[INFO] crate treediff 3.0.1 is already in cache
[INFO] extracting crate treediff 3.0.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/treediff/3.0.1
[INFO] extracting crate treediff 3.0.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/treediff/3.0.1
[INFO] validating manifest of treediff-3.0.1 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 treediff-3.0.1 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 treediff-3.0.1
[INFO] finished frobbing treediff-3.0.1
[INFO] frobbed toml for treediff-3.0.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/treediff/3.0.1/Cargo.toml
[INFO] started frobbing treediff-3.0.1
[INFO] finished frobbing treediff-3.0.1
[INFO] frobbed toml for treediff-3.0.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/treediff/3.0.1/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 treediff-3.0.1 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-5/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/treediff/3.0.1:/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] 5663bbcac8388fb4988115ac388ad9107c3e2598bdee46f33c79360dc0350055
[INFO] running `"docker" "start" "-a" "5663bbcac8388fb4988115ac388ad9107c3e2598bdee46f33c79360dc0350055"`
[INFO] [stderr]    Compiling treediff v3.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traitdef.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn items<'a>(&'a self) -> Option<Box<Iterator<Item = (Self::Key, &'a Self::Item)> + 'a>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (Self::Key, &'a Self::Item)> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `"docker" "inspect" "5663bbcac8388fb4988115ac388ad9107c3e2598bdee46f33c79360dc0350055"`
[INFO] running `"docker" "rm" "-f" "5663bbcac8388fb4988115ac388ad9107c3e2598bdee46f33c79360dc0350055"`
[INFO] [stdout] 5663bbcac8388fb4988115ac388ad9107c3e2598bdee46f33c79360dc0350055
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/treediff/3.0.1:/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] 52086d2f920372414794d0fbce8c287ef53be43d8fcccd038077e3aa9d6c1b66
[INFO] running `"docker" "start" "-a" "52086d2f920372414794d0fbce8c287ef53be43d8fcccd038077e3aa9d6c1b66"`
[INFO] [stderr]    Compiling treediff v3.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/traitdef.rs:9:42
[INFO] [stderr]   |
[INFO] [stderr] 9 |     fn items<'a>(&'a self) -> Option<Box<Iterator<Item = (Self::Key, &'a Self::Item)> + 'a>>;
[INFO] [stderr]   |                                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Iterator<Item = (Self::Key, &'a Self::Item)> + 'a`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]    --> tests/merge.rs:3:1
[INFO] [stderr]     |
[INFO] [stderr] 3   | / macro_rules! make_suite {
[INFO] [stderr] 4   | | () => {
[INFO] [stderr] 5   | |     use treediff::diff;
[INFO] [stderr] 6   | |     use treediff::tools::{MutableFilter, Merger};
[INFO] [stderr] ...   |
[INFO] [stderr] 166 | | }
[INFO] [stderr] 167 | | }
[INFO] [stderr]     | |_^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused macro definition
[INFO] [stderr]   --> tests/json_value.rs:3:1
[INFO] [stderr]    |
[INFO] [stderr] 3  | / macro_rules! make_suite {
[INFO] [stderr] 4  | | ($bool:expr) => {
[INFO] [stderr] 5  | |     use treediff::Value;
[INFO] [stderr] 6  | |     use treediff::value::Key;
[INFO] [stderr] ...  |
[INFO] [stderr] 37 | | };
[INFO] [stderr] 38 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_macros)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `"docker" "inspect" "52086d2f920372414794d0fbce8c287ef53be43d8fcccd038077e3aa9d6c1b66"`
[INFO] running `"docker" "rm" "-f" "52086d2f920372414794d0fbce8c287ef53be43d8fcccd038077e3aa9d6c1b66"`
[INFO] [stdout] 52086d2f920372414794d0fbce8c287ef53be43d8fcccd038077e3aa9d6c1b66
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/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/treediff/3.0.1:/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] c5441c6551fbfafa20f7aae1e2f5858bcfdcde280a091093b674fe6400830289
[INFO] running `"docker" "start" "-a" "c5441c6551fbfafa20f7aae1e2f5858bcfdcde280a091093b674fe6400830289"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/treediff-57e8e7f744cd02df
[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] [stderr]      Running /opt/crater/target/debug/deps/diff-010df6198964fc3c
[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] [stderr]      Running /opt/crater/target/debug/deps/json_value-38194dcacfb8fc9b
[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] [stderr]      Running /opt/crater/target/debug/deps/merge-3b30e424a1bba397
[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] [stderr]    Doc-tests treediff
[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" "c5441c6551fbfafa20f7aae1e2f5858bcfdcde280a091093b674fe6400830289"`
[INFO] running `"docker" "rm" "-f" "c5441c6551fbfafa20f7aae1e2f5858bcfdcde280a091093b674fe6400830289"`
[INFO] [stdout] c5441c6551fbfafa20f7aae1e2f5858bcfdcde280a091093b674fe6400830289