[INFO] cloning repository https://github.com/danbruder/scroll-direction
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danbruder/scroll-direction" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fscroll-direction", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fscroll-direction'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e360af1d99f0229e688ced0bfc83ad4c80744661
[INFO] checking danbruder/scroll-direction against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanbruder%2Fscroll-direction" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/danbruder/scroll-direction on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/danbruder/scroll-direction
[INFO] finished tweaking git repo https://github.com/danbruder/scroll-direction
[INFO] tweaked toml for git repo https://github.com/danbruder/scroll-direction written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/danbruder/scroll-direction 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded structopt v0.2.18
[INFO] [stderr]   Downloaded structopt-derive v0.2.18
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[INFO] [stderr]   Downloaded humantime v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0fc99708065f6ef39582e6ac396d5fc25212a57f7ec59c9d0f1b56fc8fbfbc3d
[INFO] running `Command { std: "docker" "start" "-a" "0fc99708065f6ef39582e6ac396d5fc25212a57f7ec59c9d0f1b56fc8fbfbc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0fc99708065f6ef39582e6ac396d5fc25212a57f7ec59c9d0f1b56fc8fbfbc3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0fc99708065f6ef39582e6ac396d5fc25212a57f7ec59c9d0f1b56fc8fbfbc3d", kill_on_drop: false }`
[INFO] [stdout] 0fc99708065f6ef39582e6ac396d5fc25212a57f7ec59c9d0f1b56fc8fbfbc3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2b999f486318329c88fac55d08006175242f7dd799dbb6821428192554754293
[INFO] running `Command { std: "docker" "start" "-a" "2b999f486318329c88fac55d08006175242f7dd799dbb6821428192554754293", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking quick-error v1.2.2
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking humantime v1.2.0
[INFO] [stderr]     Checking termcolor v1.0.5
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking remove_dir_all v0.5.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking bstr v0.2.7
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking backtrace v0.3.34
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]     Checking ignore v0.4.10
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]     Checking globwalk v0.3.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking clap-verbosity-flag v0.2.0
[INFO] [stderr]     Checking exitfailure v0.5.1
[INFO] [stderr]     Checking quicli v0.4.0
[INFO] [stderr]     Checking scroll-direction v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[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` profile [unoptimized + debuginfo] target(s) in 4.55s
[INFO] running `Command { std: "docker" "inspect" "2b999f486318329c88fac55d08006175242f7dd799dbb6821428192554754293", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b999f486318329c88fac55d08006175242f7dd799dbb6821428192554754293", kill_on_drop: false }`
[INFO] [stdout] 2b999f486318329c88fac55d08006175242f7dd799dbb6821428192554754293