[INFO] cloning repository https://github.com/adamchalmers/htree
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/adamchalmers/htree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Fhtree", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Fhtree'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3938b05c47d4aba33e78f4fb918cdf40673ea4c5
[INFO] checking adamchalmers/htree against try#b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8 for pr-78363
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fadamchalmers%2Fhtree" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/adamchalmers/htree on toolchain b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/adamchalmers/htree
[INFO] finished tweaking git repo https://github.com/adamchalmers/htree
[INFO] tweaked toml for git repo https://github.com/adamchalmers/htree written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/adamchalmers/htree already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0b84eb248e8b97df907026132b6b9c47847a1c2eb49f47430dce31f0f3ea1d55
[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" "0b84eb248e8b97df907026132b6b9c47847a1c2eb49f47430dce31f0f3ea1d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0b84eb248e8b97df907026132b6b9c47847a1c2eb49f47430dce31f0f3ea1d55", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b84eb248e8b97df907026132b6b9c47847a1c2eb49f47430dce31f0f3ea1d55", kill_on_drop: false }`
[INFO] [stdout] 0b84eb248e8b97df907026132b6b9c47847a1c2eb49f47430dce31f0f3ea1d55
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+b2c2190fa7bf856bb0ed5e8806266e3a2135c6f8" "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] c3c4992f2f7995f5d4e6c57239be1358689984de00293cc0a1349f7e26f4058d
[INFO] running `Command { std: "docker" "start" "-a" "c3c4992f2f7995f5d4e6c57239be1358689984de00293cc0a1349f7e26f4058d", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking color_quant v1.0.0
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking htree v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/fractals.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter`
[INFO] [stdout]  --> src/fractals.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter;
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.42s
[INFO] running `Command { std: "docker" "inspect" "c3c4992f2f7995f5d4e6c57239be1358689984de00293cc0a1349f7e26f4058d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3c4992f2f7995f5d4e6c57239be1358689984de00293cc0a1349f7e26f4058d", kill_on_drop: false }`
[INFO] [stdout] c3c4992f2f7995f5d4e6c57239be1358689984de00293cc0a1349f7e26f4058d