[INFO] fetching crate subs 0.2.0...
[INFO] checking subs-0.2.0 against try#b2f80f6008cdafc35b4472bd46afa16cc6b0cd63 for pr-79470
[INFO] extracting crate subs 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate subs 0.2.0 on toolchain b2f80f6008cdafc35b4472bd46afa16cc6b0cd63
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subs 0.2.0
[INFO] finished tweaking crates.io crate subs 0.2.0
[INFO] tweaked toml for crates.io crate subs 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate subs 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded mio-extras v2.0.5
[INFO] [stderr]   Downloaded filetime v0.2.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded iovec v0.1.2
[INFO] [stderr]   Downloaded inotify v0.6.1
[INFO] [stderr]   Downloaded mio v0.6.19
[INFO] [stderr]   Downloaded notify v4.0.12
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded getopts v0.2.19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd427823b320acf4e9b9a5f0a29a56c3f6b9fb2c1b6cffaa03d40e700dd5fc2f
[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" "fd427823b320acf4e9b9a5f0a29a56c3f6b9fb2c1b6cffaa03d40e700dd5fc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd427823b320acf4e9b9a5f0a29a56c3f6b9fb2c1b6cffaa03d40e700dd5fc2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd427823b320acf4e9b9a5f0a29a56c3f6b9fb2c1b6cffaa03d40e700dd5fc2f", kill_on_drop: false }`
[INFO] [stdout] fd427823b320acf4e9b9a5f0a29a56c3f6b9fb2c1b6cffaa03d40e700dd5fc2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+b2f80f6008cdafc35b4472bd46afa16cc6b0cd63" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f78cc2338ded396593839f0ce9fbd3524cbdd940fdde51b4a8b468f7537c0e9b
[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" "f78cc2338ded396593839f0ce9fbd3524cbdd940fdde51b4a8b468f7537c0e9b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]     Checking lazycell v1.2.1
[INFO] [stderr]     Checking lazy_static v1.3.0
[INFO] [stderr]     Checking same-file v1.0.5
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking regex-syntax v0.6.11
[INFO] [stderr]     Checking getopts v0.2.19
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking inotify-sys v0.1.3
[INFO] [stderr]     Checking filetime v0.2.5
[INFO] [stderr]     Checking inotify v0.6.1
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking mio-extras v2.0.5
[INFO] [stderr]     Checking notify v4.0.12
[INFO] [stderr]     Checking regex v1.2.1
[INFO] [stderr]     Checking subs v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.63s
[INFO] running `Command { std: "docker" "inspect" "f78cc2338ded396593839f0ce9fbd3524cbdd940fdde51b4a8b468f7537c0e9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f78cc2338ded396593839f0ce9fbd3524cbdd940fdde51b4a8b468f7537c0e9b", kill_on_drop: false }`
[INFO] [stdout] f78cc2338ded396593839f0ce9fbd3524cbdd940fdde51b4a8b468f7537c0e9b