[INFO] updating cached repository JasonSmith/signal
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/JasonSmith/signal
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonSmith/signal" "work/ex/beta-1.37-6/sources/1.36.0/gh/JasonSmith/signal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/JasonSmith/signal'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/JasonSmith/signal" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JasonSmith/signal"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JasonSmith/signal'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e159586c0627ce1c53dfa070a0a703b0ca604e7a
[INFO] sha for GitHub repo JasonSmith/signal: e159586c0627ce1c53dfa070a0a703b0ca604e7a
[INFO] validating manifest of JasonSmith/signal 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 JasonSmith/signal 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 JasonSmith/signal
[INFO] finished frobbing JasonSmith/signal
[INFO] frobbed toml for JasonSmith/signal written to work/ex/beta-1.37-6/sources/1.36.0/gh/JasonSmith/signal/Cargo.toml
[INFO] started frobbing JasonSmith/signal
[INFO] finished frobbing JasonSmith/signal
[INFO] frobbed toml for JasonSmith/signal written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/JasonSmith/signal/Cargo.toml
[INFO] crate JasonSmith/signal 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] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing JasonSmith/signal 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/gh/JasonSmith/signal:/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] 104a4bf20a76c1d177e6c799fe49d81a7d434523fc6de25cb280e2e78d276b95
[INFO] running `"docker" "start" "-a" "104a4bf20a76c1d177e6c799fe49d81a7d434523fc6de25cb280e2e78d276b95"`
[INFO] [stderr]    Compiling signal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TypeId`
[INFO] [stderr]  --> src/signal.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::{Any, TypeId};
[INFO] [stderr]   |                     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stderr]  --> src/signal.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::hash_map::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `callback`
[INFO] [stderr]   --> src/signal.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
[INFO] [stderr]    |                                              ^^^^^^^^ help: consider prefixing with an underscore: `_callback`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CallbackID`
[INFO] [stderr]  --> src/signal.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type CallbackID = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `"docker" "inspect" "104a4bf20a76c1d177e6c799fe49d81a7d434523fc6de25cb280e2e78d276b95"`
[INFO] running `"docker" "rm" "-f" "104a4bf20a76c1d177e6c799fe49d81a7d434523fc6de25cb280e2e78d276b95"`
[INFO] [stdout] 104a4bf20a76c1d177e6c799fe49d81a7d434523fc6de25cb280e2e78d276b95
[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/gh/JasonSmith/signal:/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] 602a10520578ee232549a5937a5896044abf2d116bdbd75d513de80608b89a26
[INFO] running `"docker" "start" "-a" "602a10520578ee232549a5937a5896044abf2d116bdbd75d513de80608b89a26"`
[INFO] [stderr]    Compiling signal v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `TypeId`
[INFO] [stderr]  --> src/signal.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::any::{Any, TypeId};
[INFO] [stderr]   |                     ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::hash_map::HashMap`
[INFO] [stderr]  --> src/signal.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::collections::hash_map::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `callback`
[INFO] [stderr]   --> src/signal.rs:84:46
[INFO] [stderr]    |
[INFO] [stderr] 84 |    pub fn disconnect_with_data<F>(&mut self, callback: F)
[INFO] [stderr]    |                                              ^^^^^^^^ help: consider prefixing with an underscore: `_callback`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `CallbackID`
[INFO] [stderr]  --> src/signal.rs:6:1
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub type CallbackID = usize;
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `"docker" "inspect" "602a10520578ee232549a5937a5896044abf2d116bdbd75d513de80608b89a26"`
[INFO] running `"docker" "rm" "-f" "602a10520578ee232549a5937a5896044abf2d116bdbd75d513de80608b89a26"`
[INFO] [stdout] 602a10520578ee232549a5937a5896044abf2d116bdbd75d513de80608b89a26
[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/gh/JasonSmith/signal:/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] 37ce63f79b96fd8e83a90e452d1a2d258f92abb6f34e002dbda14b67f74e0be8
[INFO] running `"docker" "start" "-a" "37ce63f79b96fd8e83a90e452d1a2d258f92abb6f34e002dbda14b67f74e0be8"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/signal-50edf316298b9f30
[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" "37ce63f79b96fd8e83a90e452d1a2d258f92abb6f34e002dbda14b67f74e0be8"`
[INFO] running `"docker" "rm" "-f" "37ce63f79b96fd8e83a90e452d1a2d258f92abb6f34e002dbda14b67f74e0be8"`
[INFO] [stdout] 37ce63f79b96fd8e83a90e452d1a2d258f92abb6f34e002dbda14b67f74e0be8