[INFO] cloning repository https://github.com/ras0219/discord-whois
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ras0219/discord-whois" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras0219%2Fdiscord-whois", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras0219%2Fdiscord-whois'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8201a9482c8a961463935994bbfdb47ab0a84529
[INFO] checking ras0219/discord-whois against master#5e3f1b148db5bfa27fee52464ae1f5d34c49d77b for pr-75502
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fras0219%2Fdiscord-whois" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ras0219/discord-whois on toolchain 5e3f1b148db5bfa27fee52464ae1f5d34c49d77b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ras0219/discord-whois
[INFO] finished tweaking git repo https://github.com/ras0219/discord-whois
[INFO] tweaked toml for git repo https://github.com/ras0219/discord-whois written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ras0219/discord-whois already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 081776563b65dd3e1c808a44dd0ea6067b1bcb3c2b96d0669ece9522785b3726
[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" "081776563b65dd3e1c808a44dd0ea6067b1bcb3c2b96d0669ece9522785b3726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "081776563b65dd3e1c808a44dd0ea6067b1bcb3c2b96d0669ece9522785b3726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081776563b65dd3e1c808a44dd0ea6067b1bcb3c2b96d0669ece9522785b3726", kill_on_drop: false }`
[INFO] [stdout] 081776563b65dd3e1c808a44dd0ea6067b1bcb3c2b96d0669ece9522785b3726
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:e18d859f9e32a1da89bc7b2d7d51e13b57342044d1295d9fc0dd0068c58eb3d1" "/opt/rustwide/cargo-home/bin/cargo" "+5e3f1b148db5bfa27fee52464ae1f5d34c49d77b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53ba9fc31ce51a80f6bdaf52dc1ec530300fb44d98fd4581e8ec30bec70a57c3
[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" "53ba9fc31ce51a80f6bdaf52dc1ec530300fb44d98fd4581e8ec30bec70a57c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling cc v1.0.52
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[INFO] [stderr]     Checking slab v0.4.2
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[INFO] [stderr]    Compiling bitflags v1.2.1
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[INFO] [stderr]     Checking foreign-types-shared v0.1.1
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[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.15
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[INFO] [stderr]    Compiling ryu v1.0.4
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling encoding_rs v0.8.22
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[INFO] [stderr]     Checking once_cell v1.3.1
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[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
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[INFO] [stderr]     Checking rand_core v0.5.1
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[INFO] [stderr]     Checking tungstenite v0.10.1
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.9
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking pin-project v0.4.9
[INFO] [stderr]     Checking async-tungstenite v0.4.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.4
[INFO] [stderr]     Checking hyper v0.13.5
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking serde_json v1.0.52
[INFO] [stderr]     Checking reqwest v0.10.4
[INFO] [stderr]     Checking discord-whois v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: associated function is never used: `create_channel`
[INFO] [stdout]   --> src/discordclient.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub async fn create_channel(&mut self, id: &str) -> Channel {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resume`
[INFO] [stdout]    --> src/discordclient.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub async fn resume(&mut self, session_id: String) {
[INFO] [stdout]     |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `create_channel`
[INFO] [stdout]   --> src/discordclient.rs:59:18
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub async fn create_channel(&mut self, id: &str) -> Channel {
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resume`
[INFO] [stdout]    --> src/discordclient.rs:166:18
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub async fn resume(&mut self, session_id: String) {
[INFO] [stdout]     |                  ^^^^^^
[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 28s
[INFO] running `Command { std: "docker" "inspect" "53ba9fc31ce51a80f6bdaf52dc1ec530300fb44d98fd4581e8ec30bec70a57c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53ba9fc31ce51a80f6bdaf52dc1ec530300fb44d98fd4581e8ec30bec70a57c3", kill_on_drop: false }`
[INFO] [stdout] 53ba9fc31ce51a80f6bdaf52dc1ec530300fb44d98fd4581e8ec30bec70a57c3