[INFO] crate xmlJSON 0.2.0 is already in cache
[INFO] extracting crate xmlJSON 0.2.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/xmlJSON/0.2.0
[INFO] extracting crate xmlJSON 0.2.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xmlJSON/0.2.0
[INFO] validating manifest of xmlJSON-0.2.0 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 xmlJSON-0.2.0 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 xmlJSON-0.2.0
[INFO] finished frobbing xmlJSON-0.2.0
[INFO] frobbed toml for xmlJSON-0.2.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/xmlJSON/0.2.0/Cargo.toml
[INFO] started frobbing xmlJSON-0.2.0
[INFO] finished frobbing xmlJSON-0.2.0
[INFO] frobbed toml for xmlJSON-0.2.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/xmlJSON/0.2.0/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] 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 xmlJSON-0.2.0 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/xmlJSON/0.2.0:/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] 9955ca0c87bf25926dacd5f805dd8dd933856356797d766bdedc4e577326bd74
[INFO] running `"docker" "start" "-a" "9955ca0c87bf25926dacd5f805dd8dd933856356797d766bdedc4e577326bd74"`
[INFO] [stderr]    Compiling xmlJSON v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let mut parser = EventReader::new(source);
[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] warning: crate `xmlJSON` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `xml_json`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `"docker" "inspect" "9955ca0c87bf25926dacd5f805dd8dd933856356797d766bdedc4e577326bd74"`
[INFO] running `"docker" "rm" "-f" "9955ca0c87bf25926dacd5f805dd8dd933856356797d766bdedc4e577326bd74"`
[INFO] [stdout] 9955ca0c87bf25926dacd5f805dd8dd933856356797d766bdedc4e577326bd74
[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/xmlJSON/0.2.0:/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] bba41514205916a58c02b94dcca1004f4ad00304e27a99cd18bcbe4d09c7ab80
[INFO] running `"docker" "start" "-a" "bba41514205916a58c02b94dcca1004f4ad00304e27a99cd18bcbe4d09c7ab80"`
[INFO] [stderr]    Compiling xmlJSON v0.2.0 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:216:13
[INFO] [stderr]     |
[INFO] [stderr] 216 |         let mut parser = EventReader::new(source);
[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] warning: crate `xmlJSON` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `xml_json`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.05s
[INFO] running `"docker" "inspect" "bba41514205916a58c02b94dcca1004f4ad00304e27a99cd18bcbe4d09c7ab80"`
[INFO] running `"docker" "rm" "-f" "bba41514205916a58c02b94dcca1004f4ad00304e27a99cd18bcbe4d09c7ab80"`
[INFO] [stdout] bba41514205916a58c02b94dcca1004f4ad00304e27a99cd18bcbe4d09c7ab80
[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/xmlJSON/0.2.0:/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] 763b94b15c0a4838b87662cd8329d162dcc6aef32e1a3ff3c4e61de69ead69a8
[INFO] running `"docker" "start" "-a" "763b94b15c0a4838b87662cd8329d162dcc6aef32e1a3ff3c4e61de69ead69a8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/xmlJSON-57a55a8ebe390317
[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] [stdout] 
[INFO] [stderr]      Running /opt/crater/target/debug/deps/main-a476e5fc79355f9e
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests xmlJSON
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs -  (line 4) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "763b94b15c0a4838b87662cd8329d162dcc6aef32e1a3ff3c4e61de69ead69a8"`
[INFO] running `"docker" "rm" "-f" "763b94b15c0a4838b87662cd8329d162dcc6aef32e1a3ff3c4e61de69ead69a8"`
[INFO] [stdout] 763b94b15c0a4838b87662cd8329d162dcc6aef32e1a3ff3c4e61de69ead69a8