[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 beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwoodsmur%2Ftide_tutorial" "/workspace/builds/worker-91/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-91/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/woodsmur/tide_tutorial on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-91/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/rust-net-web/tide`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ena v0.10.1
[INFO] [stderr]   Downloaded slog v2.4.1
[INFO] [stderr]   Downloaded bit-set v0.5.0
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] [stderr]   Downloaded ascii-canvas v1.0.0
[INFO] [stderr]   Downloaded chunked_transfer v0.3.1
[INFO] [stderr]   Downloaded modifier v0.1.0
[INFO] [stderr]   Downloaded multipart v0.15.4
[INFO] [stderr]   Downloaded string_cache v0.7.3
[INFO] [stderr]   Downloaded serde_qs v0.4.1
[INFO] [stderr]   Downloaded slog-term v2.4.0
[INFO] [stderr]   Downloaded smallvec v0.6.6
[INFO] [stderr]   Downloaded lalrpop v0.16.2
[INFO] [stderr]   Downloaded regex-syntax v0.6.3
[INFO] [stderr]   Downloaded plugin v0.2.6
[INFO] [stderr]   Downloaded bit-vec v0.5.0
[INFO] [stderr]   Downloaded nickel v0.10.2
[INFO] [stderr]   Downloaded regex v1.0.6
[INFO] [stderr]   Downloaded hyper v0.10.15
[INFO] [stderr]   Downloaded lalrpop-util v0.16.2
[INFO] [stderr]   Downloaded docopt v1.0.2
[INFO] [stderr]   Downloaded futures-io-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded basic-cookies v0.1.2
[INFO] [stderr]   Downloaded futures-util-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded pin-utils v0.1.0-alpha.3
[INFO] [stderr]   Downloaded futures-executor-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded futures-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded futures-core-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded tokio-async-await v0.1.4
[INFO] [stderr]   Downloaded iron v0.6.0
[INFO] [stderr]   Downloaded data-encoding v2.1.1
[INFO] [stderr]   Downloaded futures-sink-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded mime_guess v1.8.6
[INFO] [stderr]   Downloaded buf_redux v0.8.1
[INFO] [stderr]   Downloaded futures-channel-preview v0.3.0-alpha.10
[INFO] [stderr]   Downloaded groupable v0.2.0
[INFO] [stderr]   Downloaded mustache v0.8.2
[INFO] [stderr]   Downloaded ascii v0.8.7
[INFO] [stderr]   Downloaded isatty v0.1.9
[INFO] [stderr]   Downloaded tiny_http v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b6ff02a5697d2bc17b57729298c3b1a0802ad236cc39ef8f132067df69f9bfd3
[INFO] running `Command { std: "docker" "start" "-a" "b6ff02a5697d2bc17b57729298c3b1a0802ad236cc39ef8f132067df69f9bfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b6ff02a5697d2bc17b57729298c3b1a0802ad236cc39ef8f132067df69f9bfd3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b6ff02a5697d2bc17b57729298c3b1a0802ad236cc39ef8f132067df69f9bfd3", kill_on_drop: false }`
[INFO] [stdout] b6ff02a5697d2bc17b57729298c3b1a0802ad236cc39ef8f132067df69f9bfd3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e227a98806e572d900ba0a92367572ee427e3468e44c7570ad6e2df272627c91
[INFO] running `Command { std: "docker" "start" "-a" "e227a98806e572d900ba0a92367572ee427e3468e44c7570ad6e2df272627c91", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling futures v0.1.25
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[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 ucd-util v0.1.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling lazycell v1.2.0
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.7
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling httparse v1.3.3
[INFO] [stderr]    Compiling string_cache_shared v0.3.0
[INFO] [stderr]    Compiling byte-tools v0.3.0
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling safemem v0.3.0
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling slog v2.4.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling bit-vec v0.5.0
[INFO] [stderr]    Compiling opaque-debug v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling ordermap v0.3.5
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.3
[INFO] [stderr]    Compiling lalrpop-util v0.16.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling string v0.1.2
[INFO] [stderr]    Compiling indexmap v1.0.2
[INFO] [stderr]    Compiling safemem v0.2.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling itoa v0.3.4
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling data-encoding v2.1.1
[INFO] [stderr]    Compiling path_table v0.0.0 (https://github.com/rust-net-web/tide#e1f5c324)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling crossbeam-utils v0.6.1
[INFO] [stderr]    Compiling owning_ref v0.4.0
[INFO] [stderr]    Compiling smallvec v0.6.6
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.23
[INFO] [stderr]    Compiling regex-syntax v0.6.3
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/pin-utils-0.1.0-alpha.3/src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | #![feature(pin)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling arrayvec v0.4.8
[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 beta release channel
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-0.1.25/src/lib.rs:161:34
[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" "e227a98806e572d900ba0a92367572ee427e3468e44c7570ad6e2df272627c91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e227a98806e572d900ba0a92367572ee427e3468e44c7570ad6e2df272627c91", kill_on_drop: false }`
[INFO] [stdout] e227a98806e572d900ba0a92367572ee427e3468e44c7570ad6e2df272627c91
