[INFO] cloning repository https://github.com/Arthur-Damasceno/algorithms
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Arthur-Damasceno/algorithms" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthur-Damasceno%2Falgorithms", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthur-Damasceno%2Falgorithms'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 36e9543b7b748d12e55e3197b58e718c2f833044
[INFO] checking Arthur-Damasceno/algorithms against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthur-Damasceno%2Falgorithms" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arthur-Damasceno/algorithms on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arthur-Damasceno/algorithms
[INFO] finished tweaking git repo https://github.com/Arthur-Damasceno/algorithms
[INFO] tweaked toml for git repo https://github.com/Arthur-Damasceno/algorithms written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/Arthur-Damasceno/algorithms 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a9131c28825faa7c0cbf1ece1c809819374555b96519cbcfa9f3180f322612d2
[INFO] running `Command { std: "docker" "start" "-a" "a9131c28825faa7c0cbf1ece1c809819374555b96519cbcfa9f3180f322612d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9131c28825faa7c0cbf1ece1c809819374555b96519cbcfa9f3180f322612d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9131c28825faa7c0cbf1ece1c809819374555b96519cbcfa9f3180f322612d2", kill_on_drop: false }`
[INFO] [stdout] a9131c28825faa7c0cbf1ece1c809819374555b96519cbcfa9f3180f322612d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a2500762b0f148b5a1c798e8d94f01bc5716b431ee617b3b3b7c6f77e6e3164
[INFO] running `Command { std: "docker" "start" "-a" "8a2500762b0f148b5a1c798e8d94f01bc5716b431ee617b3b3b7c6f77e6e3164", kill_on_drop: false }`
[INFO] [stderr]     Checking average v0.1.0 (/opt/rustwide/workdir/average)
[INFO] [stderr]     Checking double v0.1.0 (/opt/rustwide/workdir/double)
[INFO] [stderr]     Checking factorial v0.1.0 (/opt/rustwide/workdir/factorial)
[INFO] [stderr]     Checking set_amplitude v0.1.0 (/opt/rustwide/workdir/set_amplitude)
[INFO] [stderr]     Checking natural_logarithm v0.1.0 (/opt/rustwide/workdir/natural_logarithm)
[INFO] [stderr]     Checking quadratic v0.1.0 (/opt/rustwide/workdir/quadratic)
[INFO] [stderr]     Checking triangle v0.1.0 (/opt/rustwide/workdir/triangle)
[INFO] [stderr]     Checking ifce_average v0.1.0 (/opt/rustwide/workdir/ifce_average)
[INFO] [stderr]     Checking pi v0.1.0 (/opt/rustwide/workdir/pi)
[INFO] [stderr]     Checking linked_list v0.1.0 (/opt/rustwide/workdir/linked_list)
[INFO] [stdout] warning: unused import: `iter::Iterator`
[INFO] [stdout]  --> linked_list/src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::take, iter::Iterator};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Iterator`
[INFO] [stdout]  --> linked_list/src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::take, iter::Iterator};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "8a2500762b0f148b5a1c798e8d94f01bc5716b431ee617b3b3b7c6f77e6e3164", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a2500762b0f148b5a1c798e8d94f01bc5716b431ee617b3b3b7c6f77e6e3164", kill_on_drop: false }`
[INFO] [stdout] 8a2500762b0f148b5a1c798e8d94f01bc5716b431ee617b3b3b7c6f77e6e3164
[INFO] checking Arthur-Damasceno/algorithms against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FArthur-Damasceno%2Falgorithms" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Arthur-Damasceno/algorithms on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Arthur-Damasceno/algorithms
[INFO] finished tweaking git repo https://github.com/Arthur-Damasceno/algorithms
[INFO] tweaked toml for git repo https://github.com/Arthur-Damasceno/algorithms written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/Arthur-Damasceno/algorithms 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31afd55f49687252bb65f325b0443b11481a95135395f28c3fa2c17eacdda75e
[INFO] running `Command { std: "docker" "start" "-a" "31afd55f49687252bb65f325b0443b11481a95135395f28c3fa2c17eacdda75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31afd55f49687252bb65f325b0443b11481a95135395f28c3fa2c17eacdda75e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31afd55f49687252bb65f325b0443b11481a95135395f28c3fa2c17eacdda75e", kill_on_drop: false }`
[INFO] [stdout] 31afd55f49687252bb65f325b0443b11481a95135395f28c3fa2c17eacdda75e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc9d0f211a796d9f61d2d263b57492d9e2fe3eaf80fc47f57bb02a917232a41
[INFO] running `Command { std: "docker" "start" "-a" "3dc9d0f211a796d9f61d2d263b57492d9e2fe3eaf80fc47f57bb02a917232a41", kill_on_drop: false }`
[INFO] [stderr]     Checking average v0.1.0 (/opt/rustwide/workdir/average)
[INFO] [stderr]     Checking natural_logarithm v0.1.0 (/opt/rustwide/workdir/natural_logarithm)
[INFO] [stderr]     Checking quadratic v0.1.0 (/opt/rustwide/workdir/quadratic)
[INFO] [stderr]     Checking triangle v0.1.0 (/opt/rustwide/workdir/triangle)
[INFO] [stderr]     Checking set_amplitude v0.1.0 (/opt/rustwide/workdir/set_amplitude)
[INFO] [stderr]     Checking ifce_average v0.1.0 (/opt/rustwide/workdir/ifce_average)
[INFO] [stderr]     Checking factorial v0.1.0 (/opt/rustwide/workdir/factorial)
[INFO] [stderr]     Checking double v0.1.0 (/opt/rustwide/workdir/double)
[INFO] [stderr]     Checking pi v0.1.0 (/opt/rustwide/workdir/pi)
[INFO] [stderr]     Checking linked_list v0.1.0 (/opt/rustwide/workdir/linked_list)
[INFO] [stdout] warning: unused import: `iter::Iterator`
[INFO] [stdout]  --> linked_list/src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::take, iter::Iterator};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `iter::Iterator`
[INFO] [stdout]  --> linked_list/src/lib.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{mem::take, iter::Iterator};
[INFO] [stdout]   |                      ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.45s
[INFO] running `Command { std: "docker" "inspect" "3dc9d0f211a796d9f61d2d263b57492d9e2fe3eaf80fc47f57bb02a917232a41", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc9d0f211a796d9f61d2d263b57492d9e2fe3eaf80fc47f57bb02a917232a41", kill_on_drop: false }`
[INFO] [stdout] 3dc9d0f211a796d9f61d2d263b57492d9e2fe3eaf80fc47f57bb02a917232a41