[INFO] cloning repository https://github.com/Corecii/Project1999-Updater
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Corecii/Project1999-Updater" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorecii%2FProject1999-Updater", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorecii%2FProject1999-Updater'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 60f99f36aef234df17a076851b36e3403de5df01
[INFO] testing Corecii/Project1999-Updater against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCorecii%2FProject1999-Updater" "/workspace/builds/worker-69/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-69/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Corecii/Project1999-Updater on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Corecii/Project1999-Updater
[INFO] finished tweaking git repo https://github.com/Corecii/Project1999-Updater
[INFO] tweaked toml for git repo https://github.com/Corecii/Project1999-Updater written to /workspace/builds/worker-69/source/Cargo.toml
[INFO] crate git repo https://github.com/Corecii/Project1999-Updater already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "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 ...
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[INFO] [stderr]   Downloaded pin-project-internal v0.4.0-alpha.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4d1b03e4e45576045f5742f741da39211fd2b042147cd8934a74510529e1c35f
[INFO] running `Command { std: "docker" "start" "-a" "4d1b03e4e45576045f5742f741da39211fd2b042147cd8934a74510529e1c35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4d1b03e4e45576045f5742f741da39211fd2b042147cd8934a74510529e1c35f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4d1b03e4e45576045f5742f741da39211fd2b042147cd8934a74510529e1c35f", kill_on_drop: false }`
[INFO] [stdout] 4d1b03e4e45576045f5742f741da39211fd2b042147cd8934a74510529e1c35f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-69/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e34f88797ff921add2b8a9f01a559cd249158a3d6d050dcc03808a81e6bddcdd
[INFO] running `Command { std: "docker" "start" "-a" "e34f88797ff921add2b8a9f01a559cd249158a3d6d050dcc03808a81e6bddcdd", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling proc-macro2 v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
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[INFO] [stderr]    Compiling spin v0.5.2
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling semver-parser v0.7.0
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[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
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[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling rand_core v0.3.1
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[INFO] [stderr]    Compiling rand_jitter v0.1.4
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[INFO] [stderr]    Compiling semver v0.9.0
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[INFO] [stderr]    Compiling bzip2-sys v0.1.7
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[INFO] [stderr]    Compiling rand_xorshift v0.1.1
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[INFO] [stderr]    Compiling flate2 v1.0.12
[INFO] [stderr]    Compiling rustc_version v0.2.3
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[INFO] [stderr]    Compiling rand_core v0.5.1
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[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
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[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling string_cache_codegen v0.4.4
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.10
[INFO] [stderr]    Compiling serde_derive v1.0.101
[INFO] [stderr]    Compiling tracing-attributes v0.1.4
[INFO] [stderr]    Compiling tokio-macros v0.2.0-alpha.5
[INFO] [stderr]    Compiling string_cache v0.7.4
[INFO] [stderr]    Compiling http-body v0.2.0-alpha.1
[INFO] [stderr]    Compiling tracing v0.1.9
[INFO] [stderr]    Compiling pin-project v0.4.0-alpha.11
[INFO] [stderr]    Compiling tokio-io v0.2.0-alpha.5
[INFO] [stderr]    Compiling tokio-codec v0.2.0-alpha.5
[INFO] [stderr]    Compiling tower-make v0.3.0-alpha.2
[INFO] [stderr]    Compiling tokio-tls v0.3.0-alpha.5
[INFO] [stderr]    Compiling futures-select-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling futures-join-macro-preview v0.3.0-alpha.18
[INFO] [stderr]    Compiling html5ever v0.23.0
[INFO] [stderr]    Compiling futures-util-preview v0.3.0-alpha.18
[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/futures-util-preview-0.3.0-alpha.18/src/lib.rs:4:38
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "async-await", feature(async_await))]
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]   |
[INFO] [stdout]   = help: the feature `async_await` has been stable since 1.39.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `futures-util-preview` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "e34f88797ff921add2b8a9f01a559cd249158a3d6d050dcc03808a81e6bddcdd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e34f88797ff921add2b8a9f01a559cd249158a3d6d050dcc03808a81e6bddcdd", kill_on_drop: false }`
[INFO] [stdout] e34f88797ff921add2b8a9f01a559cd249158a3d6d050dcc03808a81e6bddcdd