[INFO] cloning repository https://github.com/zacharied/qs-learn-box
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zacharied/qs-learn-box" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 94d45c223b307eb5a0b4d7f9dd0790eaac2eceed
[INFO] checking zacharied/qs-learn-box against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzacharied%2Fqs-learn-box" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zacharied/qs-learn-box on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zacharied/qs-learn-box
[INFO] finished tweaking git repo https://github.com/zacharied/qs-learn-box
[INFO] tweaked toml for git repo https://github.com/zacharied/qs-learn-box written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/zacharied/qs-learn-box already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quicksilver v0.3.12
[INFO] [stderr]   Downloaded splines v0.2.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6ec347adb9b5e15e7576b4183961f8a985d4d6db6c676c96ce6c60a2545a69c
[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" "e6ec347adb9b5e15e7576b4183961f8a985d4d6db6c676c96ce6c60a2545a69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6ec347adb9b5e15e7576b4183961f8a985d4d6db6c676c96ce6c60a2545a69c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6ec347adb9b5e15e7576b4183961f8a985d4d6db6c676c96ce6c60a2545a69c", kill_on_drop: false }`
[INFO] [stdout] e6ec347adb9b5e15e7576b4183961f8a985d4d6db6c676c96ce6c60a2545a69c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "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] 7ce11b5af98fde55af3d2c0cb4f61f9e30200be3fba6fcd775551af5a848afc2
[INFO] running `Command { std: "docker" "start" "-a" "7ce11b5af98fde55af3d2c0cb4f61f9e30200be3fba6fcd775551af5a848afc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.34
[INFO] [stderr]    Compiling libm v0.1.3
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking claxon v0.3.3
[INFO] [stderr]     Checking immi v1.0.4
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num-integer v0.1.40
[INFO] [stderr]    Compiling num-iter v0.1.38
[INFO] [stderr]    Compiling minimp3-sys v0.3.1
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking nix v0.13.0
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking nix v0.11.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking slice-deque v0.2.4
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]    Compiling gl_generator v0.11.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]    Compiling wayland-scanner v0.21.12
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-complex v0.2.1
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking sid v0.5.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rusttype v0.7.6
[INFO] [stderr]     Checking cpal v0.8.2
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking num-rational v0.2.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking cgmath v0.16.1
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking wayland-sys v0.21.12
[INFO] [stderr]     Checking minimp3 v0.3.3
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking cgmath v0.14.1
[INFO] [stderr]     Checking alga v0.8.2
[INFO] [stderr]     Checking andrew v0.2.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]    Compiling gl v0.11.0
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.5
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.3
[INFO] [stderr]     Checking nalgebra v0.17.3
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]    Compiling wayland-client v0.21.12
[INFO] [stderr]    Compiling wayland-protocols v0.21.12
[INFO] [stderr]     Checking rodio v0.8.1
[INFO] [stderr]     Checking splines v0.2.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]     Checking gilrs-core v0.2.2
[INFO] [stderr]     Checking wayland-commons v0.21.12
[INFO] [stderr]     Checking gilrs v0.7.1
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling euclid_macros v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.91
[INFO] [stderr]    Compiling derivative v1.0.2
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking xmlparser v0.3.0
[INFO] [stderr]     Checking smithay-client-toolkit v0.4.5
[INFO] [stderr]     Checking euclid v0.19.8
[INFO] [stderr]     Checking svgparser v0.8.1
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.1
[INFO] [stderr]     Checking lyon_geom v0.12.6
[INFO] [stderr]     Checking lyon_path v0.13.1
[INFO] [stderr]     Checking lyon_svg v0.13.0
[INFO] [stderr]     Checking lyon_algorithms v0.13.1
[INFO] [stderr]     Checking lyon_tessellation v0.13.1
[INFO] [stderr]     Checking lyon_extra v0.13.0
[INFO] [stderr]     Checking lyon v0.13.1
[INFO] [stderr]     Checking winit v0.19.1
[INFO] [stderr]     Checking serde v1.0.91
[INFO] [stderr]     Checking ncollide2d v0.18.4
[INFO] [stderr]     Checking glutin v0.21.0
[INFO] [stderr]     Checking serde_json v1.0.39
[INFO] [stderr]     Checking quicksilver v0.3.12
[INFO] [stderr]     Checking learn-quicksilver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::borrow::Borrow`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::borrow::Borrow;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::borrow::Borrow`
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | use core::borrow::Borrow;
[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 2m 33s
[INFO] running `Command { std: "docker" "inspect" "7ce11b5af98fde55af3d2c0cb4f61f9e30200be3fba6fcd775551af5a848afc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ce11b5af98fde55af3d2c0cb4f61f9e30200be3fba6fcd775551af5a848afc2", kill_on_drop: false }`
[INFO] [stdout] 7ce11b5af98fde55af3d2c0cb4f61f9e30200be3fba6fcd775551af5a848afc2