[INFO] crate slog-async 2.3.0 is already in cache
[INFO] testing slog-async-2.3.0 against 1.38.0 for beta-1.39-1
[INFO] extracting crate slog-async 2.3.0 into work/builds/worker-5/source
[INFO] validating manifest of crates.io crate slog-async 2.3.0 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 slog-async 2.3.0
[INFO] finished tweaking crates.io crate slog-async 2.3.0
[INFO] tweaked toml for crates.io crate slog-async 2.3.0 written to work/builds/worker-5/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-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] 7a71b3b3ba891058922d46f0d3aa79beed4aa864b24a3bfa4fc714eb6d0bde4f
[INFO] running `"docker" "start" "-a" "7a71b3b3ba891058922d46f0d3aa79beed4aa864b24a3bfa4fc714eb6d0bde4f"`
[INFO] [stderr]    Compiling slog-async v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     kv: Box<KV + Send>,
[INFO] [stderr]    |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[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]   --> lib.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn finish(self) -> Box<KV + Send> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:184:15
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Fatal(Box<std::error::Error>),
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:371:34
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let _err: Result<(), Box<std::error::Error>> = {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |     kv: Box<KV + Send>,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let _err: Result<(), Box<std::error::Error>> = {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `"docker" "inspect" "7a71b3b3ba891058922d46f0d3aa79beed4aa864b24a3bfa4fc714eb6d0bde4f"`
[INFO] running `"docker" "rm" "-f" "7a71b3b3ba891058922d46f0d3aa79beed4aa864b24a3bfa4fc714eb6d0bde4f"`
[INFO] [stdout] 7a71b3b3ba891058922d46f0d3aa79beed4aa864b24a3bfa4fc714eb6d0bde4f
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] aa9934e17ab703f4a2f5ef15c4b63ac842546ff4dbaefaa851bba06737af68a6
[INFO] running `"docker" "start" "-a" "aa9934e17ab703f4a2f5ef15c4b63ac842546ff4dbaefaa851bba06737af68a6"`
[INFO] [stderr]    Compiling slog-async v2.3.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> lib.rs:73:13
[INFO] [stderr]    |
[INFO] [stderr] 73 |     kv: Box<KV + Send>,
[INFO] [stderr]    |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[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]   --> lib.rs:81:28
[INFO] [stderr]    |
[INFO] [stderr] 81 |     fn finish(self) -> Box<KV + Send> {
[INFO] [stderr]    |                            ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:184:15
[INFO] [stderr]     |
[INFO] [stderr] 184 |     Fatal(Box<std::error::Error>),
[INFO] [stderr]     |               ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:371:34
[INFO] [stderr]     |
[INFO] [stderr] 371 |         let _err: Result<(), Box<std::error::Error>> = {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:479:13
[INFO] [stderr]     |
[INFO] [stderr] 479 |     kv: Box<KV + Send>,
[INFO] [stderr]     |             ^^^^^^^^^ help: use `dyn`: `dyn KV + Send`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> lib.rs:489:34
[INFO] [stderr]     |
[INFO] [stderr] 489 |         let _err: Result<(), Box<std::error::Error>> = {
[INFO] [stderr]     |                                  ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.38s
[INFO] running `"docker" "inspect" "aa9934e17ab703f4a2f5ef15c4b63ac842546ff4dbaefaa851bba06737af68a6"`
[INFO] running `"docker" "rm" "-f" "aa9934e17ab703f4a2f5ef15c4b63ac842546ff4dbaefaa851bba06737af68a6"`
[INFO] [stdout] aa9934e17ab703f4a2f5ef15c4b63ac842546ff4dbaefaa851bba06737af68a6
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-5/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] c8b9e265cc6cd8de1159a873769e20cf73868562782d00ab33ab89c24469d6d2
[INFO] running `"docker" "start" "-a" "c8b9e265cc6cd8de1159a873769e20cf73868562782d00ab33ab89c24469d6d2"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/slog_async-991fcf78e4648fd8
[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 slog-async
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test lib.rs -  (line 30) ... 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" "c8b9e265cc6cd8de1159a873769e20cf73868562782d00ab33ab89c24469d6d2"`
[INFO] running `"docker" "rm" "-f" "c8b9e265cc6cd8de1159a873769e20cf73868562782d00ab33ab89c24469d6d2"`
[INFO] [stdout] c8b9e265cc6cd8de1159a873769e20cf73868562782d00ab33ab89c24469d6d2