[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 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] dc54a5f62eef05cdafd6690f8e72543d0400c4d376415b5afc2a08926b5c2a75
[INFO] running `"docker" "start" "-a" "dc54a5f62eef05cdafd6690f8e72543d0400c4d376415b5afc2a08926b5c2a75"`
[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 0.77s
[INFO] running `"docker" "inspect" "dc54a5f62eef05cdafd6690f8e72543d0400c4d376415b5afc2a08926b5c2a75"`
[INFO] running `"docker" "rm" "-f" "dc54a5f62eef05cdafd6690f8e72543d0400c4d376415b5afc2a08926b5c2a75"`
[INFO] [stdout] dc54a5f62eef05cdafd6690f8e72543d0400c4d376415b5afc2a08926b5c2a75
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] d5c629e3609377436dcd1135e927215837f191e12460ae966923d3320749c2dc
[INFO] running `"docker" "start" "-a" "d5c629e3609377436dcd1135e927215837f191e12460ae966923d3320749c2dc"`
[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 1.45s
[INFO] running `"docker" "inspect" "d5c629e3609377436dcd1135e927215837f191e12460ae966923d3320749c2dc"`
[INFO] running `"docker" "rm" "-f" "d5c629e3609377436dcd1135e927215837f191e12460ae966923d3320749c2dc"`
[INFO] [stdout] d5c629e3609377436dcd1135e927215837f191e12460ae966923d3320749c2dc
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] ecf2ca261984e45082e39ab430800b71d5eb15067300dda2f1cf130777d75b37
[INFO] running `"docker" "start" "-a" "ecf2ca261984e45082e39ab430800b71d5eb15067300dda2f1cf130777d75b37"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/gstuff-58e264b80aa7b0fb
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_status_line ... ok
[INFO] [stdout] test test_hostname ... ok
[INFO] [stdout] test test_oneshot ... 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" "ecf2ca261984e45082e39ab430800b71d5eb15067300dda2f1cf130777d75b37"`
[INFO] running `"docker" "rm" "-f" "ecf2ca261984e45082e39ab430800b71d5eb15067300dda2f1cf130777d75b37"`
[INFO] [stdout] ecf2ca261984e45082e39ab430800b71d5eb15067300dda2f1cf130777d75b37