[INFO] fetching crate dir-lock 0.3.0...
[INFO] checking dir-lock-0.3.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate dir-lock 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dir-lock 0.3.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dir-lock 0.3.0
[INFO] finished tweaking crates.io crate dir-lock 0.3.0
[INFO] tweaked toml for crates.io crate dir-lock 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5108a05831ef0c3e4b45fb9a76fc21f6055bc999c3de754e9f64e4c8d4cb42ba
[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" "5108a05831ef0c3e4b45fb9a76fc21f6055bc999c3de754e9f64e4c8d4cb42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5108a05831ef0c3e4b45fb9a76fc21f6055bc999c3de754e9f64e4c8d4cb42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5108a05831ef0c3e4b45fb9a76fc21f6055bc999c3de754e9f64e4c8d4cb42ba", kill_on_drop: false }`
[INFO] [stdout] 5108a05831ef0c3e4b45fb9a76fc21f6055bc999c3de754e9f64e4c8d4cb42ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e148ea2a6f3af5ec752ce9fc45c162cbab2f12bba425a8396f8c910bffa828ec
[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" "e148ea2a6f3af5ec752ce9fc45c162cbab2f12bba425a8396f8c910bffa828ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling libc v0.2.93
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling nix v0.17.0
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]     Checking futures-core v0.3.14
[INFO] [stderr]    Compiling heim-common v0.0.11
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking futures-task v0.3.14
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling heim-host v0.0.11
[INFO] [stderr]     Checking hex v0.4.0
[INFO] [stderr]     Checking macaddr v1.0.1
[INFO] [stderr]     Checking platforms v0.2.1
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking futures-channel v0.3.14
[INFO] [stderr]    Compiling raw-cpuid v7.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]    Compiling tokio v1.5.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.69
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking threadpool v1.8.1
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]    Compiling futures-macro v0.3.14
[INFO] [stderr]    Compiling derive_more v0.99.13
[INFO] [stderr]     Checking futures-util v0.3.14
[INFO] [stderr]     Checking heim-runtime v0.0.7
[INFO] [stderr]     Checking heim-net v0.0.11
[INFO] [stderr]     Checking heim-cpu v0.0.11
[INFO] [stderr]     Checking heim-disk v0.0.11
[INFO] [stderr]     Checking heim-virt v0.0.11
[INFO] [stderr]     Checking heim-sensors v0.0.6
[INFO] [stderr]     Checking heim-memory v0.0.11
[INFO] [stderr]     Checking heim-process v0.0.11
[INFO] [stderr]     Checking heim v0.0.11
[INFO] [stderr]     Checking dir-lock v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `Command { std: "docker" "inspect" "e148ea2a6f3af5ec752ce9fc45c162cbab2f12bba425a8396f8c910bffa828ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e148ea2a6f3af5ec752ce9fc45c162cbab2f12bba425a8396f8c910bffa828ec", kill_on_drop: false }`
[INFO] [stdout] e148ea2a6f3af5ec752ce9fc45c162cbab2f12bba425a8396f8c910bffa828ec