[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 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-3/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/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 9a76f31fa828b936dccc30314a186d3f53ea6e23f51d210aed6627ea72a2c9b9
[INFO] running `"docker" "start" "-a" "9a76f31fa828b936dccc30314a186d3f53ea6e23f51d210aed6627ea72a2c9b9"`
[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 0.51s
[INFO] running `"docker" "inspect" "9a76f31fa828b936dccc30314a186d3f53ea6e23f51d210aed6627ea72a2c9b9"`
[INFO] running `"docker" "rm" "-f" "9a76f31fa828b936dccc30314a186d3f53ea6e23f51d210aed6627ea72a2c9b9"`
[INFO] [stdout] 9a76f31fa828b936dccc30314a186d3f53ea6e23f51d210aed6627ea72a2c9b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 35d0d8f7f1d2501e09df546f848599441cb94a834258facae41a5ff89465ae17
[INFO] running `"docker" "start" "-a" "35d0d8f7f1d2501e09df546f848599441cb94a834258facae41a5ff89465ae17"`
[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 rayon v1.1.0
[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 23.36s
[INFO] running `"docker" "inspect" "35d0d8f7f1d2501e09df546f848599441cb94a834258facae41a5ff89465ae17"`
[INFO] running `"docker" "rm" "-f" "35d0d8f7f1d2501e09df546f848599441cb94a834258facae41a5ff89465ae17"`
[INFO] [stdout] 35d0d8f7f1d2501e09df546f848599441cb94a834258facae41a5ff89465ae17
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-3/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/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 82e3bfd3b296f0269162a7267a370cda8e0d2295e282b149906029be6956f4b5
[INFO] running `"docker" "start" "-a" "82e3bfd3b296f0269162a7267a370cda8e0d2295e282b149906029be6956f4b5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/path_tree-bebcbba46274cb68
[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-2bc7ca0646db321a
[INFO] [stdout] 
[INFO] [stdout] running 10 tests
[INFO] [stdout] test root_catch_all_parameter_1 ... ok
[INFO] [stdout] test root_catch_all_parameter ... ok
[INFO] [stdout] test statics ... ok
[INFO] [stdout] test wildcards ... ok
[INFO] [stdout] test catch_all_parameter ... ok
[INFO] [stdout] test single_named_parameter ... ok
[INFO] [stdout] test multi_named_parameters ... ok
[INFO] [stdout] test static_and_named_parameter ... ok
[INFO] [stdout] test static_and_catch_all_parameter ... ok
[INFO] [stdout] test new_tree ... ok
[INFO] [stderr]      Running /opt/crater/target/debug/deps/github-b473901b63a3490b
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 10 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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" "82e3bfd3b296f0269162a7267a370cda8e0d2295e282b149906029be6956f4b5"`
[INFO] running `"docker" "rm" "-f" "82e3bfd3b296f0269162a7267a370cda8e0d2295e282b149906029be6956f4b5"`
[INFO] [stdout] 82e3bfd3b296f0269162a7267a370cda8e0d2295e282b149906029be6956f4b5