[INFO] cloning repository https://github.com/kryptan/pcx
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kryptan/pcx" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkryptan%2Fpcx", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkryptan%2Fpcx'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bf7c80442b6847683e974ddb4c3fe5e41dca0fc6
[INFO] checking kryptan/pcx against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkryptan%2Fpcx" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kryptan/pcx on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kryptan/pcx
[INFO] finished tweaking git repo https://github.com/kryptan/pcx
[INFO] tweaked toml for git repo https://github.com/kryptan/pcx written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded image v0.20.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0d7f66c331c594c5cec84e772d4d9eec41d33d50cb87e945e4a46373e56772d
[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" "a0d7f66c331c594c5cec84e772d4d9eec41d33d50cb87e945e4a46373e56772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0d7f66c331c594c5cec84e772d4d9eec41d33d50cb87e945e4a46373e56772d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0d7f66c331c594c5cec84e772d4d9eec41d33d50cb87e945e4a46373e56772d", kill_on_drop: false }`
[INFO] [stdout] a0d7f66c331c594c5cec84e772d4d9eec41d33d50cb87e945e4a46373e56772d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 085d4c0bbf81ba394058854c05f9e5fd1d9ec3534516888a9ad075e8cde6dd42
[INFO] running `Command { std: "docker" "start" "-a" "085d4c0bbf81ba394058854c05f9e5fd1d9ec3534516888a9ad075e8cde6dd42", kill_on_drop: false }`
[INFO] [stderr]     Checking num-rational v0.2.4
[INFO] [stderr]     Checking pcx v0.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking png v0.12.0
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/low_level/rle.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |             (1, run_value @ 0...0xBF) => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:260:36
[INFO] [stdout]     |
[INFO] [stdout] 260 |             Some(palette_length @ 1...16) => {
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking image v0.20.1
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/low_level/rle.rs:117:30
[INFO] [stdout]     |
[INFO] [stdout] 117 |             (1, run_value @ 0...0xBF) => {
[INFO] [stdout]     |                              ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/reader.rs:260:36
[INFO] [stdout]     |
[INFO] [stdout] 260 |             Some(palette_length @ 1...16) => {
[INFO] [stdout]     |                                    ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.52s
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "085d4c0bbf81ba394058854c05f9e5fd1d9ec3534516888a9ad075e8cde6dd42", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "085d4c0bbf81ba394058854c05f9e5fd1d9ec3534516888a9ad075e8cde6dd42", kill_on_drop: false }`
[INFO] [stdout] 085d4c0bbf81ba394058854c05f9e5fd1d9ec3534516888a9ad075e8cde6dd42