[INFO] crate circbuf 0.1.4 is already in cache
[INFO] testing circbuf-0.1.4 against 1.38.0 for beta-1.39-1
[INFO] extracting crate circbuf 0.1.4 into work/builds/worker-3/source
[INFO] validating manifest of crates.io crate circbuf 0.1.4 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 circbuf 0.1.4
[INFO] finished tweaking crates.io crate circbuf 0.1.4
[INFO] tweaked toml for crates.io crate circbuf 0.1.4 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] 39952021d4e5f6b20db83d702c1ebf4a8a4a56ae2517dec55500ef18451bf418
[INFO] running `"docker" "start" "-a" "39952021d4e5f6b20db83d702c1ebf4a8a4a56ae2517dec55500ef18451bf418"`
[INFO] [stderr]    Compiling circbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.40s
[INFO] running `"docker" "inspect" "39952021d4e5f6b20db83d702c1ebf4a8a4a56ae2517dec55500ef18451bf418"`
[INFO] running `"docker" "rm" "-f" "39952021d4e5f6b20db83d702c1ebf4a8a4a56ae2517dec55500ef18451bf418"`
[INFO] [stdout] 39952021d4e5f6b20db83d702c1ebf4a8a4a56ae2517dec55500ef18451bf418
[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] f92c3675a2649b5884c96081f60aa7c1f9653f5f3f04fe508cc1026bd60536e8
[INFO] running `"docker" "start" "-a" "f92c3675a2649b5884c96081f60aa7c1f9653f5f3f04fe508cc1026bd60536e8"`
[INFO] [stderr]    Compiling vecio v0.1.0
[INFO] [stderr]    Compiling circbuf v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/lib.rs:160:32
[INFO] [stderr]     |
[INFO] [stderr] 160 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stderr]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `"docker" "inspect" "f92c3675a2649b5884c96081f60aa7c1f9653f5f3f04fe508cc1026bd60536e8"`
[INFO] running `"docker" "rm" "-f" "f92c3675a2649b5884c96081f60aa7c1f9653f5f3f04fe508cc1026bd60536e8"`
[INFO] [stdout] f92c3675a2649b5884c96081f60aa7c1f9653f5f3f04fe508cc1026bd60536e8
[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] 64144b99543493ae0b26eae7202216d79151b1261e1e5c4bf1a1b198ba6a753e
[INFO] running `"docker" "start" "-a" "64144b99543493ae0b26eae7202216d79151b1261e1e5c4bf1a1b198ba6a753e"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/circbuf-030efb7abda9df4e
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test tests::create_circbuf_with_capacity ... ok
[INFO] [stdout] test tests::create_circbuf ... ok
[INFO] [stdout] test tests::find_bytes ... ok
[INFO] [stdout] test tests::grow_buffer ... ok
[INFO] [stdout] test tests::put_peek_and_get_bytes ... ok
[INFO] [stdout] test tests::get_bytes_and_avail ... ok
[INFO] [stdout] test tests::read_and_write_bytes ... ok
[INFO] [stdout] test tests::vecio ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests circbuf
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 35) ... 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" "64144b99543493ae0b26eae7202216d79151b1261e1e5c4bf1a1b198ba6a753e"`
[INFO] running `"docker" "rm" "-f" "64144b99543493ae0b26eae7202216d79151b1261e1e5c4bf1a1b198ba6a753e"`
[INFO] [stdout] 64144b99543493ae0b26eae7202216d79151b1261e1e5c4bf1a1b198ba6a753e