[INFO] cloning repository https://github.com/forgerpl/webcrawl
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/forgerpl/webcrawl" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforgerpl%2Fwebcrawl", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforgerpl%2Fwebcrawl'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29fd7499dd3bc8789b9dbc9b2f039fc704e67db7
[INFO] testing forgerpl/webcrawl against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fforgerpl%2Fwebcrawl" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/forgerpl/webcrawl on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/forgerpl/webcrawl
[INFO] removed workspace from git repo https://github.com/forgerpl/webcrawl
[INFO] removed path dependency crawler from git repo https://github.com/forgerpl/webcrawl
[INFO] finished tweaking git repo https://github.com/forgerpl/webcrawl
[INFO] tweaked toml for git repo https://github.com/forgerpl/webcrawl written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/forgerpl/webcrawl already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (crawler) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr] error: the lock file /workspace/builds/worker-7/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (crawler) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "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] 16d2ae2b874bf8e00d25665addaad8e13dc23b9fd02f4481d3f9938f5900dbc7
[INFO] running `Command { std: "docker" "start" "-a" "16d2ae2b874bf8e00d25665addaad8e13dc23b9fd02f4481d3f9938f5900dbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d2ae2b874bf8e00d25665addaad8e13dc23b9fd02f4481d3f9938f5900dbc7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d2ae2b874bf8e00d25665addaad8e13dc23b9fd02f4481d3f9938f5900dbc7", kill_on_drop: false }`
[INFO] [stdout] 16d2ae2b874bf8e00d25665addaad8e13dc23b9fd02f4481d3f9938f5900dbc7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", 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] 7f42b9f1e91e69d9a8bf94ea22baddb090ee27be43d3b9756424af3c8d2c8a72
[INFO] running `Command { std: "docker" "start" "-a" "7f42b9f1e91e69d9a8bf94ea22baddb090ee27be43d3b9756424af3c8d2c8a72", kill_on_drop: false }`
[INFO] [stderr] warning: dependency (crawler) specified without providing a local path, Git repository, or version to use. This will be considered an error in future versions
[INFO] [stderr]    Compiling futures v0.1.30
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling crawler v0.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling hyper v0.12.35
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling env_logger v0.6.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling crossbeam-deque v0.7.3
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling tokio-executor v0.1.10
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling tokio-sync v0.1.8
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling futures-cpupool v0.1.8
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.18
[INFO] [stderr]    Compiling tokio-timer v0.2.13
[INFO] [stderr]    Compiling tokio-current-thread v0.1.7
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde_json v1.0.61
[INFO] [stderr]    Compiling hashbrown v0.4.0
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling webcrawl v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved imports `crawler::prelude`, `serde_json`, `env_logger`
[INFO] [stdout]   --> src/main.rs:65:14
[INFO] [stdout]    |
[INFO] [stdout] 65 | use crawler::prelude::*;
[INFO] [stdout]    |              ^^^^^^^ could not find `prelude` in `crawler`
[INFO] [stdout] ...
[INFO] [stdout] 75 | use serde_json;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 | use env_logger;
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `Crawler`
[INFO] [stdout]    --> src/main.rs:106:23
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let crawler = Crawler::new(url, fetch, |base, html| parse(base, html, parse_url)).unwrap();
[INFO] [stdout]     |                       ^^^^^^^ use of undeclared type `Crawler`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0412]: cannot find type `Urls` in this scope
[INFO] [stdout]    --> src/main.rs:95:14
[INFO] [stdout]     |
[INFO] [stdout] 95  |     Finished(Urls),
[INFO] [stdout]     |              ^^^^ help: a struct with a similar name exists: `Url`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.7.2/src/lib.rs:154:1
[INFO] [stdout]     |
[INFO] [stdout] 154 | pub struct Url {
[INFO] [stdout]     | -------------- similarly named struct `Url` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `fetch` in this scope
[INFO] [stdout]    --> src/main.rs:106:41
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let crawler = Crawler::new(url, fetch, |base, html| parse(base, html, parse_url)).unwrap();
[INFO] [stdout]     |                                         ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 62  | use crate::stream::channel::mpsc::thread::thread::env::sys::weak::fetch;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `parse` in this scope
[INFO] [stdout]    --> src/main.rs:106:61
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let crawler = Crawler::new(url, fetch, |base, html| parse(base, html, parse_url)).unwrap();
[INFO] [stdout]     |                                                             ^^^^^ not found in this scope
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]     |
[INFO] [stdout] 62  | use url::form_urlencoded::parse;
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find value `parse_url` in this scope
[INFO] [stdout]    --> src/main.rs:106:79
[INFO] [stdout]     |
[INFO] [stdout] 106 |         let crawler = Crawler::new(url, fetch, |base, html| parse(base, html, parse_url)).unwrap();
[INFO] [stdout]     |                                                                               ^^^^^^^^^ not found in this scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:145:16
[INFO] [stdout]     |
[INFO] [stdout] 145 |         -> Box<Future<Item=Response<Body>, Error=hyper::Error> + Send> {
[INFO] [stdout]     |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Future<Item=Response<Body>, Error=hyper::Error> + Send`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 6 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0412, E0425, E0432, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0412`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webcrawl`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "7f42b9f1e91e69d9a8bf94ea22baddb090ee27be43d3b9756424af3c8d2c8a72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f42b9f1e91e69d9a8bf94ea22baddb090ee27be43d3b9756424af3c8d2c8a72", kill_on_drop: false }`
[INFO] [stdout] 7f42b9f1e91e69d9a8bf94ea22baddb090ee27be43d3b9756424af3c8d2c8a72