[INFO] cloning repository https://github.com/coeuvre/cgpp2
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/coeuvre/cgpp2" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoeuvre%2Fcgpp2", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoeuvre%2Fcgpp2'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ae8e42fa6188f13b390a50d3f57b29a443178dac
[INFO] checking coeuvre/cgpp2 against master#0d37dca25a51fb900a402c94c8818ad1c2789e30 for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcoeuvre%2Fcgpp2" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/coeuvre/cgpp2 on toolchain 0d37dca25a51fb900a402c94c8818ad1c2789e30
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/coeuvre/cgpp2
[INFO] finished tweaking git repo https://github.com/coeuvre/cgpp2
[INFO] tweaked toml for git repo https://github.com/coeuvre/cgpp2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/coeuvre/cgpp2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 22e70655024cef118e5b711a1d638abfa6ce8fd1e3bf589be7b67d74b9aefd97
[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" "22e70655024cef118e5b711a1d638abfa6ce8fd1e3bf589be7b67d74b9aefd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "22e70655024cef118e5b711a1d638abfa6ce8fd1e3bf589be7b67d74b9aefd97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22e70655024cef118e5b711a1d638abfa6ce8fd1e3bf589be7b67d74b9aefd97", kill_on_drop: false }`
[INFO] [stdout] 22e70655024cef118e5b711a1d638abfa6ce8fd1e3bf589be7b67d74b9aefd97
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+0d37dca25a51fb900a402c94c8818ad1c2789e30" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f91351018e56934a06b6a32f9d6dc1c3bc4f533daf4f5e75ed0ff9d81bfc4cfe
[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" "f91351018e56934a06b6a32f9d6dc1c3bc4f533daf4f5e75ed0ff9d81bfc4cfe", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling rayon-core v1.5.0
[INFO] [stderr]    Compiling serde v1.0.94
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking cgpp2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.5
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]    Compiling sdl2-sys v0.32.6
[INFO] [stderr]     Checking gif v0.10.2
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking crossbeam-epoch v0.7.1
[INFO] [stderr]     Checking num-bigint v0.2.2
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]    Compiling syn v0.15.39
[INFO] [stderr]     Checking crossbeam-deque v0.6.3
[INFO] [stderr]     Checking rayon v1.1.0
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking jpeg-decoder v0.1.15
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling serde_derive v1.0.94
[INFO] [stderr]     Checking tiff v0.2.2
[INFO] [stderr]     Checking image v0.21.2
[INFO] [stderr]     Checking obj-rs v0.5.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.23s
[INFO] running `Command { std: "docker" "inspect" "f91351018e56934a06b6a32f9d6dc1c3bc4f533daf4f5e75ed0ff9d81bfc4cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f91351018e56934a06b6a32f9d6dc1c3bc4f533daf4f5e75ed0ff9d81bfc4cfe", kill_on_drop: false }`
[INFO] [stdout] f91351018e56934a06b6a32f9d6dc1c3bc4f533daf4f5e75ed0ff9d81bfc4cfe