[INFO] crate treesize 0.4.0 is already in cache
[INFO] extracting crate treesize 0.4.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/treesize/0.4.0
[INFO] extracting crate treesize 0.4.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/treesize/0.4.0
[INFO] validating manifest of treesize-0.4.0 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 treesize-0.4.0 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 treesize-0.4.0
[INFO] finished frobbing treesize-0.4.0
[INFO] frobbed toml for treesize-0.4.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/treesize/0.4.0/Cargo.toml
[INFO] started frobbing treesize-0.4.0
[INFO] finished frobbing treesize-0.4.0
[INFO] frobbed toml for treesize-0.4.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/treesize/0.4.0/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] [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 treesize-0.4.0 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-2/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/treesize/0.4.0:/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] a2dd8d123f27d0456fc81c5175ec36260fe7c2bc98def457913a1de9f4d78748
[INFO] running `"docker" "start" "-a" "a2dd8d123f27d0456fc81c5175ec36260fe7c2bc98def457913a1de9f4d78748"`
[INFO] [stderr]    Compiling tabwriter v1.1.0
[INFO] [stderr]    Compiling treesize v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/directory/tree.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn children<'a>(&'a self) -> Box<iter::Iterator<Item = &FSNode> + 'a> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn iter::Iterator<Item = &FSNode> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `"docker" "inspect" "a2dd8d123f27d0456fc81c5175ec36260fe7c2bc98def457913a1de9f4d78748"`
[INFO] running `"docker" "rm" "-f" "a2dd8d123f27d0456fc81c5175ec36260fe7c2bc98def457913a1de9f4d78748"`
[INFO] [stdout] a2dd8d123f27d0456fc81c5175ec36260fe7c2bc98def457913a1de9f4d78748
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/treesize/0.4.0:/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] 2f732e080d02e99091cf54491678474e64659ec30dcdf71c5b6ef0a659b9c22f
[INFO] running `"docker" "start" "-a" "2f732e080d02e99091cf54491678474e64659ec30dcdf71c5b6ef0a659b9c22f"`
[INFO] [stderr]    Compiling treesize v0.4.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/directory/tree.rs:30:42
[INFO] [stderr]    |
[INFO] [stderr] 30 |     pub fn children<'a>(&'a self) -> Box<iter::Iterator<Item = &FSNode> + 'a> {
[INFO] [stderr]    |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn iter::Iterator<Item = &FSNode> + 'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `"docker" "inspect" "2f732e080d02e99091cf54491678474e64659ec30dcdf71c5b6ef0a659b9c22f"`
[INFO] running `"docker" "rm" "-f" "2f732e080d02e99091cf54491678474e64659ec30dcdf71c5b6ef0a659b9c22f"`
[INFO] [stdout] 2f732e080d02e99091cf54491678474e64659ec30dcdf71c5b6ef0a659b9c22f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/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/treesize/0.4.0:/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] a3b99a747ac9737867a695df2b85c490172ba9f43081694fe78738a49323b330
[INFO] running `"docker" "start" "-a" "a3b99a747ac9737867a695df2b85c490172ba9f43081694fe78738a49323b330"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treesize-f9fa7aa3cd661843
[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" "a3b99a747ac9737867a695df2b85c490172ba9f43081694fe78738a49323b330"`
[INFO] running `"docker" "rm" "-f" "a3b99a747ac9737867a695df2b85c490172ba9f43081694fe78738a49323b330"`
[INFO] [stdout] a3b99a747ac9737867a695df2b85c490172ba9f43081694fe78738a49323b330