[INFO] fetching crate hyperfs 2.1.0...
[INFO] checking hyperfs-2.1.0 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate hyperfs 2.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hyperfs 2.1.0 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 hyperfs 2.1.0
[INFO] finished tweaking crates.io crate hyperfs 2.1.0
[INFO] tweaked toml for crates.io crate hyperfs 2.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hyperfs 2.1.0 already has a lockfile, it will not be regenerated
[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 http-body v0.3.0
[INFO] [stderr]   Downloaded pin-project-lite v0.1.1
[INFO] [stderr]   Downloaded hyper v0.13.0
[INFO] [stderr]   Downloaded tokio v0.2.4
[INFO] [stderr]   Downloaded pin-project-internal v0.4.6
[INFO] [stderr]   Downloaded tokio-macros v0.2.0
[INFO] [stderr]   Downloaded bytes v0.5.3
[INFO] [stderr]   Downloaded pin-project v0.4.6
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97b6f5df6d26d1b7d1c45759b5d857d224b74ace3d0667c7acc3a4965dca4d5f
[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" "97b6f5df6d26d1b7d1c45759b5d857d224b74ace3d0667c7acc3a4965dca4d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97b6f5df6d26d1b7d1c45759b5d857d224b74ace3d0667c7acc3a4965dca4d5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97b6f5df6d26d1b7d1c45759b5d857d224b74ace3d0667c7acc3a4965dca4d5f", kill_on_drop: false }`
[INFO] [stdout] 97b6f5df6d26d1b7d1c45759b5d857d224b74ace3d0667c7acc3a4965dca4d5f
[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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32ecf19089f606fe4a045c52cdf7214ee4b0cbe8048531824273434541f488c2
[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" "32ecf19089f606fe4a045c52cdf7214ee4b0cbe8048531824273434541f488c2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]     Checking futures-sink v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking http-body v0.3.0
[INFO] [stderr]    Compiling tokio-macros v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking hyper v0.13.0
[INFO] [stderr]     Checking hyperfs v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.83s
[INFO] running `Command { std: "docker" "inspect" "32ecf19089f606fe4a045c52cdf7214ee4b0cbe8048531824273434541f488c2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32ecf19089f606fe4a045c52cdf7214ee4b0cbe8048531824273434541f488c2", kill_on_drop: false }`
[INFO] [stdout] 32ecf19089f606fe4a045c52cdf7214ee4b0cbe8048531824273434541f488c2