[INFO] cloning repository https://github.com/woodsmur/tide_tutorial
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/woodsmur/tide_tutorial" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 704149e7bfa6b523f02ebdc5a59ced24346352bf
[INFO] testing woodsmur/tide_tutorial against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodsmur/tide_tutorial 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/woodsmur/tide_tutorial
[INFO] finished tweaking git repo https://github.com/woodsmur/tide_tutorial
[INFO] tweaked toml for git repo https://github.com/woodsmur/tide_tutorial written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/woodsmur/tide_tutorial 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] d0cb74d23d8a403832040a6ce638b143e2364d6f79b1320ce11fead1f4c8226a
[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" "d0cb74d23d8a403832040a6ce638b143e2364d6f79b1320ce11fead1f4c8226a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0cb74d23d8a403832040a6ce638b143e2364d6f79b1320ce11fead1f4c8226a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0cb74d23d8a403832040a6ce638b143e2364d6f79b1320ce11fead1f4c8226a", kill_on_drop: false }`
[INFO] [stdout] d0cb74d23d8a403832040a6ce638b143e2364d6f79b1320ce11fead1f4c8226a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 166ac3a44a9f5644dbb3446245078958b95e7d331bcab80aaae2cffc4c75ad94
[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" "166ac3a44a9f5644dbb3446245078958b95e7d331bcab80aaae2cffc4c75ad94", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling regex v1.0.6
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling lalrpop-util v0.16.2
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.3
[INFO] [stderr]    Compiling string v0.1.2
[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.3/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] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `pin-utils` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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-0.1.25/src/lib.rs:161:42
[INFO] [stdout]     |
[INFO] [stdout] 161 | #![cfg_attr(feature = "nightly", feature(pin))]
[INFO] [stdout]     |                                          ^^^
[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: build failed
[INFO] running `Command { std: "docker" "inspect" "166ac3a44a9f5644dbb3446245078958b95e7d331bcab80aaae2cffc4c75ad94", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "166ac3a44a9f5644dbb3446245078958b95e7d331bcab80aaae2cffc4c75ad94", kill_on_drop: false }`
[INFO] [stdout] 166ac3a44a9f5644dbb3446245078958b95e7d331bcab80aaae2cffc4c75ad94