[INFO] crate r2pipe 0.4.0 is already in cache
[INFO] testing r2pipe-0.4.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate r2pipe 0.4.0 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate r2pipe 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 r2pipe 0.4.0
[INFO] finished tweaking crates.io crate r2pipe 0.4.0
[INFO] tweaked toml for crates.io crate r2pipe 0.4.0 written to work/builds/worker-3/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-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 460e7aa64587a32328083fbdbcbeb003345d514a6fbc7766a1dc047cf7b61b31
[INFO] running `"docker" "start" "-a" "460e7aa64587a32328083fbdbcbeb003345d514a6fbc7766a1dc047cf7b61b31"`
[INFO] [stderr]    Compiling r2pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `"docker" "inspect" "460e7aa64587a32328083fbdbcbeb003345d514a6fbc7766a1dc047cf7b61b31"`
[INFO] running `"docker" "rm" "-f" "460e7aa64587a32328083fbdbcbeb003345d514a6fbc7766a1dc047cf7b61b31"`
[INFO] [stdout] 460e7aa64587a32328083fbdbcbeb003345d514a6fbc7766a1dc047cf7b61b31
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] 955cedef7e004e8910e84f17edce2640708e01704c9e657e3f6850b260be507c
[INFO] running `"docker" "start" "-a" "955cedef7e004e8910e84f17edce2640708e01704c9e657e3f6850b260be507c"`
[INFO] [stderr]    Compiling r2pipe v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/quit.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use]
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate r2pipe;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::process`
[INFO] [stderr]  --> examples/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::process;
[INFO] [stderr]   |     ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/async.rs:17:18
[INFO] [stderr]    |
[INFO] [stderr] 17 |     cbs: Vec<Arc<Fn(String)>>,
[INFO] [stderr]    |                  ^^^^^^^^^^ help: use `dyn`: `dyn Fn(String)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> examples/async.rs:33:54
[INFO] [stderr]    |
[INFO] [stderr] 33 |     pub fn cmd(&mut self, str: &'static str, cb: Arc<Fn(String)>) {
[INFO] [stderr]    |                                                      ^^^^^^^^^^ help: use `dyn`: `dyn Fn(String)`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `#[macro_use]` import
[INFO] [stderr]  --> examples/r2_example.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[macro_use] extern crate r2pipe;
[INFO] [stderr]   | ^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `"docker" "inspect" "955cedef7e004e8910e84f17edce2640708e01704c9e657e3f6850b260be507c"`
[INFO] running `"docker" "rm" "-f" "955cedef7e004e8910e84f17edce2640708e01704c9e657e3f6850b260be507c"`
[INFO] [stdout] 955cedef7e004e8910e84f17edce2640708e01704c9e657e3f6850b260be507c
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-3/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] ad3d492c0245d18646fd4cfbd2ba4baaba8eff5b00cdd2e7fa94c0b2b08e8256
[INFO] running `"docker" "start" "-a" "ad3d492c0245d18646fd4cfbd2ba4baaba8eff5b00cdd2e7fa94c0b2b08e8256"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/r2pipe-8dd2d2649ca6e4c8
[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 r2pipe
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 31) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "ad3d492c0245d18646fd4cfbd2ba4baaba8eff5b00cdd2e7fa94c0b2b08e8256"`
[INFO] running `"docker" "rm" "-f" "ad3d492c0245d18646fd4cfbd2ba4baaba8eff5b00cdd2e7fa94c0b2b08e8256"`
[INFO] [stdout] ad3d492c0245d18646fd4cfbd2ba4baaba8eff5b00cdd2e7fa94c0b2b08e8256