[INFO] cloning repository https://github.com/f4bio/nipplebot.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/f4bio/nipplebot.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4bio%2Fnipplebot.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4bio%2Fnipplebot.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 433e0cb196408b29ea2c49f026658f6130f23263
[INFO] checking f4bio/nipplebot.rs against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4bio%2Fnipplebot.rs" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f4bio/nipplebot.rs on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/f4bio/nipplebot.rs
[INFO] finished tweaking git repo https://github.com/f4bio/nipplebot.rs
[INFO] tweaked toml for git repo https://github.com/f4bio/nipplebot.rs written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/f4bio/nipplebot.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gethostname v0.2.1
[INFO] [stderr]   Downloaded rillrate v0.41.0
[INFO] [stderr]   Downloaded fsevent-sys v4.0.0
[INFO] [stderr]   Downloaded rate-config v0.41.0
[INFO] [stderr]   Downloaded rill-derive v0.41.0
[INFO] [stderr]   Downloaded rrpack-basis v0.41.0
[INFO] [stderr]   Downloaded meio-protocol v0.95.2
[INFO] [stderr]   Downloaded base64-url v1.4.10
[INFO] [stderr]   Downloaded nanorand v0.6.1
[INFO] [stderr]   Downloaded zeroize_derive v1.2.0
[INFO] [stderr]   Downloaded typed-slab v0.1.4
[INFO] [stderr]   Downloaded nkeys v0.1.0
[INFO] [stderr]   Downloaded serenity-voice-model v0.1.0
[INFO] [stderr]   Downloaded spin_sleep v1.0.0
[INFO] [stderr]   Downloaded pkg-config v0.3.21
[INFO] [stderr]   Downloaded notify v5.0.0-pre.13
[INFO] [stderr]   Downloaded flexbuffers v2.0.0
[INFO] [stderr]   Downloaded flume v0.10.9
[INFO] [stderr]   Downloaded nats v0.15.2
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.0
[INFO] [stderr]   Downloaded songbird v0.2.0
[INFO] [stderr]   Downloaded signatory v0.21.0
[INFO] [stderr]   Downloaded h2 v0.3.6
[INFO] [stderr]   Downloaded headers v0.3.4
[INFO] [stderr]   Downloaded tracing-bunyan-formatter v0.2.6
[INFO] [stderr]   Downloaded nuid v0.3.0
[INFO] [stderr]   Downloaded inotify v0.9.5
[INFO] [stderr]   Downloaded meio v0.95.2
[INFO] [stderr]   Downloaded hyper v0.14.13
[INFO] [stderr]   Downloaded kqueue v1.0.4
[INFO] [stderr]   Downloaded rate-core v0.41.0
[INFO] [stderr]   Downloaded rill-config v0.41.0
[INFO] [stderr]   Downloaded meio-connect v0.95.2
[INFO] [stderr]   Downloaded rill-engine v0.41.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded rrpack-prime v0.41.0
[INFO] [stderr]   Downloaded rill-protocol v0.41.0
[INFO] [stderr]   Downloaded itconfig v1.1.1
[INFO] [stderr]   Downloaded metacrate v0.1.2
[INFO] [stderr]   Downloaded tokio-macros v1.4.1
[INFO] [stderr]   Downloaded instant v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e2ae83f02ad90fe5704f945d80ffb235d612338f79efcbec2e551a2a3077ef13
[INFO] running `Command { std: "docker" "start" "-a" "e2ae83f02ad90fe5704f945d80ffb235d612338f79efcbec2e551a2a3077ef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e2ae83f02ad90fe5704f945d80ffb235d612338f79efcbec2e551a2a3077ef13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e2ae83f02ad90fe5704f945d80ffb235d612338f79efcbec2e551a2a3077ef13", kill_on_drop: false }`
[INFO] [stdout] e2ae83f02ad90fe5704f945d80ffb235d612338f79efcbec2e551a2a3077ef13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 39b27160c2f4a0242299983bdd9b3e451d35ce54478ed78e0ba2ccdb5a2bc1b5
[INFO] running `Command { std: "docker" "start" "-a" "39b27160c2f4a0242299983bdd9b3e451d35ce54478ed78e0ba2ccdb5a2bc1b5", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking metacrate v0.1.2
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking base64-url v1.4.10
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling pkg-config v0.3.21
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking inotify v0.9.5
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]     Checking typed-slab v0.1.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking notify v5.0.0-pre.13
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking nuid v0.3.0
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking itconfig v1.1.1
[INFO] [stderr]    Compiling songbird v0.2.0
[INFO] [stderr]     Checking audiopus v0.2.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking symphonia-core v0.2.0
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling rill-derive v0.41.0
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking salsa20 v0.8.1
[INFO] [stderr]     Checking xsalsa20poly1305 v0.7.2
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking discortp v0.4.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking nkeys v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking flume v0.10.9
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking streamcatcher v0.1.1
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.14.0
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking meio v0.95.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking meio-protocol v0.95.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking nats v0.15.2
[INFO] [stderr]     Checking serenity-voice-model v0.1.0
[INFO] [stderr]     Checking rill-config v0.41.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.2.6
[INFO] [stderr]     Checking rill-protocol v0.41.0
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking meio-connect v0.95.2
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking rill-engine v0.41.0
[INFO] [stderr]     Checking rrpack-basis v0.41.0
[INFO] [stderr]     Checking rate-core v0.41.0
[INFO] [stderr]     Checking rrpack-prime v0.41.0
[INFO] [stderr]     Checking rate-config v0.41.0
[INFO] [stderr]     Checking rillrate v0.41.0
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> web/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut command_count_value = count_write.get_mut(cmd_name).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> web/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut command_count_value = count_write.get_mut(cmd_name).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` 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 core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.48s
[INFO] running `Command { std: "docker" "inspect" "39b27160c2f4a0242299983bdd9b3e451d35ce54478ed78e0ba2ccdb5a2bc1b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39b27160c2f4a0242299983bdd9b3e451d35ce54478ed78e0ba2ccdb5a2bc1b5", kill_on_drop: false }`
[INFO] [stdout] 39b27160c2f4a0242299983bdd9b3e451d35ce54478ed78e0ba2ccdb5a2bc1b5
[INFO] checking f4bio/nipplebot.rs against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4bio%2Fnipplebot.rs" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f4bio/nipplebot.rs on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-5-tc2/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/f4bio/nipplebot.rs
[INFO] finished tweaking git repo https://github.com/f4bio/nipplebot.rs
[INFO] tweaked toml for git repo https://github.com/f4bio/nipplebot.rs written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/f4bio/nipplebot.rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7f14bf4b925d0aa7750c6298fec662f72dd5c2d206eb1c1f9200c24ed9eca7ae
[INFO] running `Command { std: "docker" "start" "-a" "7f14bf4b925d0aa7750c6298fec662f72dd5c2d206eb1c1f9200c24ed9eca7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7f14bf4b925d0aa7750c6298fec662f72dd5c2d206eb1c1f9200c24ed9eca7ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f14bf4b925d0aa7750c6298fec662f72dd5c2d206eb1c1f9200c24ed9eca7ae", kill_on_drop: false }`
[INFO] [stdout] 7f14bf4b925d0aa7750c6298fec662f72dd5c2d206eb1c1f9200c24ed9eca7ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97763ad0ca735166440c2f2c88a22b5fd1753af7fcf9f206b6bbd4ae5fde0134
[INFO] running `Command { std: "docker" "start" "-a" "97763ad0ca735166440c2f2c88a22b5fd1753af7fcf9f206b6bbd4ae5fde0134", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking instant v0.1.11
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]     Checking http-body v0.4.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking ed25519 v1.2.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking sharded-slab v0.1.3
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]     Checking metacrate v0.1.2
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking input_buffer v0.3.1
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking gethostname v0.2.1
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking base64-url v1.4.10
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]    Compiling serenity v0.10.9
[INFO] [stderr]    Compiling pkg-config v0.3.21
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking sha2 v0.9.8
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]     Checking uwl v0.6.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking typemap_rev v0.1.5
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking inotify v0.9.5
[INFO] [stderr]     Checking headers v0.3.4
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking typed-slab v0.1.4
[INFO] [stderr]     Checking input_buffer v0.4.0
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking pnet_base v0.28.0
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking nuid v0.3.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking notify v5.0.0-pre.13
[INFO] [stderr]     Checking poly1305 v0.7.2
[INFO] [stderr]     Checking aead v0.4.3
[INFO] [stderr]     Checking nanorand v0.6.1
[INFO] [stderr]     Checking pnet_macros_support v0.28.0
[INFO] [stderr]     Checking spin v0.9.2
[INFO] [stderr]     Checking itconfig v1.1.1
[INFO] [stderr]    Compiling songbird v0.2.0
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking spin_sleep v1.0.0
[INFO] [stderr]     Checking tracing-subscriber v0.3.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking webpki-roots v0.20.0
[INFO] [stderr]     Checking audiopus v0.2.0
[INFO] [stderr]     Checking webbrowser v0.5.5
[INFO] [stderr]     Checking server v0.1.0 (/opt/rustwide/workdir/server)
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking symphonia-core v0.2.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.4.1
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling thiserror-impl v1.0.29
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling zeroize_derive v1.2.0
[INFO] [stderr]    Compiling derive_more v0.99.16
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling strum_macros v0.21.1
[INFO] [stderr]    Compiling command_attr v0.3.7
[INFO] [stderr]    Compiling rill-derive v0.41.0
[INFO] [stderr]    Compiling pnet_macros v0.28.0
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking subtle-encoding v0.5.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.0
[INFO] [stderr]     Checking salsa20 v0.8.1
[INFO] [stderr]     Checking signatory v0.21.0
[INFO] [stderr]     Checking xsalsa20poly1305 v0.7.2
[INFO] [stderr]     Checking discortp v0.4.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking flume v0.10.9
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking tracing-futures v0.2.5
[INFO] [stderr]     Checking strum v0.21.0
[INFO] [stderr]     Checking nkeys v0.1.0
[INFO] [stderr]     Checking thiserror v1.0.29
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]     Checking tungstenite v0.13.0
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking streamcatcher v0.1.1
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking tokio-util v0.6.8
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking tokio-stream v0.1.7
[INFO] [stderr]     Checking async-tungstenite v0.11.0
[INFO] [stderr]     Checking async-tungstenite v0.14.0
[INFO] [stderr]     Checking h2 v0.3.6
[INFO] [stderr]     Checking meio v0.95.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking meio-protocol v0.95.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking vectorize v0.2.0
[INFO] [stderr]     Checking ordered-float v2.8.0
[INFO] [stderr]     Checking serde_qs v0.8.5
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking envy v0.4.2
[INFO] [stderr]     Checking rill-config v0.41.0
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking nats v0.15.2
[INFO] [stderr]     Checking serenity-voice-model v0.1.0
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]    Compiling num_enum_derive v0.5.4
[INFO] [stderr]     Checking num_enum v0.5.4
[INFO] [stderr]     Checking flexbuffers v2.0.0
[INFO] [stderr]     Checking hyper v0.14.13
[INFO] [stderr]     Checking tracing-bunyan-formatter v0.2.6
[INFO] [stderr]     Checking rill-protocol v0.41.0
[INFO] [stderr]     Checking common v0.1.0 (/opt/rustwide/workdir/common)
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking meio-connect v0.95.2
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking rill-engine v0.41.0
[INFO] [stderr]     Checking rrpack-basis v0.41.0
[INFO] [stderr]     Checking rate-core v0.41.0
[INFO] [stderr]     Checking rrpack-prime v0.41.0
[INFO] [stderr]     Checking rate-config v0.41.0
[INFO] [stderr]     Checking rillrate v0.41.0
[INFO] [stderr]     Checking web v0.1.0 (/opt/rustwide/workdir/web)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> web/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut command_count_value = count_write.get_mut(cmd_name).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> web/src/main.rs:317:9
[INFO] [stdout]     |
[INFO] [stdout] 317 |     let mut command_count_value = count_write.get_mut(cmd_name).unwrap();
[INFO] [stdout]     |         ----^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking core v0.1.0 (/opt/rustwide/workdir/core)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 35.18s
[INFO] running `Command { std: "docker" "inspect" "97763ad0ca735166440c2f2c88a22b5fd1753af7fcf9f206b6bbd4ae5fde0134", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97763ad0ca735166440c2f2c88a22b5fd1753af7fcf9f206b6bbd4ae5fde0134", kill_on_drop: false }`
[INFO] [stdout] 97763ad0ca735166440c2f2c88a22b5fd1753af7fcf9f206b6bbd4ae5fde0134