[INFO] fetching crate generic-vec 0.1.2...
[INFO] checking generic-vec-0.1.2 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate generic-vec 0.1.2 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate generic-vec 0.1.2 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate generic-vec 0.1.2
[INFO] finished tweaking crates.io crate generic-vec 0.1.2
[INFO] tweaked toml for crates.io crate generic-vec 0.1.2 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "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" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mockalloc v0.1.2
[INFO] [stderr]   Downloaded mockalloc-macros v0.1.0
[INFO] [stderr]   Downloaded alloc-traits v0.1.1
[INFO] [stderr]   Downloaded static-alloc v0.2.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8651e5ece300f7c3592ca8e5ea771ab7ab16373750c59efb16ef8a1d05fe1c64
[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" "8651e5ece300f7c3592ca8e5ea771ab7ab16373750c59efb16ef8a1d05fe1c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8651e5ece300f7c3592ca8e5ea771ab7ab16373750c59efb16ef8a1d05fe1c64", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8651e5ece300f7c3592ca8e5ea771ab7ab16373750c59efb16ef8a1d05fe1c64", kill_on_drop: false }`
[INFO] [stdout] 8651e5ece300f7c3592ca8e5ea771ab7ab16373750c59efb16ef8a1d05fe1c64
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5c146a1821c424cf22010803538e34961054e5d00ef9f198622d34103fe4d4d2
[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" "5c146a1821c424cf22010803538e34961054e5d00ef9f198622d34103fe4d4d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking alloc-traits v0.1.1
[INFO] [stderr]     Checking generic-vec v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking static-alloc v0.2.1
[INFO] [stderr]    Compiling mockalloc-macros v0.1.0
[INFO] [stderr]     Checking mockalloc v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.12s
[INFO] running `Command { std: "docker" "inspect" "5c146a1821c424cf22010803538e34961054e5d00ef9f198622d34103fe4d4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5c146a1821c424cf22010803538e34961054e5d00ef9f198622d34103fe4d4d2", kill_on_drop: false }`
[INFO] [stdout] 5c146a1821c424cf22010803538e34961054e5d00ef9f198622d34103fe4d4d2