[INFO] cloning repository https://github.com/diegorubin/FunWithFailures
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/diegorubin/FunWithFailures" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegorubin%2FFunWithFailures", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegorubin%2FFunWithFailures'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d94f4f70f774e1f2cbc9cd6f3e0634ba85799cf3
[INFO] checking diegorubin/FunWithFailures against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdiegorubin%2FFunWithFailures" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/diegorubin/FunWithFailures 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 git repo https://github.com/diegorubin/FunWithFailures
[INFO] finished tweaking git repo https://github.com/diegorubin/FunWithFailures
[INFO] tweaked toml for git repo https://github.com/diegorubin/FunWithFailures written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/diegorubin/FunWithFailures 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 serde-value v0.5.3
[INFO] [stderr]   Downloaded flate2 v1.0.11
[INFO] [stderr]   Downloaded rand v0.7.1
[INFO] [stderr]   Downloaded serde_derive v1.0.100
[INFO] [stderr]   Downloaded indexmap v1.2.0
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded encoding_rs v0.8.19
[INFO] [stderr]   Downloaded reqwest v0.9.20
[INFO] [stderr]   Downloaded serde v1.0.100
[INFO] [stderr]   Downloaded proc-macro2 v1.0.3
[INFO] [stderr]   Downloaded telegram-bot v0.6.3
[INFO] [stderr]   Downloaded telegram-bot-raw v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 94818a6766a6e71d03ed726781f4ef45e15049cb48cc25f956e85c9d05e23fbb
[INFO] running `Command { std: "docker" "start" "-a" "94818a6766a6e71d03ed726781f4ef45e15049cb48cc25f956e85c9d05e23fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94818a6766a6e71d03ed726781f4ef45e15049cb48cc25f956e85c9d05e23fbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94818a6766a6e71d03ed726781f4ef45e15049cb48cc25f956e85c9d05e23fbb", kill_on_drop: false }`
[INFO] [stdout] 94818a6766a6e71d03ed726781f4ef45e15049cb48cc25f956e85c9d05e23fbb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 07e8b7fbe4ae0c45486f470d704722b105d0ce17639ab9c4b7babd46c77fe8f3
[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" "07e8b7fbe4ae0c45486f470d704722b105d0ce17639ab9c4b7babd46c77fe8f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking smallvec v0.6.10
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking nodrop v0.1.13
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling serde v1.0.100
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling bitflags v1.1.0
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling openssl v0.10.24
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]     Checking scoped-tls v0.1.2
[INFO] [stderr]     Checking dtoa v0.4.4
[INFO] [stderr]    Compiling num-traits v0.2.8
[INFO] [stderr]     Checking try_from v0.3.2
[INFO] [stderr]    Compiling unicase v2.5.1
[INFO] [stderr]    Compiling error-chain v0.12.1
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]     Checking owning_ref v0.4.0
[INFO] [stderr]     Checking miniz_oxide v0.3.2
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking tokio-sync v0.1.6
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]     Checking unicode-normalization v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]     Checking crc32fast v1.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]     Checking rand_pcg v0.1.2
[INFO] [stderr]     Checking lock_api v0.1.5
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking tokio-current-thread v0.1.6
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]     Checking crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking base64 v0.10.1
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking num_cpus v1.10.1
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking backtrace-sys v0.1.31
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking flate2 v1.0.11
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.37
[INFO] [stderr]     Checking crossbeam-deque v0.7.1
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]     Checking mio v0.6.19
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking ordered-float v1.0.2
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking http v0.1.18
[INFO] [stderr]     Checking tokio-buf v0.1.1
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking tokio-threadpool v0.1.15
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking publicsuffix v1.5.3
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-reactor v0.1.9
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.100
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking http-body v0.1.0
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]     Checking failure v0.1.5
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking serde_json v1.0.40
[INFO] [stderr]     Checking serde-value v0.5.3
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking telegram-bot-raw v0.6.3
[INFO] [stderr]     Checking reqwest v0.9.20
[INFO] [stderr]     Checking telegram-bot v0.6.3
[INFO] [stderr]     Checking funwithfailures v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `Command { std: "docker" "inspect" "07e8b7fbe4ae0c45486f470d704722b105d0ce17639ab9c4b7babd46c77fe8f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07e8b7fbe4ae0c45486f470d704722b105d0ce17639ab9c4b7babd46c77fe8f3", kill_on_drop: false }`
[INFO] [stdout] 07e8b7fbe4ae0c45486f470d704722b105d0ce17639ab9c4b7babd46c77fe8f3