[INFO] fetching crate push2_pong 0.2.0...
[INFO] checking push2_pong-0.2.0 against master#a836d9b6413d9d593be6c09463ff8c4c70e56599 for pr-84037
[INFO] extracting crate push2_pong 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate push2_pong 0.2.0 on toolchain a836d9b6413d9d593be6c09463ff8c4c70e56599
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate push2_pong 0.2.0
[INFO] finished tweaking crates.io crate push2_pong 0.2.0
[INFO] tweaked toml for crates.io crate push2_pong 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate push2_pong 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "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] 0a06f28a3964d4a520834c761d26bfe49f59876c841cd8ed6e42923bb0f11f18
[INFO] running `Command { std: "docker" "start" "-a" "0a06f28a3964d4a520834c761d26bfe49f59876c841cd8ed6e42923bb0f11f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0a06f28a3964d4a520834c761d26bfe49f59876c841cd8ed6e42923bb0f11f18", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a06f28a3964d4a520834c761d26bfe49f59876c841cd8ed6e42923bb0f11f18", kill_on_drop: false }`
[INFO] [stdout] 0a06f28a3964d4a520834c761d26bfe49f59876c841cd8ed6e42923bb0f11f18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+a836d9b6413d9d593be6c09463ff8c4c70e56599" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fad7483beb2c8820543616076950c86c6014e64587ecfc0708f8398ed78d4cc0
[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" "fad7483beb2c8820543616076950c86c6014e64587ecfc0708f8398ed78d4cc0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling syn v1.0.56
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling anyhow v1.0.37
[INFO] [stderr]     Checking micromath v1.1.0
[INFO] [stderr]     Checking memalloc v0.1.0
[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking gameloop v0.2.0
[INFO] [stderr]    Compiling libflate v1.0.3
[INFO] [stderr]     Checking embedded-graphics-core v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking embedded-graphics v0.7.0-alpha.3
[INFO] [stderr]    Compiling filetime v0.2.13
[INFO] [stderr]    Compiling xattr v0.2.2
[INFO] [stderr]     Checking nix v0.15.0
[INFO] [stderr]    Compiling tar v0.4.30
[INFO] [stderr]    Compiling libusb1-sys v0.4.3
[INFO] [stderr]     Checking rusb v0.6.5
[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking midir v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking push2_display v1.0.0-alpha.2
[INFO] [stderr]     Checking push2_pong v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.36s
[INFO] running `Command { std: "docker" "inspect" "fad7483beb2c8820543616076950c86c6014e64587ecfc0708f8398ed78d4cc0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fad7483beb2c8820543616076950c86c6014e64587ecfc0708f8398ed78d4cc0", kill_on_drop: false }`
[INFO] [stdout] fad7483beb2c8820543616076950c86c6014e64587ecfc0708f8398ed78d4cc0