[INFO] crate silkroad 0.0.4 is already in cache
[INFO] extracting crate silkroad 0.0.4 into work/ex/beta-1.38-1/sources/1.37.0/reg/silkroad/0.0.4
[INFO] extracting crate silkroad 0.0.4 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/silkroad/0.0.4
[INFO] validating manifest of silkroad-0.0.4 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of silkroad-0.0.4 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing silkroad-0.0.4
[INFO] finished frobbing silkroad-0.0.4
[INFO] frobbed toml for silkroad-0.0.4 written to work/ex/beta-1.38-1/sources/1.37.0/reg/silkroad/0.0.4/Cargo.toml
[INFO] started frobbing silkroad-0.0.4
[INFO] finished frobbing silkroad-0.0.4
[INFO] frobbed toml for silkroad-0.0.4 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/silkroad/0.0.4/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing silkroad-0.0.4 against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/silkroad/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 3d750f2ce70e6acf09c8fcd361391871ced5bc0fb815437b10e63c1c5ebabb14
[INFO] running `"docker" "start" "-a" "3d750f2ce70e6acf09c8fcd361391871ced5bc0fb815437b10e63c1c5ebabb14"`
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling spin v0.5.1
[INFO] [stderr]    Compiling copyless v0.1.4
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]    Compiling ring v0.14.6
[INFO] [stderr]    Compiling actix-service v0.4.1
[INFO] [stderr]    Compiling threadpool v1.7.1
[INFO] [stderr]    Compiling flate2 v1.0.11
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]    Compiling actix-web-codegen v0.1.2
[INFO] [stderr]    Compiling slog_derive v0.1.1
[INFO] [stderr]    Compiling derive_more v0.15.0
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling publicsuffix v1.5.2
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling hex-serde v0.1.0
[INFO] [stderr]    Compiling tokio-io v0.1.12
[INFO] [stderr]    Compiling mio v0.6.19
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling want v0.2.0
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling git2 v0.9.2
[INFO] [stderr]    Compiling slog-scope v4.1.2
[INFO] [stderr]    Compiling slog-async v2.3.0
[INFO] [stderr]    Compiling slog-term v2.4.1
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling tokio-codec v0.1.1
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling slog-stdlog v3.0.5
[INFO] [stderr]    Compiling actix-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling mio-uds v0.6.7
[INFO] [stderr]    Compiling sct v0.5.0
[INFO] [stderr]    Compiling webpki v0.19.1
[INFO] [stderr]    Compiling actix-utils v0.4.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio-signal v0.2.7
[INFO] [stderr]    Compiling rustls v0.15.2
[INFO] [stderr]    Compiling webpki-roots v0.16.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling trust-dns-proto v0.7.4
[INFO] [stderr]    Compiling actix-threadpool v0.1.2
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling actix-rt v0.2.4
[INFO] [stderr]    Compiling trust-dns-resolver v0.11.1
[INFO] [stderr]    Compiling tokio-rustls v0.9.3
[INFO] [stderr]    Compiling actix-server-config v0.1.2
[INFO] [stderr]    Compiling actix-server v0.6.0
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling actix-connect v0.2.3
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr]    Compiling actix-http v0.2.9
[INFO] [stderr]    Compiling awc v0.2.4
[INFO] [stderr]    Compiling actix-web v1.0.5
[INFO] [stderr]    Compiling actix-files v0.1.4
[INFO] [stderr]    Compiling silkroad v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn timestamp_local_ymdhms(io: &mut std::io::Write) -> std::io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 19s
[INFO] running `"docker" "inspect" "3d750f2ce70e6acf09c8fcd361391871ced5bc0fb815437b10e63c1c5ebabb14"`
[INFO] running `"docker" "rm" "-f" "3d750f2ce70e6acf09c8fcd361391871ced5bc0fb815437b10e63c1c5ebabb14"`
[INFO] [stdout] 3d750f2ce70e6acf09c8fcd361391871ced5bc0fb815437b10e63c1c5ebabb14
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/silkroad/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 570c301e3fadb7f9862d869860e1cbb38b46fa28145e2a63d93e8e3505a2a80e
[INFO] running `"docker" "start" "-a" "570c301e3fadb7f9862d869860e1cbb38b46fa28145e2a63d93e8e3505a2a80e"`
[INFO] [stderr]    Compiling silkroad v0.0.4 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/logger.rs:38:36
[INFO] [stderr]    |
[INFO] [stderr] 38 | fn timestamp_local_ymdhms(io: &mut std::io::Write) -> std::io::Result<()> {
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.99s
[INFO] running `"docker" "inspect" "570c301e3fadb7f9862d869860e1cbb38b46fa28145e2a63d93e8e3505a2a80e"`
[INFO] running `"docker" "rm" "-f" "570c301e3fadb7f9862d869860e1cbb38b46fa28145e2a63d93e8e3505a2a80e"`
[INFO] [stdout] 570c301e3fadb7f9862d869860e1cbb38b46fa28145e2a63d93e8e3505a2a80e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/silkroad/0.0.4:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] f17d6a94cb43ad4f61ee190ece37f8cd3d217d6e141a1e60bc67ea4bcd88738a
[INFO] running `"docker" "start" "-a" "f17d6a94cb43ad4f61ee190ece37f8cd3d217d6e141a1e60bc67ea4bcd88738a"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/skrd-6d1e0e4aa19fd16b
[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" "f17d6a94cb43ad4f61ee190ece37f8cd3d217d6e141a1e60bc67ea4bcd88738a"`
[INFO] running `"docker" "rm" "-f" "f17d6a94cb43ad4f61ee190ece37f8cd3d217d6e141a1e60bc67ea4bcd88738a"`
[INFO] [stdout] f17d6a94cb43ad4f61ee190ece37f8cd3d217d6e141a1e60bc67ea4bcd88738a