[INFO] cloning repository https://github.com/croyzor/cursivecat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/croyzor/cursivecat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcroyzor%2Fcursivecat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcroyzor%2Fcursivecat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8046ab1b216a327f6ecd8a1067732736fbf01103
[INFO] checking croyzor/cursivecat against try#39e1293fce4b650061e85dda88aa428f726a8444 for pr-88041
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcroyzor%2Fcursivecat" "/workspace/builds/worker-41/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-41/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/croyzor/cursivecat on toolchain 39e1293fce4b650061e85dda88aa428f726a8444
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/croyzor/cursivecat
[INFO] finished tweaking git repo https://github.com/croyzor/cursivecat
[INFO] tweaked toml for git repo https://github.com/croyzor/cursivecat written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] crate git repo https://github.com/croyzor/cursivecat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+39e1293fce4b650061e85dda88aa428f726a8444" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56d17c5f4024548bf93b1606bc90ce2860a076f2b2d68c5546d62426098b5f14
[INFO] running `Command { std: "docker" "start" "-a" "56d17c5f4024548bf93b1606bc90ce2860a076f2b2d68c5546d62426098b5f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56d17c5f4024548bf93b1606bc90ce2860a076f2b2d68c5546d62426098b5f14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56d17c5f4024548bf93b1606bc90ce2860a076f2b2d68c5546d62426098b5f14", kill_on_drop: false }`
[INFO] [stdout] 56d17c5f4024548bf93b1606bc90ce2860a076f2b2d68c5546d62426098b5f14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "+39e1293fce4b650061e85dda88aa428f726a8444" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9d2b9e9d30378a1e2be00a433d80fc648bd4b79b3a473dde844528a9aa397b6
[INFO] running `Command { std: "docker" "start" "-a" "c9d2b9e9d30378a1e2be00a433d80fc648bd4b79b3a473dde844528a9aa397b6", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.43
[INFO] [stderr]     Checking cfg-if v0.1.5
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking futures v0.1.25
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking rand_core v0.3.0
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking slab v0.4.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking lazycell v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling num-complex v0.2.1
[INFO] [stderr]    Compiling openssl v0.10.12
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling native-tls v0.2.1
[INFO] [stderr]     Checking string v0.1.1
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking array-macro v1.0.2
[INFO] [stderr]     Checking reexport-proc-macro v1.0.5
[INFO] [stderr]     Checking arc-swap v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.2.1
[INFO] [stderr]     Checking enumset v0.3.10
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking xi-unicode v0.1.0
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking owning_ref v0.3.3
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking rand_core v0.2.2
[INFO] [stderr]     Checking smallvec v0.6.5
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking log v0.4.5
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand v0.5.5
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.40
[INFO] [stderr]     Checking signal-hook v0.1.5
[INFO] [stderr]     Checking term_size v0.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.36
[INFO] [stderr]    Compiling ncurses v5.94.0
[INFO] [stderr]     Checking bytes v0.4.10
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]     Checking mio v0.6.16
[INFO] [stderr]     Checking tokio-executor v0.1.5
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking want v0.0.6
[INFO] [stderr]     Checking crossbeam-deque v0.6.1
[INFO] [stderr]     Checking tokio-timer v0.2.7
[INFO] [stderr]     Checking tokio-current-thread v0.1.3
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.10
[INFO] [stderr]     Checking tokio-io v0.1.9
[INFO] [stderr]     Checking http v0.1.13
[INFO] [stderr]     Checking tokio-threadpool v0.1.7
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-fs v0.1.3
[INFO] [stderr]     Checking num v0.2.0
[INFO] [stderr]     Checking tokio-reactor v0.1.6
[INFO] [stderr]     Checking crossbeam-channel v0.2.6
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-uds v0.2.2
[INFO] [stderr]     Checking tokio-udp v0.1.2
[INFO] [stderr]     Checking tokio v0.1.11
[INFO] [stderr]     Checking toml v0.4.8
[INFO] [stderr]     Checking serde_json v1.0.32
[INFO] [stderr]     Checking h2 v0.1.12
[INFO] [stderr]    Compiling enum-map-derive v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]     Checking enum-map v0.4.1
[INFO] [stderr]     Checking cursive v0.9.1
[INFO] [stderr]     Checking hyper v0.12.11
[INFO] [stderr]     Checking hyper-tls v0.3.1
[INFO] [stderr]     Checking qcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut question = Question {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:103:13
[INFO] [stdout]     |
[INFO] [stdout] 103 |         let mut question = Question {
[INFO] [stdout]     |             ----^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.72s
[INFO] running `Command { std: "docker" "inspect" "c9d2b9e9d30378a1e2be00a433d80fc648bd4b79b3a473dde844528a9aa397b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9d2b9e9d30378a1e2be00a433d80fc648bd4b79b3a473dde844528a9aa397b6", kill_on_drop: false }`
[INFO] [stdout] c9d2b9e9d30378a1e2be00a433d80fc648bd4b79b3a473dde844528a9aa397b6