[INFO] updating cached repository joelmccracken/simple-log
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/joelmccracken/simple-log
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/joelmccracken/simple-log" "work/ex/beta-1.37-6/sources/1.36.0/gh/joelmccracken/simple-log"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/joelmccracken/simple-log'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/joelmccracken/simple-log" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 5e5c7b0bd6750cca19e32361909889022f6da29f
[INFO] sha for GitHub repo joelmccracken/simple-log: 5e5c7b0bd6750cca19e32361909889022f6da29f
[INFO] validating manifest of joelmccracken/simple-log 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 joelmccracken/simple-log 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 joelmccracken/simple-log
[INFO] finished frobbing joelmccracken/simple-log
[INFO] frobbed toml for joelmccracken/simple-log written to work/ex/beta-1.37-6/sources/1.36.0/gh/joelmccracken/simple-log/Cargo.toml
[INFO] started frobbing joelmccracken/simple-log
[INFO] finished frobbing joelmccracken/simple-log
[INFO] frobbed toml for joelmccracken/simple-log written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log/Cargo.toml
[INFO] crate joelmccracken/simple-log already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/joelmccracken/simple-log/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] [stderr]     Updating git repository `https://github.com/nickel-org/nickel.rs.git`
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/nickel-org/nickel.rs.git`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing joelmccracken/simple-log against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] dcc0cf2b6ce4c23b1938bac236c436276e354945a8ad4a50158f3277bd8bfec0
[INFO] running `"docker" "start" "-a" "dcc0cf2b6ce4c23b1938bac236c436276e354945a8ad4a50158f3277bd8bfec0"`
[INFO] [stderr]    Compiling groupable v0.2.0
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling num_cpus v1.10.1
[INFO] [stderr]    Compiling mime v0.2.6
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling mustache v0.9.0
[INFO] [stderr]    Compiling nickel v0.11.0 (https://github.com/nickel-org/nickel.rs.git#2d0e3d03)
[INFO] [stderr]    Compiling simple-log v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `auth_token`
[INFO] [stderr]   --> src/main.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn do_log_time(logfile_path: &String, auth_token: &Option<String>) -> String {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: consider prefixing with an underscore: `_auth_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.00s
[INFO] running `"docker" "inspect" "dcc0cf2b6ce4c23b1938bac236c436276e354945a8ad4a50158f3277bd8bfec0"`
[INFO] running `"docker" "rm" "-f" "dcc0cf2b6ce4c23b1938bac236c436276e354945a8ad4a50158f3277bd8bfec0"`
[INFO] [stdout] dcc0cf2b6ce4c23b1938bac236c436276e354945a8ad4a50158f3277bd8bfec0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 84b662386032b863e84642bcbfe15415b7124c84b0548d6a6c05b34e6e3ce837
[INFO] running `"docker" "start" "-a" "84b662386032b863e84642bcbfe15415b7124c84b0548d6a6c05b34e6e3ce837"`
[INFO] [stderr]    Compiling simple-log v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused variable: `auth_token`
[INFO] [stderr]   --> src/main.rs:40:39
[INFO] [stderr]    |
[INFO] [stderr] 40 | fn do_log_time(logfile_path: &String, auth_token: &Option<String>) -> String {
[INFO] [stderr]    |                                       ^^^^^^^^^^ help: consider prefixing with an underscore: `_auth_token`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:73:5
[INFO] [stderr]    |
[INFO] [stderr] 73 |     server.listen("127.0.0.1:6767");
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `"docker" "inspect" "84b662386032b863e84642bcbfe15415b7124c84b0548d6a6c05b34e6e3ce837"`
[INFO] running `"docker" "rm" "-f" "84b662386032b863e84642bcbfe15415b7124c84b0548d6a6c05b34e6e3ce837"`
[INFO] [stdout] 84b662386032b863e84642bcbfe15415b7124c84b0548d6a6c05b34e6e3ce837
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/joelmccracken/simple-log:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] f99ce207ea8c3335e0a63c51faa5b72518d587fa09cd6f08de341711797dceba
[INFO] running `"docker" "start" "-a" "f99ce207ea8c3335e0a63c51faa5b72518d587fa09cd6f08de341711797dceba"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/simple_log-cd5a5678d7af377f
[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" "f99ce207ea8c3335e0a63c51faa5b72518d587fa09cd6f08de341711797dceba"`
[INFO] running `"docker" "rm" "-f" "f99ce207ea8c3335e0a63c51faa5b72518d587fa09cd6f08de341711797dceba"`
[INFO] [stdout] f99ce207ea8c3335e0a63c51faa5b72518d587fa09cd6f08de341711797dceba