[INFO] cloning repository https://github.com/alasher/gblite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/alasher/gblite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falasher%2Fgblite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falasher%2Fgblite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 905e350945ef91e68dd2a2c2f5968a182d863112
[INFO] checking alasher/gblite against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Falasher%2Fgblite" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/alasher/gblite 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/alasher/gblite
[INFO] finished tweaking git repo https://github.com/alasher/gblite
[INFO] tweaked toml for git repo https://github.com/alasher/gblite written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/alasher/gblite 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] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [55] Failed sending data to the peer (OpenSSL SSL_read: SSL_ERROR_SYSCALL, errno 0)
[INFO] [stderr] warning: spurious network error (3 tries remaining): [56] Failure when receiving data from the peer (Recv failure: Connection reset by peer)
[INFO] [stderr]   Downloaded sdl2 v0.34.5
[INFO] [stderr]   Downloaded num-bigint v0.3.3
[INFO] [stderr]   Downloaded num-complex v0.3.1
[INFO] [stderr]   Downloaded sdl2-sys v0.34.5
[INFO] [stderr]   Downloaded ctrlc v3.1.10
[INFO] [stderr]   Downloaded num v0.3.1
[INFO] [stderr]   Downloaded version-compare v0.0.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d091e5b5d8dc1c6122fa6ff22d078c18a0841a5a708e364d091d3d6ca67deaf3
[INFO] running `Command { std: "docker" "start" "-a" "d091e5b5d8dc1c6122fa6ff22d078c18a0841a5a708e364d091d3d6ca67deaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d091e5b5d8dc1c6122fa6ff22d078c18a0841a5a708e364d091d3d6ca67deaf3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d091e5b5d8dc1c6122fa6ff22d078c18a0841a5a708e364d091d3d6ca67deaf3", kill_on_drop: false }`
[INFO] [stdout] d091e5b5d8dc1c6122fa6ff22d078c18a0841a5a708e364d091d3d6ca67deaf3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c597333b10ebf92038febf536ab6dda5275bef72c43210100b926f259bb3f5e3
[INFO] running `Command { std: "docker" "start" "-a" "c597333b10ebf92038febf536ab6dda5275bef72c43210100b926f259bb3f5e3", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.15
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling version-compare v0.0.10
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling num-bigint v0.3.3
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling sdl2 v0.34.5
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling sdl2-sys v0.34.5
[INFO] [stderr]     Checking num-integer v0.1.45
[INFO] [stderr]     Checking num-complex v0.3.1
[INFO] [stderr]     Checking nix v0.22.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking ctrlc v3.1.10
[INFO] [stderr]     Checking libgblite v0.1.0 (/opt/rustwide/workdir/libgblite)
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> libgblite/src/registers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> libgblite/src/window.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `PartialEq` is imported redundantly
[INFO] [stdout]  --> libgblite/src/registers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::cmp::PartialEq;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/ceab6128fa48a616bfd3e3adf4bc80133b8ee223/library/std/src/prelude/mod.rs:134:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `PartialEq` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `sdl2` is imported redundantly
[INFO] [stdout]  --> libgblite/src/window.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use sdl2;
[INFO] [stdout]   |     ^^^^ the item `sdl2` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flag_z`, `flag_h`, and `flag_cy` are never read
[INFO] [stdout]   --> libgblite/src/alu.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct AluInput16 {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub flag_z: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 65 |     pub flag_n: bool,
[INFO] [stdout] 66 |     pub flag_h: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 67 |     pub flag_cy: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `flag_z`, `flag_h`, and `flag_cy` are never read
[INFO] [stdout]   --> libgblite/src/alu.rs:64:9
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct AluInput16 {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 64 |     pub flag_z: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 65 |     pub flag_n: bool,
[INFO] [stdout] 66 |     pub flag_h: bool,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout] 67 |     pub flag_cy: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking gblite v0.1.1 (/opt/rustwide/workdir/gblite)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.35s
[INFO] running `Command { std: "docker" "inspect" "c597333b10ebf92038febf536ab6dda5275bef72c43210100b926f259bb3f5e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c597333b10ebf92038febf536ab6dda5275bef72c43210100b926f259bb3f5e3", kill_on_drop: false }`
[INFO] [stdout] c597333b10ebf92038febf536ab6dda5275bef72c43210100b926f259bb3f5e3