[INFO] fetching crate raytracer 0.2.2...
[INFO] checking raytracer-0.2.2 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate raytracer 0.2.2 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate raytracer 0.2.2 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate raytracer 0.2.2
[INFO] finished tweaking crates.io crate raytracer 0.2.2
[INFO] tweaked toml for crates.io crate raytracer 0.2.2 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ice-threads v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a4674fc1191528739c2d8ca9567cc2f2a9db28b846339da0ca1cde9bf684e862
[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" "a4674fc1191528739c2d8ca9567cc2f2a9db28b846339da0ca1cde9bf684e862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a4674fc1191528739c2d8ca9567cc2f2a9db28b846339da0ca1cde9bf684e862", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a4674fc1191528739c2d8ca9567cc2f2a9db28b846339da0ca1cde9bf684e862", kill_on_drop: false }`
[INFO] [stdout] a4674fc1191528739c2d8ca9567cc2f2a9db28b846339da0ca1cde9bf684e862
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 221e020d2582707a10d05817e4be5d5502d774272a34c577e96e7ae4bb3b9c2a
[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" "221e020d2582707a10d05817e4be5d5502d774272a34c577e96e7ae4bb3b9c2a", kill_on_drop: false }`
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]     Checking ice-threads v0.1.0
[INFO] [stderr]     Checking byteorder v1.3.4
[INFO] [stderr]     Checking libc v0.2.80
[INFO] [stderr]     Checking num-traits v0.2.14
[INFO] [stderr]     Checking bitflags v1.2.1
[INFO] [stderr]     Checking inflate v0.4.5
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking deflate v0.7.20
[INFO] [stderr]     Checking num-integer v0.1.44
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking num-iter v0.1.42
[INFO] [stderr]     Checking png v0.14.1
[INFO] [stderr]     Checking raytracer v0.2.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.98s
[INFO] running `Command { std: "docker" "inspect" "221e020d2582707a10d05817e4be5d5502d774272a34c577e96e7ae4bb3b9c2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "221e020d2582707a10d05817e4be5d5502d774272a34c577e96e7ae4bb3b9c2a", kill_on_drop: false }`
[INFO] [stdout] 221e020d2582707a10d05817e4be5d5502d774272a34c577e96e7ae4bb3b9c2a