[INFO] fetching crate atdir 0.0.1-wip...
[INFO] testing atdir-0.0.1-wip against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate atdir 0.0.1-wip into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate atdir 0.0.1-wip on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate atdir 0.0.1-wip
[INFO] finished tweaking crates.io crate atdir 0.0.1-wip
[INFO] tweaked toml for crates.io crate atdir 0.0.1-wip written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 644099d869fa6d722e1807da151c84431404ecc21ee4cfacfa29de16d37df213
[INFO] running `Command { std: "docker" "start" "-a" "644099d869fa6d722e1807da151c84431404ecc21ee4cfacfa29de16d37df213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "644099d869fa6d722e1807da151c84431404ecc21ee4cfacfa29de16d37df213", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "644099d869fa6d722e1807da151c84431404ecc21ee4cfacfa29de16d37df213", kill_on_drop: false }`
[INFO] [stdout] 644099d869fa6d722e1807da151c84431404ecc21ee4cfacfa29de16d37df213
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2d508c83641f17087992c7a1a61f9b9cf4e8cd4722f716842cd2883e2cf8ff9e
[INFO] running `Command { std: "docker" "start" "-a" "2d508c83641f17087992c7a1a61f9b9cf4e8cd4722f716842cd2883e2cf8ff9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.107
[INFO] [stderr]    Compiling uninit v0.4.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling cbuffer v0.2.0
[INFO] [stderr]    Compiling atdir v0.0.1-wip (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: no method named `rx_done` found for mutable reference `&'a mut (dyn RxBuffer + 'a)` in the current scope
[INFO] [stdout]    --> src/lib.rs:136:29
[INFO] [stdout]     |
[INFO] [stdout] 136 |                 _ => Ok(buf.rx_done(len as usize)),
[INFO] [stdout]     |                             ^^^^^^^ method not found in `&'a mut (dyn RxBuffer + 'a)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rx_done` found for mutable reference `&'a mut (dyn RxBuffer + 'a)` in the current scope
[INFO] [stdout]    --> src/lib.rs:180:26
[INFO] [stdout]     |
[INFO] [stdout] 180 |                 Ok(value.rx_done(len as usize))
[INFO] [stdout]     |                          ^^^^^^^ method not found in `&'a mut (dyn RxBuffer + 'a)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `rx_done` found for mutable reference `&'a mut (dyn RxBuffer + 'a)` in the current scope
[INFO] [stdout]    --> src/lib.rs:212:25
[INFO] [stdout]     |
[INFO] [stdout] 212 |                 Ok(list.rx_done(len as usize))
[INFO] [stdout]     |                         ^^^^^^^ method not found in `&'a mut (dyn RxBuffer + 'a)`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `atdir` due to 4 previous errors
[INFO] running `Command { std: "docker" "inspect" "2d508c83641f17087992c7a1a61f9b9cf4e8cd4722f716842cd2883e2cf8ff9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d508c83641f17087992c7a1a61f9b9cf4e8cd4722f716842cd2883e2cf8ff9e", kill_on_drop: false }`
[INFO] [stdout] 2d508c83641f17087992c7a1a61f9b9cf4e8cd4722f716842cd2883e2cf8ff9e