[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] testing band-of-four/joebot against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fband-of-four%2Fjoebot" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/band-of-four/joebot on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-7/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" "+1.55.0" "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 waker-fn v1.0.0
[INFO] [stderr]   Downloaded parking v1.0.6
[INFO] [stderr]   Downloaded smol v0.1.18
[INFO] [stderr]   Downloaded async-channel v1.4.0
[INFO] [stderr]   Downloaded circular-queue v0.2.6
[INFO] [stderr]   Downloaded async-task v3.0.0
[INFO] [stderr]   Downloaded redis v0.17.0
[INFO] [stderr]   Downloaded serde_regex v1.1.0
[INFO] [stderr]   Downloaded futures-lite v0.1.10
[INFO] [stderr]   Downloaded async-std v1.6.2
[INFO] [stderr]   Downloaded blocking v0.4.7
[INFO] [stderr]   Downloaded fastrand v1.3.4
[INFO] [stderr]   Downloaded wepoll-sys-stjepang v1.0.6
[INFO] [stderr]   Downloaded rustls v0.18.0
[INFO] [stderr]   Downloaded reqwest v0.10.7
[INFO] [stderr]   Downloaded event-listener v2.3.3
[INFO] [stderr]   Downloaded serenity v0.8.7
[INFO] [stderr]   Downloaded combine v4.2.1
[INFO] [stderr]   Downloaded vkopt-message-parser v0.3.0
[INFO] [stderr]   Downloaded rust-stemmers v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d19775854d49a92ce76aecd27d4d12b300f9fee4fb3afb99d65397e612324817
[INFO] running `Command { std: "docker" "start" "-a" "d19775854d49a92ce76aecd27d4d12b300f9fee4fb3afb99d65397e612324817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d19775854d49a92ce76aecd27d4d12b300f9fee4fb3afb99d65397e612324817", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d19775854d49a92ce76aecd27d4d12b300f9fee4fb3afb99d65397e612324817", kill_on_drop: false }`
[INFO] [stdout] d19775854d49a92ce76aecd27d4d12b300f9fee4fb3afb99d65397e612324817
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2a979548c7801f9a383c1a37e539574e2d8591cf0d5ab3d2987de6e010b27c64
[INFO] running `Command { std: "docker" "start" "-a" "2a979548c7801f9a383c1a37e539574e2d8591cf0d5ab3d2987de6e010b27c64", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.74
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling once_cell v1.4.0
[INFO] [stderr]    Compiling futures-io v0.3.5
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]    Compiling tinyvec v0.3.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.8
[INFO] [stderr]    Compiling parking v1.0.6
[INFO] [stderr]    Compiling event-listener v2.3.3
[INFO] [stderr]    Compiling waker-fn v1.0.0
[INFO] [stderr]    Compiling fastrand v1.3.4
[INFO] [stderr]    Compiling siphasher v0.3.3
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling async-task v3.0.0
[INFO] [stderr]    Compiling smallvec v1.4.1
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling serenity v0.8.7
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling tracing-core v0.1.14
[INFO] [stderr]    Compiling futures-channel v0.3.5
[INFO] [stderr]    Compiling input_buffer v0.3.1
[INFO] [stderr]    Compiling circular-queue v0.2.6
[INFO] [stderr]    Compiling unsafe-any v0.4.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling quick-xml v0.18.1
[INFO] [stderr]    Compiling typemap v0.3.3
[INFO] [stderr]    Compiling async-channel v1.4.0
[INFO] [stderr]    Compiling futures-task v0.3.5
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling futures-lite v0.1.10
[INFO] [stderr]    Compiling unicode-normalization v0.1.13
[INFO] [stderr]    Compiling tracing v0.1.19
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling kv-log-macro v1.0.7
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling blocking v0.4.7
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling parking_lot_core v0.8.0
[INFO] [stderr]    Compiling flate2 v1.0.16
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling threadpool v1.8.1
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling sha-1 v0.9.1
[INFO] [stderr]    Compiling parking_lot v0.11.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[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]    Compiling tungstenite v0.11.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling webpki v0.21.3
[INFO] [stderr]    Compiling sct v0.6.0
[INFO] [stderr]    Compiling pin-project v0.4.23
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling rustls v0.18.0
[INFO] [stderr]    Compiling webpki-roots v0.19.0
[INFO] [stderr]    Compiling rustls v0.17.0
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-rustls v0.14.0
[INFO] [stderr]    Compiling smol v0.1.18
[INFO] [stderr]    Compiling combine v4.2.1
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling async-std v1.6.2
[INFO] [stderr]    Compiling chrono v0.4.13
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_regex v1.1.0
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling rust-stemmers v1.2.0
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling vkopt-message-parser v0.3.0
[INFO] [stderr]    Compiling 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling redis v0.17.0
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling hyper-rustls v0.21.0
[INFO] [stderr]    Compiling reqwest v0.10.7
[INFO] [stderr]    Compiling joebot v0.1.0 (/opt/rustwide/workdir/joebot)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 13s
[INFO] running `Command { std: "docker" "inspect" "2a979548c7801f9a383c1a37e539574e2d8591cf0d5ab3d2987de6e010b27c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a979548c7801f9a383c1a37e539574e2d8591cf0d5ab3d2987de6e010b27c64", kill_on_drop: false }`
[INFO] [stdout] 2a979548c7801f9a383c1a37e539574e2d8591cf0d5ab3d2987de6e010b27c64
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 23424c64aa76e1e7537f641af52ba2e31199e50c789343b40081117ea88998a0
[INFO] running `Command { std: "docker" "start" "-a" "23424c64aa76e1e7537f641af52ba2e31199e50c789343b40081117ea88998a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling joebot-markov-chain v0.1.0 (/opt/rustwide/workdir/joebot-markov-chain)
[INFO] [stderr]    Compiling joebot v0.1.0 (/opt/rustwide/workdir/joebot)
[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: 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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.68s
[INFO] running `Command { std: "docker" "inspect" "23424c64aa76e1e7537f641af52ba2e31199e50c789343b40081117ea88998a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "23424c64aa76e1e7537f641af52ba2e31199e50c789343b40081117ea88998a0", kill_on_drop: false }`
[INFO] [stdout] 23424c64aa76e1e7537f641af52ba2e31199e50c789343b40081117ea88998a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87833f53f6d547a9d549ef80d0c9eaf1ebc2bdfcc1894f6523956de0055b42ea
[INFO] running `Command { std: "docker" "start" "-a" "87833f53f6d547a9d549ef80d0c9eaf1ebc2bdfcc1894f6523956de0055b42ea", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> joebot-markov-chain/src/selector.rs:125:10
[INFO] [stderr]     |
[INFO] [stderr] 125 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `joebot-markov-chain` (lib) generated 1 warning
[INFO] [stderr] warning: `joebot-markov-chain` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.14s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joebot-a2e6839b278fe759)
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/joebot_markov_chain-cb43f54e61c082f0)
[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] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test append::tests::test_text ... ok
[INFO] [stdout] test generate::tests::test_determined_generation ... ok
[INFO] [stdout] test selector::tests::query_parser_err ... ok
[INFO] [stdout] test append::tests::test_no_empty_words ... ok
[INFO] [stdout] test append::tests::test_word_nodes ... ok
[INFO] [stdout] test append::tests::test_authors ... ok
[INFO] [stdout] test selector::tests::test_query_eval ... ok
[INFO] [stdout] test generate::tests::test_random_generation ... ok
[INFO] [stdout] test generate::tests::test_date_range_generation ... ok
[INFO] [stdout] test selector::tests::test_query_parser ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests joebot-markov-chain
[INFO] [stderr] warning: unnecessary trailing semicolon
[INFO] [stderr]    --> /opt/rustwide/workdir/joebot-markov-chain/src/selector.rs:125:10
[INFO] [stderr]     |
[INFO] [stderr] 125 |         };
[INFO] [stderr]     |          ^ help: remove this semicolon
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "87833f53f6d547a9d549ef80d0c9eaf1ebc2bdfcc1894f6523956de0055b42ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87833f53f6d547a9d549ef80d0c9eaf1ebc2bdfcc1894f6523956de0055b42ea", kill_on_drop: false }`
[INFO] [stdout] 87833f53f6d547a9d549ef80d0c9eaf1ebc2bdfcc1894f6523956de0055b42ea