[INFO] cloning repository https://github.com/sake/rs-pixeldoom
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sake/rs-pixeldoom" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsake%2Frs-pixeldoom", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsake%2Frs-pixeldoom'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2d2bc5bfc9b0b6b320f12ca08ee26b7abc3f2478
[INFO] checking sake/rs-pixeldoom against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsake%2Frs-pixeldoom" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sake/rs-pixeldoom on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sake/rs-pixeldoom
[INFO] finished tweaking git repo https://github.com/sake/rs-pixeldoom
[INFO] tweaked toml for git repo https://github.com/sake/rs-pixeldoom written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/sake/rs-pixeldoom already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gif v0.10.1
[INFO] [stderr]   Downloaded num-derive v0.2.3
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded num_cpus v1.9.0
[INFO] [stderr]   Downloaded cfg-if v0.1.6
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded lazy_static v1.2.0
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded png v0.12.0
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded tiff v0.2.1
[INFO] [stderr]   Downloaded rayon v1.0.3
[INFO] [stderr]   Downloaded deflate v0.7.19
[INFO] [stderr]   Downloaded inflate v0.4.4
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded num-traits v0.2.6
[INFO] [stderr]   Downloaded image v0.20.1
[INFO] [stderr]   Downloaded num-rational v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", 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] 6528e1bd456687c098ecc265f1d5eb885762b4c92b1809c34c420f6a6a0f967e
[INFO] running `Command { std: "docker" "start" "-a" "6528e1bd456687c098ecc265f1d5eb885762b4c92b1809c34c420f6a6a0f967e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6528e1bd456687c098ecc265f1d5eb885762b4c92b1809c34c420f6a6a0f967e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6528e1bd456687c098ecc265f1d5eb885762b4c92b1809c34c420f6a6a0f967e", kill_on_drop: false }`
[INFO] [stdout] 6528e1bd456687c098ecc265f1d5eb885762b4c92b1809c34c420f6a6a0f967e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 963c5147bc6e3a44f4c340ea1357b2630ce62ed3a870053a8f1aa9cd6d65cbc2
[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" "963c5147bc6e3a44f4c340ea1357b2630ce62ed3a870053a8f1aa9cd6d65cbc2", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.10
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking num_cpus v1.9.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]     Checking rayon v1.0.3
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]     Checking tiff v0.2.1
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stderr]     Checking rs-pixeldoom v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | /             loop {
[INFO] [stdout] 40 | |                 match self.stream
[INFO] [stdout] 41 | |                     .get(0)
[INFO] [stdout] 42 | |                     .expect("Uninitialized connection used.")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                     }
[INFO] [stdout] 62 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] 63 |               // increment pkt count
[INFO] [stdout] 64 |               self.numpkts += 1;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable statement
[INFO] [stdout]   --> src/main.rs:64:13
[INFO] [stdout]    |
[INFO] [stdout] 39 | /             loop {
[INFO] [stdout] 40 | |                 match self.stream
[INFO] [stdout] 41 | |                     .get(0)
[INFO] [stdout] 42 | |                     .expect("Uninitialized connection used.")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |                     }
[INFO] [stdout] 62 | |             }
[INFO] [stdout]    | |_____________- any code following this expression is unreachable
[INFO] [stdout] 63 |               // increment pkt count
[INFO] [stdout] 64 |               self.numpkts += 1;
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^ unreachable statement
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_code)]` 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 19.65s
[INFO] running `Command { std: "docker" "inspect" "963c5147bc6e3a44f4c340ea1357b2630ce62ed3a870053a8f1aa9cd6d65cbc2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "963c5147bc6e3a44f4c340ea1357b2630ce62ed3a870053a8f1aa9cd6d65cbc2", kill_on_drop: false }`
[INFO] [stdout] 963c5147bc6e3a44f4c340ea1357b2630ce62ed3a870053a8f1aa9cd6d65cbc2