[INFO] updating cached repository https://github.com/Nabeatsu/ryuki
[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] a1ad9cb92b6802d1d85474941a310b9dd3ee9359
[INFO] testing Nabeatsu/ryuki against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNabeatsu%2Fryuki" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Nabeatsu/ryuki on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/Nabeatsu/ryuki
[INFO] finished tweaking git repo https://github.com/Nabeatsu/ryuki
[INFO] tweaked toml for git repo https://github.com/Nabeatsu/ryuki written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/Nabeatsu/ryuki already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.45.2" "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] 3beed572143254baa7e4aa6c2b4c060cd7eb79e54a18bfd384adca6ce153f4d9
[INFO] running `Command { std: "docker" "start" "-a" "3beed572143254baa7e4aa6c2b4c060cd7eb79e54a18bfd384adca6ce153f4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3beed572143254baa7e4aa6c2b4c060cd7eb79e54a18bfd384adca6ce153f4d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3beed572143254baa7e4aa6c2b4c060cd7eb79e54a18bfd384adca6ce153f4d9", kill_on_drop: false }`
[INFO] [stdout] 3beed572143254baa7e4aa6c2b4c060cd7eb79e54a18bfd384adca6ce153f4d9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5ee14049310a6432559807527fbe36123f12eb0fafef74b74e7811ec4b9181f1
[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" "5ee14049310a6432559807527fbe36123f12eb0fafef74b74e7811ec4b9181f1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling bytes v0.5.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling futures-core v0.3.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling pin-project-lite v0.1.4
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling futures-sink v0.3.4
[INFO] [stderr]    Compiling smallvec v1.2.0
[INFO] [stderr]    Compiling futures-task v0.3.4
[INFO] [stderr]    Compiling serde v1.0.105
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling openssl-probe v0.1.2
[INFO] [stderr]    Compiling try-lock v0.2.2
[INFO] [stderr]    Compiling tower-service v0.3.0
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling dtoa v0.4.5
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling base64 v0.11.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling futures-channel v0.3.4
[INFO] [stderr]    Compiling futures-util v0.3.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling http v0.2.1
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling net2 v0.2.33
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling mio v0.6.21
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling tokio v0.2.13
[INFO] [stderr]    Compiling http-body v0.3.1
[INFO] [stderr]    Compiling tokio-util v0.2.0
[INFO] [stderr]    Compiling h2 v0.2.3
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.50
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling ryuki v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rustc_serialize`
[INFO] [stdout]  --> src/lib.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use rustc_serialize;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `read_to_string` found for opaque type `impl std::future::Future` in the current scope
[INFO] [stdout]   --> src/lib.rs:27:18
[INFO] [stdout]    |
[INFO] [stdout] 27 |         response.read_to_string(&mut buf).expect("Failed to read response");
[INFO] [stdout]    |                  ^^^^^^^^^^^^^^ method not found in `impl std::future::Future`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::io::Read`
[INFO] [stdout]  --> src/lib.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `ryuki`.
[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" "5ee14049310a6432559807527fbe36123f12eb0fafef74b74e7811ec4b9181f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee14049310a6432559807527fbe36123f12eb0fafef74b74e7811ec4b9181f1", kill_on_drop: false }`
[INFO] [stdout] 5ee14049310a6432559807527fbe36123f12eb0fafef74b74e7811ec4b9181f1