020edf3ccc5a1732d95d5a5cffeb43a44edcd8ddb0dcc63", kill_on_drop: false }`
[INFO] [stdout] 9a3d263cc2cb72e2e020edf3ccc5a1732d95d5a5cffeb43a44edcd8ddb0dcc63
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-53/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+18f0df251aa25bd85bb3d295ad1bd925a64b1ffc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04a2fad97aec9464353bac78e506519588de604f7e12f08ab4c2a00ff2b1267d
[INFO] running `Command { std: "docker" "start" "-a" "04a2fad97aec9464353bac78e506519588de604f7e12f08ab4c2a00ff2b1267d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking once_cell v1.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking pin-project-lite v0.1.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling proc-macro-nested v0.1.6
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking futures-sink v0.3.5
[INFO] [stderr]     Checking spin v0.5.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking tinyvec v0.3.3
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking waker-fn v1.0.0
[INFO] [stderr]     Checking event-listener v2.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking parking v1.0.6
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking fastrand v1.3.4
[INFO] [stderr]     Checking dtoa v0.4.6
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking instant v0.1.6
[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking smallvec v1.4.1
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[INFO] [stderr]     Checking async-task v3.0.0
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling serenity v0.8.7
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking async-channel v1.4.0
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking futures-lite v0.1.10
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[INFO] [stderr]     Checking url v2.1.1
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[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking time v0.1.43
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[INFO] [stderr]     Checking parking_lot_core v0.8.0
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[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking parking_lot v0.11.0
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]    Compiling async-trait v0.1.36
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking rustls v0.18.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-rustls v0.14.0
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking combine v4.2.1
[INFO] [stderr]     Checking async-std v1.6.2
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking serde_regex v1.1.0
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking vkopt-message-parser v0.3.0
[INFO] [stderr]     Checking joebot-markov-chain v0.1.0 (/opt/rustwide/workdir/joebot-markov-chain)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> joebot-markov-chain/src/selector.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> joebot-markov-chain/src/selector.rs:125:10
[INFO] [stdout]     |
[INFO] [stdout] 125 |         };
[INFO] [stdout]     |          ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-rustls v0.21.0
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking joebot v0.1.0 (/opt/rustwide/workdir/joebot)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 57s
[INFO] running `Command { std: "docker" "inspect" "04a2fad97aec9464353bac78e506519588de604f7e12f08ab4c2a00ff2b1267d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04a2fad97aec9464353bac78e506519588de604f7e12f08ab4c2a00ff2b1267d", kill_on_drop: false }`
[INFO] [stdout] 04a2fad97aec9464353bac78e506519588de604f7e12f08ab4c2a00ff2b1267d