[INFO] crate path-tree 0.1.8 is already in cache
[INFO] extracting crate path-tree 0.1.8 into work/ex/beta-1.38-1/sources/1.37.0/reg/path-tree/0.1.8
[INFO] extracting crate path-tree 0.1.8 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/path-tree/0.1.8
[INFO] validating manifest of path-tree-0.1.8 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 path-tree-0.1.8 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 path-tree-0.1.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished frobbing path-tree-0.1.8
[INFO] frobbed toml for path-tree-0.1.8 written to work/ex/beta-1.38-1/sources/1.37.0/reg/path-tree/0.1.8/Cargo.toml
[INFO] started frobbing path-tree-0.1.8
[INFO] removed 0 missing examples
[INFO] removed 0 missing tests
[INFO] finished frobbing path-tree-0.1.8
[INFO] frobbed toml for path-tree-0.1.8 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/path-tree/0.1.8/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 path-tree-0.1.8 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/path-tree/0.1.8:/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] 2d032ea1694066eab62fbee5dd6970561cca9f2b74788c0a1aaf6a34b70a1a25
[INFO] running `"docker" "start" "-a" "2d032ea1694066eab62fbee5dd6970561cca9f2b74788c0a1aaf6a34b70a1a25"`
[INFO] [stderr]    Compiling path-tree v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:246:25
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     let mut kind: NodeKind;
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `"docker" "inspect" "2d032ea1694066eab62fbee5dd6970561cca9f2b74788c0a1aaf6a34b70a1a25"`
[INFO] running `"docker" "rm" "-f" "2d032ea1694066eab62fbee5dd6970561cca9f2b74788c0a1aaf6a34b70a1a25"`
[INFO] [stdout] 2d032ea1694066eab62fbee5dd6970561cca9f2b74788c0a1aaf6a34b70a1a25
[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/path-tree/0.1.8:/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] 4a5206f6319378523b12ccb07ed153ddf3d6ed166291938d6017ebd586fc0f4d
[INFO] running `"docker" "start" "-a" "4a5206f6319378523b12ccb07ed153ddf3d6ed166291938d6017ebd586fc0f4d"`
[INFO] [stderr]    Compiling path-table v1.0.0
[INFO] [stderr]    Compiling criterion-plot v0.3.1
[INFO] [stderr]    Compiling actix-router v0.1.5
[INFO] [stderr]    Compiling criterion v0.2.11
[INFO] [stderr]    Compiling path-tree v0.1.8 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:246:25
[INFO] [stderr]     |
[INFO] [stderr] 246 |                     let mut kind: NodeKind;
[INFO] [stderr]     |                         ----^^^^
[INFO] [stderr]     |                         |
[INFO] [stderr]     |                         help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.20s
[INFO] running `"docker" "inspect" "4a5206f6319378523b12ccb07ed153ddf3d6ed166291938d6017ebd586fc0f4d"`
[INFO] running `"docker" "rm" "-f" "4a5206f6319378523b12ccb07ed153ddf3d6ed166291938d6017ebd586fc0f4d"`
[INFO] [stdout] 4a5206f6319378523b12ccb07ed153ddf3d6ed166291938d6017ebd586fc0f4d
[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/path-tree/0.1.8:/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] df2140887d4f727d5ed3e00db1d6d04b19016516edd50ef09ff8279ac123b780
[INFO] running `"docker" "start" "-a" "df2140887d4f727d5ed3e00db1d6d04b19016516edd50ef09ff8279ac123b780"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/path_tree-13e5cb5c2a72fcab
[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/basic-28d1d74b37fce7f3
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test multi_named_parameters ... ok
[INFO] [stdout] test single_named_parameter ... ok
[INFO] [stdout] test catch_all_parameter ... ok
[INFO] [stdout] test root_catch_all_parameter_1 ... ok
[INFO] [stdout] test new_tree ... ok
[INFO] [stdout] test static_and_catch_all_parameter ... ok
[INFO] [stdout] test root_catch_all_parameter ... ok
[INFO] [stdout] test wildcards ... ok
[INFO] [stdout] test static_and_named_parameter ... ok
[INFO] [stdout] test statics ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/github-1c0247d5fbedad1e
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test github ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests path-tree
[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" "df2140887d4f727d5ed3e00db1d6d04b19016516edd50ef09ff8279ac123b780"`
[INFO] running `"docker" "rm" "-f" "df2140887d4f727d5ed3e00db1d6d04b19016516edd50ef09ff8279ac123b780"`
[INFO] [stdout] df2140887d4f727d5ed3e00db1d6d04b19016516edd50ef09ff8279ac123b780