[INFO] fetching crate shellac-server 0.3.1...
[INFO] checking shellac-server-0.3.1 against master#7b3a7819371cef92a187e9bac8f7810ccde15216 for pr-74846
[INFO] extracting crate shellac-server 0.3.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate shellac-server 0.3.1 on toolchain 7b3a7819371cef92a187e9bac8f7810ccde15216
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shellac-server 0.3.1
[INFO] finished tweaking crates.io crate shellac-server 0.3.1
[INFO] tweaked toml for crates.io crate shellac-server 0.3.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate shellac-server 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceaa362c434bc1ad02458118d95f9173f42ced3e3434b1a3261144f10c5f01ae
[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" "ceaa362c434bc1ad02458118d95f9173f42ced3e3434b1a3261144f10c5f01ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceaa362c434bc1ad02458118d95f9173f42ced3e3434b1a3261144f10c5f01ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceaa362c434bc1ad02458118d95f9173f42ced3e3434b1a3261144f10c5f01ae", kill_on_drop: false }`
[INFO] [stdout] ceaa362c434bc1ad02458118d95f9173f42ced3e3434b1a3261144f10c5f01ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+7b3a7819371cef92a187e9bac8f7810ccde15216" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5d0d720448d5161a7bcb15e1c03f20c0e318cf334bf437e0ad8d9a85ab6d02e2
[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" "5d0d720448d5161a7bcb15e1c03f20c0e318cf334bf437e0ad8d9a85ab6d02e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling capnp v0.10.3
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking hashbrown v0.5.0
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking lru v0.1.17
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]    Compiling capnpc v0.10.1
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]    Compiling shellac-codec v0.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking serde v1.0.99
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking shellac-server v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "5d0d720448d5161a7bcb15e1c03f20c0e318cf334bf437e0ad8d9a85ab6d02e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d0d720448d5161a7bcb15e1c03f20c0e318cf334bf437e0ad8d9a85ab6d02e2", kill_on_drop: false }`
[INFO] [stdout] 5d0d720448d5161a7bcb15e1c03f20c0e318cf334bf437e0ad8d9a85ab6d02e2