[INFO] cloning repository https://github.com/pmalmgren/pongbrickbreaker
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pmalmgren/pongbrickbreaker" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fpongbrickbreaker", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fpongbrickbreaker'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 708bee1059243ea43af39418dac04eeca8034275
[INFO] checking pmalmgren/pongbrickbreaker against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fpongbrickbreaker" "/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/pmalmgren/pongbrickbreaker 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/pmalmgren/pongbrickbreaker
[INFO] finished tweaking git repo https://github.com/pmalmgren/pongbrickbreaker
[INFO] tweaked toml for git repo https://github.com/pmalmgren/pongbrickbreaker written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/pmalmgren/pongbrickbreaker 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-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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04479f87f1c687ceb98e9152a0254cf2a5b70cfaa52e6a8077c236f181b4fd60
[INFO] running `Command { std: "docker" "start" "-a" "04479f87f1c687ceb98e9152a0254cf2a5b70cfaa52e6a8077c236f181b4fd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04479f87f1c687ceb98e9152a0254cf2a5b70cfaa52e6a8077c236f181b4fd60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04479f87f1c687ceb98e9152a0254cf2a5b70cfaa52e6a8077c236f181b4fd60", kill_on_drop: false }`
[INFO] [stdout] 04479f87f1c687ceb98e9152a0254cf2a5b70cfaa52e6a8077c236f181b4fd60
[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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 84aacad7ad27b72b70f21391452b9437f8dbd91bb80a8549433db4babd71bc84
[INFO] running `Command { std: "docker" "start" "-a" "84aacad7ad27b72b70f21391452b9437f8dbd91bb80a8549433db4babd71bc84", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:415:18
[INFO] [stdout]     |
[INFO] [stdout] 415 |             0 => (brick_width / 2),
[INFO] [stdout]     |                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             0 => (brick_width / 2),
[INFO] [stdout] 415 +             0 => brick_width / 2,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:415:18
[INFO] [stdout]     |
[INFO] [stdout] 415 |             0 => (brick_width / 2),
[INFO] [stdout]     |                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             0 => (brick_width / 2),
[INFO] [stdout] 415 +             0 => brick_width / 2,
[INFO] [stdout]     |
[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 1.74s
[INFO] running `Command { std: "docker" "inspect" "84aacad7ad27b72b70f21391452b9437f8dbd91bb80a8549433db4babd71bc84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84aacad7ad27b72b70f21391452b9437f8dbd91bb80a8549433db4babd71bc84", kill_on_drop: false }`
[INFO] [stdout] 84aacad7ad27b72b70f21391452b9437f8dbd91bb80a8549433db4babd71bc84
[INFO] checking pmalmgren/pongbrickbreaker against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpmalmgren%2Fpongbrickbreaker" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/pmalmgren/pongbrickbreaker 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/pmalmgren/pongbrickbreaker
[INFO] finished tweaking git repo https://github.com/pmalmgren/pongbrickbreaker
[INFO] tweaked toml for git repo https://github.com/pmalmgren/pongbrickbreaker written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/pmalmgren/pongbrickbreaker 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] b937edbec478abc77333a69bd4b2778366e2fb79c0859a984ad6dfdb8f02ce2d
[INFO] running `Command { std: "docker" "start" "-a" "b937edbec478abc77333a69bd4b2778366e2fb79c0859a984ad6dfdb8f02ce2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b937edbec478abc77333a69bd4b2778366e2fb79c0859a984ad6dfdb8f02ce2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b937edbec478abc77333a69bd4b2778366e2fb79c0859a984ad6dfdb8f02ce2d", kill_on_drop: false }`
[INFO] [stdout] b937edbec478abc77333a69bd4b2778366e2fb79c0859a984ad6dfdb8f02ce2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] c087773d6722ea5a9655faba96534f34358d348b9d93038bc56077e227eb02b3
[INFO] running `Command { std: "docker" "start" "-a" "c087773d6722ea5a9655faba96534f34358d348b9d93038bc56077e227eb02b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.66
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling ncurses v5.99.0
[INFO] [stderr]     Checking pong v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:415:18
[INFO] [stdout]     |
[INFO] [stdout] 415 |             0 => (brick_width / 2),
[INFO] [stdout]     |                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             0 => (brick_width / 2),
[INFO] [stdout] 415 +             0 => brick_width / 2,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around match arm expression
[INFO] [stdout]    --> src/main.rs:415:18
[INFO] [stdout]     |
[INFO] [stdout] 415 |             0 => (brick_width / 2),
[INFO] [stdout]     |                  ^               ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 415 -             0 => (brick_width / 2),
[INFO] [stdout] 415 +             0 => brick_width / 2,
[INFO] [stdout]     |
[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 2.11s
[INFO] running `Command { std: "docker" "inspect" "c087773d6722ea5a9655faba96534f34358d348b9d93038bc56077e227eb02b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c087773d6722ea5a9655faba96534f34358d348b9d93038bc56077e227eb02b3", kill_on_drop: false }`
[INFO] [stdout] c087773d6722ea5a9655faba96534f34358d348b9d93038bc56077e227eb02b3