[INFO] crate gstuff 0.5.3 is already in cache
[INFO] extracting crate gstuff 0.5.3 into work/ex/beta-1.38-1/sources/1.37.0/reg/gstuff/0.5.3
[INFO] extracting crate gstuff 0.5.3 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gstuff/0.5.3
[INFO] validating manifest of gstuff-0.5.3 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 gstuff-0.5.3 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 gstuff-0.5.3
[INFO] finished frobbing gstuff-0.5.3
[INFO] frobbed toml for gstuff-0.5.3 written to work/ex/beta-1.38-1/sources/1.37.0/reg/gstuff/0.5.3/Cargo.toml
[INFO] started frobbing gstuff-0.5.3
[INFO] finished frobbing gstuff-0.5.3
[INFO] frobbed toml for gstuff-0.5.3 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gstuff/0.5.3/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 gstuff-0.5.3 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-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gstuff/0.5.3:/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] cf698c046a87c400f10242806cf09a8a936ebfe4ebeea8b8c2106e2c110f3a62
[INFO] running `"docker" "start" "-a" "cf698c046a87c400f10242806cf09a8a936ebfe4ebeea8b8c2106e2c110f3a62"`
[INFO] [stderr]    Compiling gstuff v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> gstuff.rs:229:37
[INFO] [stderr]     |
[INFO] [stderr] 229 | pub fn with_hostname (visitor: &mut FnMut (&[u8])) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut (&[u8])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> gstuff.rs:232:7
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io;
[INFO] [stderr]     |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 232 |   use std::io;
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `"docker" "inspect" "cf698c046a87c400f10242806cf09a8a936ebfe4ebeea8b8c2106e2c110f3a62"`
[INFO] running `"docker" "rm" "-f" "cf698c046a87c400f10242806cf09a8a936ebfe4ebeea8b8c2106e2c110f3a62"`
[INFO] [stdout] cf698c046a87c400f10242806cf09a8a936ebfe4ebeea8b8c2106e2c110f3a62
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gstuff/0.5.3:/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] 4c30eb0943f5a505529dd8a5c940ca27562c580c19d71f9c1b216b39c2898a69
[INFO] running `"docker" "start" "-a" "4c30eb0943f5a505529dd8a5c940ca27562c580c19d71f9c1b216b39c2898a69"`
[INFO] [stderr]    Compiling gstuff v0.5.3 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> gstuff.rs:229:37
[INFO] [stderr]     |
[INFO] [stderr] 229 | pub fn with_hostname (visitor: &mut FnMut (&[u8])) -> Result<(), std::io::Error> {
[INFO] [stderr]     |                                     ^^^^^^^^^^^^^ help: use `dyn`: `dyn FnMut (&[u8])`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the item `io` is imported redundantly
[INFO] [stderr]    --> gstuff.rs:232:7
[INFO] [stderr]     |
[INFO] [stderr] 10  | use std::io;
[INFO] [stderr]     |     ------- the item `io` is already imported here
[INFO] [stderr] ...
[INFO] [stderr] 232 |   use std::io;
[INFO] [stderr]     |       ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.25s
[INFO] running `"docker" "inspect" "4c30eb0943f5a505529dd8a5c940ca27562c580c19d71f9c1b216b39c2898a69"`
[INFO] running `"docker" "rm" "-f" "4c30eb0943f5a505529dd8a5c940ca27562c580c19d71f9c1b216b39c2898a69"`
[INFO] [stdout] 4c30eb0943f5a505529dd8a5c940ca27562c580c19d71f9c1b216b39c2898a69
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/gstuff/0.5.3:/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] 10705dbdbfcbf97d9cf8bf95d7aaed2f13914f2cd81a269b1c646f88be4478b2
[INFO] running `"docker" "start" "-a" "10705dbdbfcbf97d9cf8bf95d7aaed2f13914f2cd81a269b1c646f88be4478b2"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gstuff-adb90cca1a836cec
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_hostname ... ok
[INFO] [stdout] test test_oneshot ... ok
[INFO] [stdout] test test_status_line ... ok
[INFO] [stdout] test test_slurp_prog ... ok
[INFO] [stdout] test test_now_ms ... ok
[INFO] [stdout] test test_now_float ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "10705dbdbfcbf97d9cf8bf95d7aaed2f13914f2cd81a269b1c646f88be4478b2"`
[INFO] running `"docker" "rm" "-f" "10705dbdbfcbf97d9cf8bf95d7aaed2f13914f2cd81a269b1c646f88be4478b2"`
[INFO] [stdout] 10705dbdbfcbf97d9cf8bf95d7aaed2f13914f2cd81a269b1c646f88be4478b2