[INFO] crate tokio-imap 0.4.0 is already in cache
[INFO] testing tokio-imap-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate tokio-imap 0.4.0 into work/builds/worker-11/source
[INFO] validating manifest of crates.io crate tokio-imap 0.4.0 on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate tokio-imap 0.4.0
[INFO] finished tweaking crates.io crate tokio-imap 0.4.0
[INFO] tweaked toml for crates.io crate tokio-imap 0.4.0 written to work/builds/worker-11/source/Cargo.toml
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 31c1737e0c91f66bd0147617453f7b2044e213add1dd14f388cdbd584f399951
[INFO] running `"docker" "start" "-a" "31c1737e0c91f66bd0147617453f7b2044e213add1dd14f388cdbd584f399951"`
[INFO] [stderr]    Compiling futures-state-stream v0.1.1
[INFO] [stderr]    Compiling imap-proto v0.6.0
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling tokio-imap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/mod.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |             Some(mut transport) => transport,
[INFO] [stderr]     |                  ----^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.59s
[INFO] running `"docker" "inspect" "31c1737e0c91f66bd0147617453f7b2044e213add1dd14f388cdbd584f399951"`
[INFO] running `"docker" "rm" "-f" "31c1737e0c91f66bd0147617453f7b2044e213add1dd14f388cdbd584f399951"`
[INFO] [stdout] 31c1737e0c91f66bd0147617453f7b2044e213add1dd14f388cdbd584f399951
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4f5e18e96def34023304a7288a7a477bd2ee48b007f921b678b2a4894b621a49
[INFO] running `"docker" "start" "-a" "4f5e18e96def34023304a7288a7a477bd2ee48b007f921b678b2a4894b621a49"`
[INFO] [stderr]    Compiling tokio-imap v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/basic.rs:95:32
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]    |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/client/mod.rs:133:18
[INFO] [stderr]     |
[INFO] [stderr] 133 |             Some(mut transport) => transport,
[INFO] [stderr]     |                  ----^^^^^^^^^
[INFO] [stderr]     |                  |
[INFO] [stderr]     |                  help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.29s
[INFO] running `"docker" "inspect" "4f5e18e96def34023304a7288a7a477bd2ee48b007f921b678b2a4894b621a49"`
[INFO] running `"docker" "rm" "-f" "4f5e18e96def34023304a7288a7a477bd2ee48b007f921b678b2a4894b621a49"`
[INFO] [stdout] 4f5e18e96def34023304a7288a7a477bd2ee48b007f921b678b2a4894b621a49
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-11/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "test" "--frozen"`
[INFO] [stdout] 15209af3fc6a1bdec3414e746b3bf177138196735332dccb350e6f2abe148a2f
[INFO] running `"docker" "start" "-a" "15209af3fc6a1bdec3414e746b3bf177138196735332dccb350e6f2abe148a2f"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/tokio_imap-a663350a7ed98c36
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests tokio-imap
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "15209af3fc6a1bdec3414e746b3bf177138196735332dccb350e6f2abe148a2f"`
[INFO] running `"docker" "rm" "-f" "15209af3fc6a1bdec3414e746b3bf177138196735332dccb350e6f2abe148a2f"`
[INFO] [stdout] 15209af3fc6a1bdec3414e746b3bf177138196735332dccb350e6f2abe148a2f