[INFO] cloning repository https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ubnt-intrepid/finchers-graphql-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7f65e5d0af3a079cb74e479766d3f6c40b4bf90c
[INFO] testing ubnt-intrepid/finchers-graphql-example against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fubnt-intrepid%2Ffinchers-graphql-example" "/workspace/builds/worker-76/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-76/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ubnt-intrepid/finchers-graphql-example on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] finished tweaking git repo https://github.com/ubnt-intrepid/finchers-graphql-example
[INFO] tweaked toml for git repo https://github.com/ubnt-intrepid/finchers-graphql-example written to /workspace/builds/worker-76/source/Cargo.toml
[INFO] crate git repo https://github.com/ubnt-intrepid/finchers-graphql-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-udp v0.1.2
[INFO] [stderr]   Downloaded tokio-fs v0.1.3
[INFO] [stderr]   Downloaded byteorder v1.2.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.19
[INFO] [stderr]   Downloaded serde v1.0.78
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.4
[INFO] [stderr]   Downloaded tokio-timer v0.2.6
[INFO] [stderr]   Downloaded serde_json v1.0.27
[INFO] [stderr]   Downloaded h2 v0.1.12
[INFO] [stderr]   Downloaded bcrypt v0.2.0
[INFO] [stderr]   Downloaded block-cipher-trait v0.5.3
[INFO] [stderr]   Downloaded tokio-reactor v0.1.5
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded termcolor v1.0.3
[INFO] [stderr]   Downloaded tokio-tcp v0.1.1
[INFO] [stderr]   Downloaded serde_derive v1.0.78
[INFO] [stderr]   Downloaded opaque-debug v0.1.1
[INFO] [stderr]   Downloaded phf_codegen v0.7.23
[INFO] [stderr]   Downloaded serde_qs v0.4.1
[INFO] [stderr]   Downloaded blowfish v0.3.0
[INFO] [stderr]   Downloaded syn v0.15.3
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded tokio-uds v0.2.1
[INFO] [stderr]   Downloaded tokio-threadpool v0.1.6
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.2
[INFO] [stderr]   Downloaded jsonwebtoken v5.0.0
[INFO] [stderr]   Downloaded tokio-current-thread v0.1.1
[INFO] [stderr]   Downloaded futures v0.1.24
[INFO] [stderr]   Downloaded tokio-io v0.1.8
[INFO] [stderr]   Downloaded crossbeam-deque v0.6.1
[INFO] [stderr]   Downloaded tokio-executor v0.1.4
[INFO] [stderr]   Downloaded hyperx v0.13.1
[INFO] [stderr]   Downloaded hyper v0.12.9
[INFO] [stderr]   Downloaded mime v0.3.9
[INFO] [stderr]   Downloaded http v0.1.12
[INFO] [stderr]   Downloaded cc v1.0.24
[INFO] [stderr]   Downloaded ryu v0.2.6
[INFO] [stderr]   Downloaded juniper v0.10.0
[INFO] [stderr]   Downloaded phf_generator v0.7.23
[INFO] [stderr]   Downloaded juniper_codegen v0.10.0
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded finchers-juniper v0.1.0-alpha.3
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded tokio v0.1.8
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded finchers v0.12.0-alpha.5
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded bytes v0.4.10
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.6
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8df5dc98ae28f8aa5c2157a00ab9521ba4309abd214aa10ddaab2b5b01ff93b1
[INFO] running `Command { std: "docker" "start" "-a" "8df5dc98ae28f8aa5c2157a00ab9521ba4309abd214aa10ddaab2b5b01ff93b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8df5dc98ae28f8aa5c2157a00ab9521ba4309abd214aa10ddaab2b5b01ff93b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8df5dc98ae28f8aa5c2157a00ab9521ba4309abd214aa10ddaab2b5b01ff93b1", kill_on_drop: false }`
[INFO] [stdout] 8df5dc98ae28f8aa5c2157a00ab9521ba4309abd214aa10ddaab2b5b01ff93b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-76/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0a79d4f5acacd95571e558f752415cd59198d6c680037621f3589e4278f3cde9
[INFO] running `Command { std: "docker" "start" "-a" "0a79d4f5acacd95571e558f752415cd59198d6c680037621f3589e4278f3cde9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling version_check v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.19
[INFO] [stderr]    Compiling futures v0.1.24
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling cc v1.0.24
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling crossbeam-utils v0.5.0
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling serde v1.0.78
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling lazycell v1.0.0
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling regex v1.0.5
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling ucd-util v0.1.1
[INFO] [stderr]    Compiling utf8-ranges v1.0.1
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling percent-encoding v1.0.1
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling httparse v1.3.2
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling string v0.1.1
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling antidote v1.0.0
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling pq-sys v0.4.6
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling untrusted v0.6.2
[INFO] [stderr]    Compiling opaque-debug v0.1.1
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling termcolor v1.0.3
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-utils-0.1.0-alpha.2/src/lib.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin)]
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-utils` due to 2 previous errors
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "0a79d4f5acacd95571e558f752415cd59198d6c680037621f3589e4278f3cde9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a79d4f5acacd95571e558f752415cd59198d6c680037621f3589e4278f3cde9", kill_on_drop: false }`
[INFO] [stdout] 0a79d4f5acacd95571e558f752415cd59198d6c680037621f3589e4278f3cde9