[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#84e729a59f216cc64755788a470f165429a731f4 for pr-123737-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ff4bio%2Fnipplebot.rs" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/f4bio/nipplebot.rs on toolchain 84e729a59f216cc64755788a470f165429a731f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-3-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-3-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" "+84e729a59f216cc64755788a470f165429a731f4" "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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
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[INFO] [stderr]   Downloaded metacrate v0.1.2
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[INFO] [stderr]   Downloaded rillrate v0.41.0
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[INFO] [stderr]   Downloaded want v0.3.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd9aab9d63e59aa2f1f1a8f8afde3c4a2781a496afc9f05a4d5d06cd5bdfc546
[INFO] running `Command { std: "docker" "start" "-a" "fd9aab9d63e59aa2f1f1a8f8afde3c4a2781a496afc9f05a4d5d06cd5bdfc546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd9aab9d63e59aa2f1f1a8f8afde3c4a2781a496afc9f05a4d5d06cd5bdfc546", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd9aab9d63e59aa2f1f1a8f8afde3c4a2781a496afc9f05a4d5d06cd5bdfc546", kill_on_drop: false }`
[INFO] [stdout] fd9aab9d63e59aa2f1f1a8f8afde3c4a2781a496afc9f05a4d5d06cd5bdfc546
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+84e729a59f216cc64755788a470f165429a731f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e6a05b1f9cf65bd4a524b3a965e500753a54465f99a4c04236aea39e498e32de
[INFO] running `Command { std: "docker" "start" "-a" "e6a05b1f9cf65bd4a524b3a965e500753a54465f99a4c04236aea39e498e32de", 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 syn v1.0.80
[INFO] [stderr]    Compiling libc v0.2.103
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]    Compiling typenum v1.14.0
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
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[INFO] [stderr]     Checking cpufeatures v0.2.1
[INFO] [stderr]     Checking futures-sink v0.3.17
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[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
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[INFO] [stderr]     Checking form_urlencoded v1.0.1
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[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling getrandom v0.1.16
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[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]    Compiling serde_json v1.0.68
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[INFO] [stderr]    Compiling async-trait v0.1.51
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling unicase v2.6.0
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[INFO] [stderr]    Compiling anyhow v1.0.44
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[INFO] [stderr]    Compiling convert_case v0.4.0
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[INFO] [stderr]     Checking parking_lot_core v0.8.5
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[INFO] [stderr]    Compiling heck v0.3.3
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[INFO] [stderr]     Checking headers v0.3.4
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[INFO] [stderr]     Checking inotify v0.9.5
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]     Checking universal-hash v0.4.1
[INFO] [stderr]     Checking cipher v0.3.0
[INFO] [stderr]    Compiling audiopus_sys v0.1.8
[INFO] [stderr]     Checking num-traits v0.1.43
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[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 1m 31s
[INFO] running `Command { std: "docker" "inspect" "e6a05b1f9cf65bd4a524b3a965e500753a54465f99a4c04236aea39e498e32de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6a05b1f9cf65bd4a524b3a965e500753a54465f99a4c04236aea39e498e32de", kill_on_drop: false }`
[INFO] [stdout] e6a05b1f9cf65bd4a524b3a965e500753a54465f99a4c04236aea39e498e32de