[INFO] cloning repository https://github.com/rayrobdod/png-inflate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rayrobdod/png-inflate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayrobdod%2Fpng-inflate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayrobdod%2Fpng-inflate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5160046ea69260375747c7254b5e87c31335a938
[INFO] testing rayrobdod/png-inflate against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frayrobdod%2Fpng-inflate" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rayrobdod/png-inflate on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rayrobdod/png-inflate
[INFO] finished tweaking git repo https://github.com/rayrobdod/png-inflate
[INFO] tweaked toml for git repo https://github.com/rayrobdod/png-inflate written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/rayrobdod/png-inflate already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded atomicwrites v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc13771b3ba6511df40d9ce05e8c66016be2c0aeef1f6eabc966ee7cb882883a
[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" "bc13771b3ba6511df40d9ce05e8c66016be2c0aeef1f6eabc966ee7cb882883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc13771b3ba6511df40d9ce05e8c66016be2c0aeef1f6eabc966ee7cb882883a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc13771b3ba6511df40d9ce05e8c66016be2c0aeef1f6eabc966ee7cb882883a", kill_on_drop: false }`
[INFO] [stdout] bc13771b3ba6511df40d9ce05e8c66016be2c0aeef1f6eabc966ee7cb882883a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ecca95af5f317cca79036813fb32fd0775354a06f760dc5facf4dbaeca12f31a
[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" "ecca95af5f317cca79036813fb32fd0775354a06f760dc5facf4dbaeca12f31a", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]    Compiling atomicwrites v0.3.0
[INFO] [stderr]    Compiling png_inflate v0.0.0-SNAPSHOT (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.39s
[INFO] running `Command { std: "docker" "inspect" "ecca95af5f317cca79036813fb32fd0775354a06f760dc5facf4dbaeca12f31a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecca95af5f317cca79036813fb32fd0775354a06f760dc5facf4dbaeca12f31a", kill_on_drop: false }`
[INFO] [stdout] ecca95af5f317cca79036813fb32fd0775354a06f760dc5facf4dbaeca12f31a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--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] 480269f654e1226d1038270cb71b614a6a402ec0a772df9b0f238c05fd894773
[INFO] running `Command { std: "docker" "start" "-a" "480269f654e1226d1038270cb71b614a6a402ec0a772df9b0f238c05fd894773", kill_on_drop: false }`
[INFO] [stderr]    Compiling png_inflate_derive v0.0.0-SNAPSHOT (/opt/rustwide/workdir/lib/png_inflate_derive)
[INFO] [stderr]    Compiling png_inflate v0.0.0-SNAPSHOT (/opt/rustwide/workdir)
[INFO] [stdout] error: environment variable `SNG` not defined
[INFO] [stdout]   --> tests/semantics.rs:13:22
[INFO] [stdout]    |
[INFO] [stdout] 13 | const SNG_EXE:&str = env!("SNG");
[INFO] [stdout]    |                      ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `env` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `png_inflate`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "480269f654e1226d1038270cb71b614a6a402ec0a772df9b0f238c05fd894773", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "480269f654e1226d1038270cb71b614a6a402ec0a772df9b0f238c05fd894773", kill_on_drop: false }`
[INFO] [stdout] 480269f654e1226d1038270cb71b614a6a402ec0a772df9b0f238c05fd894773