[INFO] fetching crate dotman 0.2.0...
[INFO] checking dotman-0.2.0 against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] extracting crate dotman 0.2.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dotman 0.2.0 on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dotman 0.2.0
[INFO] finished tweaking crates.io crate dotman 0.2.0
[INFO] tweaked toml for crates.io crate dotman 0.2.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate dotman 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded winapi-util v0.1.2
[INFO] [stderr]   Downloaded lazy_static v1.3.0
[INFO] [stderr]   Downloaded autocfg v0.1.4
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded derive_more v0.15.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.3
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded ucd-util v0.1.3
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded ctor v0.1.9
[INFO] [stderr]   Downloaded atty v0.2.11
[INFO] [stderr]   Downloaded memchr v2.2.0
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded rand_core v0.5.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.3.0
[INFO] [stderr]   Downloaded walkdir v2.2.9
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded scoped_threadpool v0.1.9
[INFO] [stderr]   Downloaded aho-corasick v0.7.3
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded libc v0.2.58
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded wsl v0.1.0
[INFO] [stderr]   Downloaded winapi v0.3.7
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded unicode-width v0.1.5
[INFO] [stderr]   Downloaded rand_core v0.4.0
[INFO] [stderr]   Downloaded regex v1.1.7
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] [stderr]   Downloaded contracts v0.3.0
[INFO] [stderr]   Downloaded serde_yaml v0.8.9
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded redox_syscall v0.1.54
[INFO] [stderr]   Downloaded gethostname v0.2.0
[INFO] [stderr]   Downloaded log v0.4.6
[INFO] [stderr]   Downloaded redox_termios v0.1.1
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.5
[INFO] [stderr]   Downloaded c2-chacha v0.2.2
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded numtoa v0.1.0
[INFO] [stderr]   Downloaded either v1.5.2
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded derive-getters v0.0.8
[INFO] [stderr]   Downloaded termion v1.5.3
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded rand v0.7.0
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded regex-syntax v0.6.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "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] 1b2ca796078e59ceee083946c534aabdd3b0cca5a9865fcc400138f8c3112837
[INFO] running `Command { std: "docker" "start" "-a" "1b2ca796078e59ceee083946c534aabdd3b0cca5a9865fcc400138f8c3112837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1b2ca796078e59ceee083946c534aabdd3b0cca5a9865fcc400138f8c3112837", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1b2ca796078e59ceee083946c534aabdd3b0cca5a9865fcc400138f8c3112837", kill_on_drop: false }`
[INFO] [stdout] 1b2ca796078e59ceee083946c534aabdd3b0cca5a9865fcc400138f8c3112837
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1589e3085c209dd472be1e28c9aa1b3c2065efa1ff1e4ac2e4ec83e82ce20e0c
[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" "1589e3085c209dd472be1e28c9aa1b3c2065efa1ff1e4ac2e4ec83e82ce20e0c", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.58
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]     Checking spin v0.5.0
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling cc v1.0.37
[INFO] [stderr]    Compiling regex v1.1.7
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]     Checking linked-hash-map v0.5.2
[INFO] [stderr]     Checking yaml-rust v0.3.5
[INFO] [stderr]     Checking utf8-ranges v1.0.3
[INFO] [stderr]     Checking rustc-demangle v0.1.15
[INFO] [stderr]     Checking ppv-lite86 v0.2.5
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking wsl v0.1.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.7
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking yaml-rust v0.4.3
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking aho-corasick v0.7.3
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking gethostname v0.2.0
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.92
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling derive-getters v0.0.8
[INFO] [stderr]    Compiling contracts v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking structopt v0.2.18
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]     Checking dotman v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]  --> tests/test.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |     let dir = common::setup();
[INFO] [stdout]   |         ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 35s
[INFO] running `Command { std: "docker" "inspect" "1589e3085c209dd472be1e28c9aa1b3c2065efa1ff1e4ac2e4ec83e82ce20e0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1589e3085c209dd472be1e28c9aa1b3c2065efa1ff1e4ac2e4ec83e82ce20e0c", kill_on_drop: false }`
[INFO] [stdout] 1589e3085c209dd472be1e28c9aa1b3c2065efa1ff1e4ac2e4ec83e82ce20e0c