[INFO] cloning repository https://github.com/lucifer1004/cp-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lucifer1004/cp-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucifer1004%2Fcp-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucifer1004%2Fcp-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3492d720eadf8f9bbc24f3f8e55b6235bbf2823a
[INFO] checking lucifer1004/cp-rust against master#0dce3f606e05cffab7361c132a399d3550ab0df8 for pr-78376
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flucifer1004%2Fcp-rust" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/lucifer1004/cp-rust on toolchain 0dce3f606e05cffab7361c132a399d3550ab0df8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/lucifer1004/cp-rust
[INFO] finished tweaking git repo https://github.com/lucifer1004/cp-rust
[INFO] tweaked toml for git repo https://github.com/lucifer1004/cp-rust written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/lucifer1004/cp-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8420def3e208583fc8969fcccf16d2f21fb631d67dbe6a9e1ff3222ffafcc3b4
[INFO] running `Command { std: "docker" "start" "-a" "8420def3e208583fc8969fcccf16d2f21fb631d67dbe6a9e1ff3222ffafcc3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8420def3e208583fc8969fcccf16d2f21fb631d67dbe6a9e1ff3222ffafcc3b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8420def3e208583fc8969fcccf16d2f21fb631d67dbe6a9e1ff3222ffafcc3b4", kill_on_drop: false }`
[INFO] [stdout] 8420def3e208583fc8969fcccf16d2f21fb631d67dbe6a9e1ff3222ffafcc3b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0dce3f606e05cffab7361c132a399d3550ab0df8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 808174bcc42d54f49fbc9806aff0411e87da161841c222204ac72adc3d6a0394
[INFO] running `Command { std: "docker" "start" "-a" "808174bcc42d54f49fbc9806aff0411e87da161841c222204ac72adc3d6a0394", kill_on_drop: false }`
[INFO] [stderr]     Checking byte-tools v0.3.1
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[INFO] [stderr]     Checking scoped-tls v1.0.0
[INFO] [stderr]    Compiling doc-comment v0.3.1
[INFO] [stderr]    Compiling sysinfo v0.9.6
[INFO] [stderr]     Checking strsim v0.9.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking vec_map v0.8.1
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[INFO] [stderr]     Checking tokio-sync v0.1.7
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[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking futures-util-preview v0.3.0-alpha.19
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[INFO] [stderr]     Checking getrandom v0.1.13
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[INFO] [stderr]    Compiling num_cpus v1.11.1
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[INFO] [stderr]    Compiling clap_derive v0.3.0 (https://github.com/clap-rs/clap_derive#4a46684b)
[INFO] [stderr]     Checking block-buffer v0.7.3
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[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]    Compiling openssl-sys v0.9.52
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.13
[INFO] [stderr]    Compiling libgit2-sys v0.9.1
[INFO] [stderr]    Compiling ring v0.16.9
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking clap v3.0.0-beta.1 (https://github.com/clap-rs/clap#335f34be)
[INFO] [stderr]     Checking tokio-sync v0.2.0-alpha.6
[INFO] [stderr]    Compiling openssl v0.10.25
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-executor v0.2.0-alpha.6
[INFO] [stderr]     Checking http-body v0.2.0-alpha.3
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[INFO] [stderr]     Checking tokio-timer v0.3.0-alpha.6
[INFO] [stderr]     Checking tokio-fs v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio-net v0.2.0-alpha.6
[INFO] [stderr]     Checking tokio v0.2.0-alpha.6
[INFO] [stderr]     Checking hyper v0.13.0-alpha.4
[INFO] [stderr]     Checking tokio-tls v0.3.0-alpha.6
[INFO] [stderr]     Checking git2 v0.10.1
[INFO] [stderr]     Checking warp v0.1.20
[INFO] [stderr]     Checking hyper-tls v0.4.0-alpha.4
[INFO] [stderr]     Checking reqwest v0.10.0-alpha.2
[INFO] [stderr]     Checking webdriver v0.40.2
[INFO] [stderr]     Checking fantoccini v0.12.0-alpha.4
[INFO] [stderr]     Checking cp-rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sign`
[INFO] [stdout]    --> src/codeforces.rs:186:8
[INFO] [stdout]     |
[INFO] [stdout] 186 | pub fn sign(method: String, params: HashMap<String, String>) -> String {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 44s
[INFO] running `Command { std: "docker" "inspect" "808174bcc42d54f49fbc9806aff0411e87da161841c222204ac72adc3d6a0394", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "808174bcc42d54f49fbc9806aff0411e87da161841c222204ac72adc3d6a0394", kill_on_drop: false }`
[INFO] [stdout] 808174bcc42d54f49fbc9806aff0411e87da161841c222204ac72adc3d6a0394