[INFO] fetching crate stack-sizes 0.4.0...
[INFO] checking stack-sizes-0.4.0 against master#3aedcf06b73fc36feeebca3d579e1d2a6c40acc5 for pr-65819
[INFO] extracting crate stack-sizes 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate stack-sizes 0.4.0 on toolchain 3aedcf06b73fc36feeebca3d579e1d2a6c40acc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stack-sizes 0.4.0
[INFO] finished tweaking crates.io crate stack-sizes 0.4.0
[INFO] tweaked toml for crates.io crate stack-sizes 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "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] 6986382c57431fbdd9be072cd6111f8a91b25ed79517a0a8599442049d2fbc98
[INFO] running `Command { std: "docker" "start" "-a" "6986382c57431fbdd9be072cd6111f8a91b25ed79517a0a8599442049d2fbc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6986382c57431fbdd9be072cd6111f8a91b25ed79517a0a8599442049d2fbc98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6986382c57431fbdd9be072cd6111f8a91b25ed79517a0a8599442049d2fbc98", kill_on_drop: false }`
[INFO] [stdout] 6986382c57431fbdd9be072cd6111f8a91b25ed79517a0a8599442049d2fbc98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+3aedcf06b73fc36feeebca3d579e1d2a6c40acc5" "check" "--frozen" "--all" "--all-targets" "--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] b98ca4950448e6393c650e72aa8683abd489685b9a5b856bf722972533d5327d
[INFO] running `Command { std: "docker" "start" "-a" "b98ca4950448e6393c650e72aa8683abd489685b9a5b856bf722972533d5327d", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking zero v0.1.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking backtrace v0.3.56
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking cargo-project v0.2.4
[INFO] [stderr]     Checking stack-sizes v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.73s
[INFO] running `Command { std: "docker" "inspect" "b98ca4950448e6393c650e72aa8683abd489685b9a5b856bf722972533d5327d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98ca4950448e6393c650e72aa8683abd489685b9a5b856bf722972533d5327d", kill_on_drop: false }`
[INFO] [stdout] b98ca4950448e6393c650e72aa8683abd489685b9a5b856bf722972533d5327d