[INFO] fetching crate dotman 0.2.0...
[INFO] checking dotman-0.2.0 against try#07fecb9cf34c4979a772ba38c99d6d9144768413 for pr-87710
[INFO] extracting crate dotman 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate dotman 0.2.0 on toolchain 07fecb9cf34c4979a772ba38c99d6d9144768413
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-6/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" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded strum_macros v0.15.0
[INFO] [stderr]   Downloaded spin v0.5.0
[INFO] [stderr]   Downloaded same-file v1.0.4
[INFO] [stderr]   Downloaded strum v0.15.0
[INFO] [stderr]   Downloaded bstr v0.2.1
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded redox_users v0.3.0
[INFO] [stderr]   Downloaded cc v1.0.37
[INFO] [stderr]   Downloaded rand_chacha v0.2.0
[INFO] [stderr]   Downloaded arrayvec v0.4.10
[INFO] [stderr]   Downloaded constant_time_eq v0.1.3
[INFO] [stderr]   Downloaded globset v0.4.4
[INFO] [stderr]   Downloaded serde_derive v1.0.92
[INFO] [stderr]   Downloaded contracts v0.3.0
[INFO] [stderr]   Downloaded derive-getters v0.0.8
[INFO] [stderr]   Downloaded syn v0.15.36
[INFO] [stderr]   Downloaded argon2rs v0.2.5
[INFO] [stderr]   Downloaded backtrace v0.3.30
[INFO] [stderr]   Downloaded gethostname v0.2.0
[INFO] [stderr]   Downloaded wsl v0.1.0
[INFO] [stderr]   Downloaded yaml-rust v0.3.5
[INFO] [stderr]   Downloaded ctor v0.1.9
[INFO] [stderr]   Downloaded getrandom v0.1.6
[INFO] [stderr]   Downloaded rustc-demangle v0.1.15
[INFO] [stderr]   Downloaded quote v0.6.12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 905b6bdca940509bd0c68de518bb9afa725ccdbd781fb2f11b8f51acd4a6948d
[INFO] running `Command { std: "docker" "start" "-a" "905b6bdca940509bd0c68de518bb9afa725ccdbd781fb2f11b8f51acd4a6948d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "905b6bdca940509bd0c68de518bb9afa725ccdbd781fb2f11b8f51acd4a6948d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "905b6bdca940509bd0c68de518bb9afa725ccdbd781fb2f11b8f51acd4a6948d", kill_on_drop: false }`
[INFO] [stdout] 905b6bdca940509bd0c68de518bb9afa725ccdbd781fb2f11b8f51acd4a6948d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+07fecb9cf34c4979a772ba38c99d6d9144768413" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 826fb116057b418b7ed8fdd58ac849732f5820cba40f9ed20a3ff21f1d41ba31
[INFO] running `Command { std: "docker" "start" "-a" "826fb116057b418b7ed8fdd58ac849732f5820cba40f9ed20a3ff21f1d41ba31", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling spin v0.5.0
[INFO] [stderr]    Compiling ucd-util v0.1.3
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]    Compiling utf8-ranges v1.0.3
[INFO] [stderr]     Checking either v1.5.2
[INFO] [stderr]     Checking same-file v1.0.4
[INFO] [stderr]     Checking wsl v0.1.0
[INFO] [stderr]     Checking strum v0.15.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.30
[INFO] [stderr]    Compiling rand_chacha v0.2.0
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking getrandom v0.1.6
[INFO] [stderr]     Checking dirs-sys v0.3.4
[INFO] [stderr]     Checking bstr v0.2.1
[INFO] [stderr]     Checking gethostname v0.2.0
[INFO] [stderr]    Compiling regex-syntax v0.6.7
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking walkdir v2.2.9
[INFO] [stderr]     Checking pretty_assertions v0.6.1
[INFO] [stderr]     Checking itertools v0.8.0
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking regex v1.1.7
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling aho-corasick v0.7.3
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]     Checking globset v0.4.4
[INFO] [stderr]     Checking tempfile v3.1.0
[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 failure_derive v0.1.5
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling derive-getters v0.0.8
[INFO] [stderr]    Compiling contracts v0.3.0
[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 37.22s
[INFO] running `Command { std: "docker" "inspect" "826fb116057b418b7ed8fdd58ac849732f5820cba40f9ed20a3ff21f1d41ba31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "826fb116057b418b7ed8fdd58ac849732f5820cba40f9ed20a3ff21f1d41ba31", kill_on_drop: false }`
[INFO] [stdout] 826fb116057b418b7ed8fdd58ac849732f5820cba40f9ed20a3ff21f1d41ba31