[INFO] crate atlas-coverage-core 0.1.0 is already in cache
[INFO] extracting crate atlas-coverage-core 0.1.0 into work/ex/beta-1.38-1/sources/1.37.0/reg/atlas-coverage-core/0.1.0
[INFO] extracting crate atlas-coverage-core 0.1.0 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/atlas-coverage-core/0.1.0
[INFO] validating manifest of atlas-coverage-core-0.1.0 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 atlas-coverage-core-0.1.0 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 atlas-coverage-core-0.1.0
[INFO] finished frobbing atlas-coverage-core-0.1.0
[INFO] frobbed toml for atlas-coverage-core-0.1.0 written to work/ex/beta-1.38-1/sources/1.37.0/reg/atlas-coverage-core/0.1.0/Cargo.toml
[INFO] started frobbing atlas-coverage-core-0.1.0
[INFO] finished frobbing atlas-coverage-core-0.1.0
[INFO] frobbed toml for atlas-coverage-core-0.1.0 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/atlas-coverage-core/0.1.0/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] building atlas-coverage-core-0.1.0 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-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/atlas-coverage-core/0.1.0:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] 2e74fd6357529d2f23c17fd0098dc797653db9152fd847a05f9a4bd041683597
[INFO] running `"docker" "start" "-a" "2e74fd6357529d2f23c17fd0098dc797653db9152fd847a05f9a4bd041683597"`
[INFO] [stderr]    Compiling ascii v0.7.1
[INFO] [stderr]    Compiling vlq v0.5.1
[INFO] [stderr]    Compiling combine v3.8.1
[INFO] [stderr]    Compiling combine v2.5.2
[INFO] [stderr]    Compiling lcov-parser v3.2.2
[INFO] [stderr]    Compiling ecmascript v0.1.0
[INFO] [stderr]    Compiling atlas-coverage-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/settings.rs:62:75
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn from_path(settings_path: impl AsRef<Path>) -> Result<Settings, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/settings.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn from_root() -> Result<Settings, Box<Error>> {
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::env::args;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lines.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for mut v in vlq_decode::MappingData::new(source_map.mappings.as_bytes()) {
[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: method is never used: `write_xml_to_stdout`
[INFO] [stderr]    --> src/lines.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn write_xml_to_stdout(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/bin/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.68s
[INFO] running `"docker" "inspect" "2e74fd6357529d2f23c17fd0098dc797653db9152fd847a05f9a4bd041683597"`
[INFO] running `"docker" "rm" "-f" "2e74fd6357529d2f23c17fd0098dc797653db9152fd847a05f9a4bd041683597"`
[INFO] [stdout] 2e74fd6357529d2f23c17fd0098dc797653db9152fd847a05f9a4bd041683597
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/atlas-coverage-core/0.1.0:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 9e46cc0963025c18bce54886dde8ce12486804d950e8f749e413b70a57bcd177
[INFO] running `"docker" "start" "-a" "9e46cc0963025c18bce54886dde8ce12486804d950e8f749e413b70a57bcd177"`
[INFO] [stderr]    Compiling atlas-coverage-core v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `std::path::PathBuf`
[INFO] [stderr]  --> src/bin/main.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::path::PathBuf;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/settings.rs:62:75
[INFO] [stderr]    |
[INFO] [stderr] 62 | pub fn from_path(settings_path: impl AsRef<Path>) -> Result<Settings, Box<Error>> {
[INFO] [stderr]    |                                                                           ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/settings.rs:66:44
[INFO] [stderr]    |
[INFO] [stderr] 66 | pub fn from_root() -> Result<Settings, Box<Error>> {
[INFO] [stderr]    |                                            ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::env::args`
[INFO] [stderr]   --> src/lib.rs:34:5
[INFO] [stderr]    |
[INFO] [stderr] 34 | use std::env::args;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::path::Path`
[INFO] [stderr]    --> src/lib.rs:113:9
[INFO] [stderr]     |
[INFO] [stderr] 113 |     use std::path::Path;
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/lines.rs:50:9
[INFO] [stderr]    |
[INFO] [stderr] 50 |     for mut v in vlq_decode::MappingData::new(source_map.mappings.as_bytes()) {
[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: method is never used: `write_xml_to_stdout`
[INFO] [stderr]    --> src/lines.rs:140:5
[INFO] [stderr]     |
[INFO] [stderr] 140 |     pub fn write_xml_to_stdout(&self) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.70s
[INFO] running `"docker" "inspect" "9e46cc0963025c18bce54886dde8ce12486804d950e8f749e413b70a57bcd177"`
[INFO] running `"docker" "rm" "-f" "9e46cc0963025c18bce54886dde8ce12486804d950e8f749e413b70a57bcd177"`
[INFO] [stdout] 9e46cc0963025c18bce54886dde8ce12486804d950e8f749e413b70a57bcd177