[INFO] cloning repository https://github.com/istaheev/wolfenrust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/istaheev/wolfenrust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fistaheev%2Fwolfenrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fistaheev%2Fwolfenrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cb8e7b45ecd57b32df54d073efec78c2b21cd7e3
[INFO] checking istaheev/wolfenrust against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fistaheev%2Fwolfenrust" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/istaheev/wolfenrust on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/istaheev/wolfenrust
[INFO] finished tweaking git repo https://github.com/istaheev/wolfenrust
[INFO] tweaked toml for git repo https://github.com/istaheev/wolfenrust written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/istaheev/wolfenrust 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] daf06366579ca5ffd1a615d42ef5affe7e92728ef9794f00e99df6cb5a1963ca
[INFO] running `Command { std: "docker" "start" "-a" "daf06366579ca5ffd1a615d42ef5affe7e92728ef9794f00e99df6cb5a1963ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "daf06366579ca5ffd1a615d42ef5affe7e92728ef9794f00e99df6cb5a1963ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "daf06366579ca5ffd1a615d42ef5affe7e92728ef9794f00e99df6cb5a1963ca", kill_on_drop: false }`
[INFO] [stdout] daf06366579ca5ffd1a615d42ef5affe7e92728ef9794f00e99df6cb5a1963ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d3b7a3b39d73c562009cd6c1fa2720740860d72b91838cf10efed5dde2bd92cf
[INFO] running `Command { std: "docker" "start" "-a" "d3b7a3b39d73c562009cd6c1fa2720740860d72b91838cf10efed5dde2bd92cf", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking wolfenrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/map.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/map.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported 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 3.20s
[INFO] running `Command { std: "docker" "inspect" "d3b7a3b39d73c562009cd6c1fa2720740860d72b91838cf10efed5dde2bd92cf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3b7a3b39d73c562009cd6c1fa2720740860d72b91838cf10efed5dde2bd92cf", kill_on_drop: false }`
[INFO] [stdout] d3b7a3b39d73c562009cd6c1fa2720740860d72b91838cf10efed5dde2bd92cf
[INFO] checking istaheev/wolfenrust against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fistaheev%2Fwolfenrust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/istaheev/wolfenrust on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/istaheev/wolfenrust
[INFO] finished tweaking git repo https://github.com/istaheev/wolfenrust
[INFO] tweaked toml for git repo https://github.com/istaheev/wolfenrust written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/istaheev/wolfenrust 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 572c59ee4c971641627c6801cd5e4493ff59a477f39bfbf9478fc807d1a025e3
[INFO] running `Command { std: "docker" "start" "-a" "572c59ee4c971641627c6801cd5e4493ff59a477f39bfbf9478fc807d1a025e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "572c59ee4c971641627c6801cd5e4493ff59a477f39bfbf9478fc807d1a025e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "572c59ee4c971641627c6801cd5e4493ff59a477f39bfbf9478fc807d1a025e3", kill_on_drop: false }`
[INFO] [stdout] 572c59ee4c971641627c6801cd5e4493ff59a477f39bfbf9478fc807d1a025e3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51c177494602b305b2f69a6daf0cb10bff404c17865260523aa1052bc8786df2
[INFO] running `Command { std: "docker" "start" "-a" "51c177494602b305b2f69a6daf0cb10bff404c17865260523aa1052bc8786df2", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling sdl2 v0.32.2
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking wolfenrust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/map.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `rand` is imported redundantly
[INFO] [stdout]   --> src/map.rs:72:16
[INFO] [stdout]    |
[INFO] [stdout] 72 |     use rand::{self, Rng};
[INFO] [stdout]    |                ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/main.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout] 2  | extern crate rand;
[INFO] [stdout]    | ------------------ the item `rand` is already imported 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 4.64s
[INFO] running `Command { std: "docker" "inspect" "51c177494602b305b2f69a6daf0cb10bff404c17865260523aa1052bc8786df2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51c177494602b305b2f69a6daf0cb10bff404c17865260523aa1052bc8786df2", kill_on_drop: false }`
[INFO] [stdout] 51c177494602b305b2f69a6daf0cb10bff404c17865260523aa1052bc8786df2