[INFO] cloning repository https://github.com/felipetavares/izkp
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/felipetavares/izkp" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipetavares%2Fizkp", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipetavares%2Fizkp'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d5906a7ff0e8b77d43e8d9dc1a359b46275c576d
[INFO] checking felipetavares/izkp against master#6162f6f12339aa81fe16b8a64644ead497e411b2 for pr-113240
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffelipetavares%2Fizkp" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/felipetavares/izkp on toolchain 6162f6f12339aa81fe16b8a64644ead497e411b2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/felipetavares/izkp
[INFO] finished tweaking git repo https://github.com/felipetavares/izkp
[INFO] tweaked toml for git repo https://github.com/felipetavares/izkp written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/felipetavares/izkp 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" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff42a302b66640e64b6f6fe8b3fca66646f2bfda5794fa19145c49ba40c88594
[INFO] running `Command { std: "docker" "start" "-a" "ff42a302b66640e64b6f6fe8b3fca66646f2bfda5794fa19145c49ba40c88594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff42a302b66640e64b6f6fe8b3fca66646f2bfda5794fa19145c49ba40c88594", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff42a302b66640e64b6f6fe8b3fca66646f2bfda5794fa19145c49ba40c88594", kill_on_drop: false }`
[INFO] [stdout] ff42a302b66640e64b6f6fe8b3fca66646f2bfda5794fa19145c49ba40c88594
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:a420fdec406141845121210faa381f8029b0be6d4170deff7c4445a424f67918" "/opt/rustwide/cargo-home/bin/cargo" "+6162f6f12339aa81fe16b8a64644ead497e411b2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7b48078a70e7ea9a9c0f31910504b81773b7751d7c898e1ca23593a2eb9f6c63
[INFO] running `Command { std: "docker" "start" "-a" "7b48078a70e7ea9a9c0f31910504b81773b7751d7c898e1ca23593a2eb9f6c63", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking izkp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/graph.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for mut vertex in &mut random_g.vertices {
[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]    --> src/graph.rs:139:13
[INFO] [stdout]     |
[INFO] [stdout] 139 |         for mut vertex in &mut random_g.vertices {
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1.50s
[INFO] running `Command { std: "docker" "inspect" "7b48078a70e7ea9a9c0f31910504b81773b7751d7c898e1ca23593a2eb9f6c63", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b48078a70e7ea9a9c0f31910504b81773b7751d7c898e1ca23593a2eb9f6c63", kill_on_drop: false }`
[INFO] [stdout] 7b48078a70e7ea9a9c0f31910504b81773b7751d7c898e1ca23593a2eb9f6c63