[INFO] updating cached repository https://github.com/ryota-ka/rust-yo-slack-adapter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5fa6ea88e8a684d18082e94c04bc5c3556de788c
[INFO] testing ryota-ka/rust-yo-slack-adapter against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fryota-ka%2Frust-yo-slack-adapter" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ryota-ka/rust-yo-slack-adapter on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ryota-ka/rust-yo-slack-adapter
[INFO] finished tweaking git repo https://github.com/ryota-ka/rust-yo-slack-adapter
[INFO] tweaked toml for git repo https://github.com/ryota-ka/rust-yo-slack-adapter written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/ryota-ka/rust-yo-slack-adapter already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] error: the lock file /workspace/builds/worker-2/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[INFO] the lockfile is outdated, regenerating it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" "+beta-2020-07-24" "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" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2bca93816132e1c97f03437cc6021de19e2bc62073f56936a55b730fa675a10
[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" "c2bca93816132e1c97f03437cc6021de19e2bc62073f56936a55b730fa675a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2bca93816132e1c97f03437cc6021de19e2bc62073f56936a55b730fa675a10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2bca93816132e1c97f03437cc6021de19e2bc62073f56936a55b730fa675a10", kill_on_drop: false }`
[INFO] [stdout] c2bca93816132e1c97f03437cc6021de19e2bc62073f56936a55b730fa675a10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4cf661a19f5aa2af39de20dd8c1b3af625acca0993f9d8f8acd4cf13f521042c
[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" "4cf661a19f5aa2af39de20dd8c1b3af625acca0993f9d8f8acd4cf13f521042c", kill_on_drop: false }`
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.34
[INFO] [stderr]    Compiling socket2 v0.3.12
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling futures-util v0.3.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling mio v0.6.22
[INFO] [stderr]    Compiling mime_guess v1.8.8
[INFO] [stderr]    Compiling tokio v0.2.22
[INFO] [stderr]    Compiling iron v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling h2 v0.2.6
[INFO] [stderr]    Compiling hyper v0.13.7
[INFO] [stderr]    Compiling rust-yo-slack-adapter v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: extern crate `percent_encoding` is private, and cannot be re-exported (error E0365), consider declaring with `pub`
[INFO] [stdout]  --> src/yo/query.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use self::url::percent_encoding;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(pub_use_of_private_extern_crate)]` on by default
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #34537 <https://github.com/rust-lang/rust/issues/34537>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/yo/query.rs:72:60
[INFO] [stdout]    |
[INFO] [stdout] 72 |         let decoded_query_string = match String::from_utf8(decoded_query_bytes) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `percent_encoding::PercentDecode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]               found struct `percent_encoding::PercentDecode<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/yo/query.rs:85:49
[INFO] [stdout]    |
[INFO] [stdout] 85 |                         match String::from_utf8(decoded_url_bytes) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^ expected struct `std::vec::Vec`, found struct `percent_encoding::PercentDecode`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected struct `std::vec::Vec<u8>`
[INFO] [stdout]               found struct `percent_encoding::PercentDecode<'_>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-yo-slack-adapter`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4cf661a19f5aa2af39de20dd8c1b3af625acca0993f9d8f8acd4cf13f521042c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4cf661a19f5aa2af39de20dd8c1b3af625acca0993f9d8f8acd4cf13f521042c", kill_on_drop: false }`
[INFO] [stdout] 4cf661a19f5aa2af39de20dd8c1b3af625acca0993f9d8f8acd4cf13f521042c