[INFO] cloning repository https://github.com/supdrewin/algorithm20-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/supdrewin/algorithm20-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupdrewin%2Falgorithm20-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupdrewin%2Falgorithm20-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 03ce6b3f4c5690e05227838d1796ec2d35bfd047
[INFO] checking supdrewin/algorithm20-rs against try#d42a007e04d1d7df0de258d39ac2402f35aba932 for pr-103029-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsupdrewin%2Falgorithm20-rs" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/supdrewin/algorithm20-rs on toolchain d42a007e04d1d7df0de258d39ac2402f35aba932
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-7-tc2/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/supdrewin/algorithm20-rs
[INFO] finished tweaking git repo https://github.com/supdrewin/algorithm20-rs
[INFO] tweaked toml for git repo https://github.com/supdrewin/algorithm20-rs written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d3b11d2c3bcd9697c11425b194f215b0b5b306621f13b7968a68569f9e8addb
[INFO] running `Command { std: "docker" "start" "-a" "8d3b11d2c3bcd9697c11425b194f215b0b5b306621f13b7968a68569f9e8addb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d3b11d2c3bcd9697c11425b194f215b0b5b306621f13b7968a68569f9e8addb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d3b11d2c3bcd9697c11425b194f215b0b5b306621f13b7968a68569f9e8addb", kill_on_drop: false }`
[INFO] [stdout] 8d3b11d2c3bcd9697c11425b194f215b0b5b306621f13b7968a68569f9e8addb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:19e73879b68f455e41552ea35293514db52ea292d993f571636dbffedb77a1ee" "/opt/rustwide/cargo-home/bin/cargo" "+d42a007e04d1d7df0de258d39ac2402f35aba932" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3dc2c015553cf48a1e3178d4ee01416fd8961d6f7cc70c7030fe6e0f20b067f5
[INFO] running `Command { std: "docker" "start" "-a" "3dc2c015553cf48a1e3178d4ee01416fd8961d6f7cc70c7030fe6e0f20b067f5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.146
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.17
[INFO] [stderr]     Checking try_1 v0.1.0 (/opt/rustwide/workdir/try_1)
[INFO] [stderr]     Checking treap v0.1.0 (/opt/rustwide/workdir/treap)
[INFO] [stderr]     Checking home v0.1.0 (/opt/rustwide/workdir/home)
[INFO] [stderr]     Checking red_black v0.1.0 (/opt/rustwide/workdir/red_black)
[INFO] [stderr]     Checking chips v0.1.0 (/opt/rustwide/workdir/chips)
[INFO] [stderr]     Checking try_6 v0.1.0 (/opt/rustwide/workdir/try_6)
[INFO] [stderr]     Checking leetcode v0.1.0 (/opt/rustwide/workdir/leetcode)
[INFO] [stderr]     Checking try_3 v0.1.0 (/opt/rustwide/workdir/try_3)
[INFO] [stdout] warning: the feature `mixed_integer_ops` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> leetcode/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking try_2 v0.1.0 (/opt/rustwide/workdir/try_2)
[INFO] [stdout] warning: the feature `mixed_integer_ops` has been stable since 1.66.0 and no longer requires an attribute to enable
[INFO] [stdout]  --> leetcode/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(mixed_integer_ops)]
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(stable_features)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking try_4 v0.1.0 (/opt/rustwide/workdir/try_4)
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sort v0.1.0 (/opt/rustwide/workdir/sort)
[INFO] [stderr]     Finished dev [optimized + debuginfo] target(s) in 3.80s
[INFO] running `Command { std: "docker" "inspect" "3dc2c015553cf48a1e3178d4ee01416fd8961d6f7cc70c7030fe6e0f20b067f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dc2c015553cf48a1e3178d4ee01416fd8961d6f7cc70c7030fe6e0f20b067f5", kill_on_drop: false }`
[INFO] [stdout] 3dc2c015553cf48a1e3178d4ee01416fd8961d6f7cc70c7030fe6e0f20b067f5