[INFO] updating cached repository pigeon-working-group/serde-perf
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/pigeon-working-group/serde-perf
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/beta-1.38-1/sources/1.37.0/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/pigeon-working-group/serde-perf" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] sha for GitHub repo pigeon-working-group/serde-perf: 7f51f0bc263632e4b03791f2b56958bed69a38bb
[INFO] validating manifest of pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf 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 pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/beta-1.38-1/sources/1.37.0/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] started frobbing pigeon-working-group/serde-perf
[INFO] finished frobbing pigeon-working-group/serde-perf
[INFO] frobbed toml for pigeon-working-group/serde-perf written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf/Cargo.toml
[INFO] crate pigeon-working-group/serde-perf already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing pigeon-working-group/serde-perf against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf:/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 5aa4340cb11d439548e60261d5c787832fdee4008c53e4ebdb7a8648d76fc1a6
[INFO] running `"docker" "start" "-a" "5aa4340cb11d439548e60261d5c787832fdee4008c53e4ebdb7a8648d76fc1a6"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling iter-read v0.1.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling hostname v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling serde v1.0.27
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling serde_json v1.0.11
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling ron v0.2.0
[INFO] [stderr]    Compiling bincode v1.0.0
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling serde-pickle v0.4.0
[INFO] [stderr]    Compiling bson v0.11.1
[INFO] [stderr]    Compiling serde-perf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:52
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut perf_tests: BTreeMap<&'static str, Box<Fn(&PubMessage)>> =
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&PubMessage)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.57s
[INFO] running `"docker" "inspect" "5aa4340cb11d439548e60261d5c787832fdee4008c53e4ebdb7a8648d76fc1a6"`
[INFO] running `"docker" "rm" "-f" "5aa4340cb11d439548e60261d5c787832fdee4008c53e4ebdb7a8648d76fc1a6"`
[INFO] [stdout] 5aa4340cb11d439548e60261d5c787832fdee4008c53e4ebdb7a8648d76fc1a6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf:/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 77d64750169a662c29ea21be61070e975aaa05f951225efa9300db239ca9e99b
[INFO] running `"docker" "start" "-a" "77d64750169a662c29ea21be61070e975aaa05f951225efa9300db239ca9e99b"`
[INFO] [stderr]    Compiling serde-perf v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:65:52
[INFO] [stderr]    |
[INFO] [stderr] 65 |     let mut perf_tests: BTreeMap<&'static str, Box<Fn(&PubMessage)>> =
[INFO] [stderr]    |                                                    ^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&PubMessage)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "77d64750169a662c29ea21be61070e975aaa05f951225efa9300db239ca9e99b"`
[INFO] running `"docker" "rm" "-f" "77d64750169a662c29ea21be61070e975aaa05f951225efa9300db239ca9e99b"`
[INFO] [stdout] 77d64750169a662c29ea21be61070e975aaa05f951225efa9300db239ca9e99b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/pigeon-working-group/serde-perf:/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 74b60ca1253a99748f02711c17968c2ddeccc0a72642df3a35d7a573f869a395
[INFO] running `"docker" "start" "-a" "74b60ca1253a99748f02711c17968c2ddeccc0a72642df3a35d7a573f869a395"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/serde_perf-fa24f2c6e92167af
[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" "74b60ca1253a99748f02711c17968c2ddeccc0a72642df3a35d7a573f869a395"`
[INFO] running `"docker" "rm" "-f" "74b60ca1253a99748f02711c17968c2ddeccc0a72642df3a35d7a573f869a395"`
[INFO] [stdout] 74b60ca1253a99748f02711c17968c2ddeccc0a72642df3a35d7a573f869a395