[INFO] crate run-info 0.5.1 is already in cache
[INFO] extracting crate run-info 0.5.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/run-info/0.5.1
[INFO] extracting crate run-info 0.5.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/run-info/0.5.1
[INFO] validating manifest of run-info-0.5.1 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of run-info-0.5.1 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing run-info-0.5.1
[INFO] finished frobbing run-info-0.5.1
[INFO] frobbed toml for run-info-0.5.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/run-info/0.5.1/Cargo.toml
[INFO] started frobbing run-info-0.5.1
[INFO] finished frobbing run-info-0.5.1
[INFO] frobbed toml for run-info-0.5.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/run-info/0.5.1/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing run-info-0.5.1 against 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/run-info/0.5.1:/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] b475c535f58615c044b04e4dfaac2c22784139f0e1d79d8248f192f66d300251
[INFO] running `"docker" "start" "-a" "b475c535f58615c044b04e4dfaac2c22784139f0e1d79d8248f192f66d300251"`
[INFO] [stderr]    Compiling run-info v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/printer.rs:116:25
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub fn print_small_mode(mut term: &mut Box<term::Terminal<Output=Stdout> + Send>, settings: &Settings,
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/printer.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub fn print_log_mode(mut term: &mut Box<term::Terminal<Output=Stdout> + Send>, settings: &Settings,
[INFO] [stderr]     |                       ----^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pad_string`
[INFO] [stderr]    --> src/printutils.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn pad_string(mut str: String, size: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.55s
[INFO] running `"docker" "inspect" "b475c535f58615c044b04e4dfaac2c22784139f0e1d79d8248f192f66d300251"`
[INFO] running `"docker" "rm" "-f" "b475c535f58615c044b04e4dfaac2c22784139f0e1d79d8248f192f66d300251"`
[INFO] [stdout] b475c535f58615c044b04e4dfaac2c22784139f0e1d79d8248f192f66d300251
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/run-info/0.5.1:/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 5062f6ef141aeda393876460273c4303d908a75f3914210db8f007cd2c55da74
[INFO] running `"docker" "start" "-a" "5062f6ef141aeda393876460273c4303d908a75f3914210db8f007cd2c55da74"`
[INFO] [stderr]    Compiling run-info v0.5.1 (/opt/crater/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/printer.rs:116:25
[INFO] [stderr]     |
[INFO] [stderr] 116 | pub fn print_small_mode(mut term: &mut Box<term::Terminal<Output=Stdout> + Send>, settings: &Settings,
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/printer.rs:158:23
[INFO] [stderr]     |
[INFO] [stderr] 158 | pub fn print_log_mode(mut term: &mut Box<term::Terminal<Output=Stdout> + Send>, settings: &Settings,
[INFO] [stderr]     |                       ----^^^^
[INFO] [stderr]     |                       |
[INFO] [stderr]     |                       help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `pad_string`
[INFO] [stderr]    --> src/printutils.rs:126:1
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub fn pad_string(mut str: String, size: usize) -> String {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.84s
[INFO] running `"docker" "inspect" "5062f6ef141aeda393876460273c4303d908a75f3914210db8f007cd2c55da74"`
[INFO] running `"docker" "rm" "-f" "5062f6ef141aeda393876460273c4303d908a75f3914210db8f007cd2c55da74"`
[INFO] [stdout] 5062f6ef141aeda393876460273c4303d908a75f3914210db8f007cd2c55da74
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/run-info/0.5.1:/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] 319a8e7e9638f7ba4b09b707b8df0248f816c0d7d9d4d8c6cf69922e0d6b5ad4
[INFO] running `"docker" "start" "-a" "319a8e7e9638f7ba4b09b707b8df0248f816c0d7d9d4d8c6cf69922e0d6b5ad4"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/run_info-8cb7fb738b7825a2
[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" "319a8e7e9638f7ba4b09b707b8df0248f816c0d7d9d4d8c6cf69922e0d6b5ad4"`
[INFO] running `"docker" "rm" "-f" "319a8e7e9638f7ba4b09b707b8df0248f816c0d7d9d4d8c6cf69922e0d6b5ad4"`
[INFO] [stdout] 319a8e7e9638f7ba4b09b707b8df0248f816c0d7d9d4d8c6cf69922e0d6b5ad4