[INFO] cloning repository https://github.com/quangb/Discord-Bot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/quangb/Discord-Bot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangb%2FDiscord-Bot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangb%2FDiscord-Bot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38a3394d830c74479b6d1ca3fce50c2d41336f4c
[INFO] checking quangb/Discord-Bot against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fquangb%2FDiscord-Bot" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/quangb/Discord-Bot on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/quangb/Discord-Bot
[INFO] finished tweaking git repo https://github.com/quangb/Discord-Bot
[INFO] tweaked toml for git repo https://github.com/quangb/Discord-Bot written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/quangb/Discord-Bot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded security-framework-sys v0.4.1
[INFO] [stderr]   Downloaded webpki v0.21.2
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.12
[INFO] [stderr]   Downloaded tungstenite v0.9.2
[INFO] [stderr]   Downloaded hyper v0.13.3
[INFO] [stderr]   Downloaded h2 v0.2.2
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.59
[INFO] [stderr]   Downloaded tokio-rustls v0.13.0
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.59
[INFO] [stderr]   Downloaded js-sys v0.3.36
[INFO] [stderr]   Downloaded bumpalo v3.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.59
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.59
[INFO] [stderr]   Downloaded security-framework v0.4.1
[INFO] [stderr]   Downloaded uwl v0.5.1
[INFO] [stderr]   Downloaded web-sys v0.3.36
[INFO] [stderr]   Downloaded schannel v0.1.17
[INFO] [stderr]   Downloaded command_attr v0.1.7
[INFO] [stderr]   Downloaded serenity v0.8.0
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.9
[INFO] [stderr]   Downloaded ring v0.16.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9e7ba32a96d1ad96a3b2a9712b38bfbf9cd3e069c2f943561fb2c36e0cf522e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "a9e7ba32a96d1ad96a3b2a9712b38bfbf9cd3e069c2f943561fb2c36e0cf522e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9e7ba32a96d1ad96a3b2a9712b38bfbf9cd3e069c2f943561fb2c36e0cf522e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9e7ba32a96d1ad96a3b2a9712b38bfbf9cd3e069c2f943561fb2c36e0cf522e", kill_on_drop: false }`
[INFO] [stdout] a9e7ba32a96d1ad96a3b2a9712b38bfbf9cd3e069c2f943561fb2c36e0cf522e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+7b3565da729099dbe807466fcd118fb2815986e0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ac8850a62e4d0d09cd1b371ee1b94822b9c85145a389ad734a07fe0b316d59
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "53ac8850a62e4d0d09cd1b371ee1b94822b9c85145a389ad734a07fe0b316d59", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking adler32 v1.0.4
[INFO] [stderr]    Compiling serenity v0.8.0
[INFO] [stderr]     Checking uwl v0.5.1
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking futures-channel v0.3.4
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking lock_api v0.3.3
[INFO] [stderr]     Checking miniz_oxide v0.3.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking flate2 v1.0.14
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking http v0.1.21
[INFO] [stderr]     Checking tokio v0.2.13
[INFO] [stderr]     Checking generic-array v0.12.3
[INFO] [stderr]     Checking digest v0.8.1
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha-1 v0.8.2
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking ct-logs v0.6.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking rustls v0.16.0
[INFO] [stderr]     Checking tungstenite v0.9.2
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking rustls-native-certs v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.13.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.12
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling command_attr v0.1.7
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking h2 v0.2.2
[INFO] [stderr]     Checking hyper v0.13.3
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking hyper-rustls v0.20.0
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking bot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `msg`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let msg = msg.channel_id.send_message(&ctx.http, |m| {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut s: String = get_random_path(&vector_file);
[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: unused variable: `msg`
[INFO] [stdout]   --> src/main.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 |             let msg = msg.channel_id.send_message(&ctx.http, |m| {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_msg`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:33:17
[INFO] [stdout]    |
[INFO] [stdout] 33 |             let mut s: String = get_random_path(&vector_file);
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "53ac8850a62e4d0d09cd1b371ee1b94822b9c85145a389ad734a07fe0b316d59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ac8850a62e4d0d09cd1b371ee1b94822b9c85145a389ad734a07fe0b316d59", kill_on_drop: false }`
[INFO] [stdout] 53ac8850a62e4d0d09cd1b371ee1b94822b9c85145a389ad734a07fe0b316d59