[INFO] crate caesium 0.1.0 is already in cache
[INFO] extracting crate caesium 0.1.0 into work/ex/beta-1.37-6/sources/1.36.0/reg/caesium/0.1.0
[INFO] extracting crate caesium 0.1.0 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caesium/0.1.0
[INFO] validating manifest of caesium-0.1.0 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 caesium-0.1.0 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 caesium-0.1.0
[INFO] finished frobbing caesium-0.1.0
[INFO] frobbed toml for caesium-0.1.0 written to work/ex/beta-1.37-6/sources/1.36.0/reg/caesium/0.1.0/Cargo.toml
[INFO] started frobbing caesium-0.1.0
[INFO] finished frobbing caesium-0.1.0
[INFO] frobbed toml for caesium-0.1.0 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/caesium/0.1.0/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 caesium-0.1.0 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/caesium/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 29ceb615422db0f94ea69d298a0f92c90df54d17dc97a61569a041fb2fde3062
[INFO] running `"docker" "start" "-a" "29ceb615422db0f94ea69d298a0f92c90df54d17dc97a61569a041fb2fde3062"`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling curl-sys v0.4.20
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.6.19
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling git2 v0.6.11
[INFO] [stderr]    Compiling parking_lot_core v0.4.0
[INFO] [stderr]    Compiling tokio-threadpool v0.1.15
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling iron v0.5.1
[INFO] [stderr]    Compiling tokio-fs v0.1.6
[INFO] [stderr]    Compiling router v0.5.1
[INFO] [stderr]    Compiling tokio-uds v0.2.5
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio-udp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling tokio-core v0.1.17
[INFO] [stderr]    Compiling tokio-proto v0.1.1
[INFO] [stderr]    Compiling tokio-tls v0.1.4
[INFO] [stderr]    Compiling hyper v0.11.27
[INFO] [stderr]    Compiling hyper-tls v0.1.4
[INFO] [stderr]    Compiling caesium v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     // Bindings to types implementing std::error::Error.
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     // Bindings to types implementing std::error::Error.
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut caesium = self.caesium.clone();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 1m 10s
[INFO] running `"docker" "inspect" "29ceb615422db0f94ea69d298a0f92c90df54d17dc97a61569a041fb2fde3062"`
[INFO] running `"docker" "rm" "-f" "29ceb615422db0f94ea69d298a0f92c90df54d17dc97a61569a041fb2fde3062"`
[INFO] [stdout] 29ceb615422db0f94ea69d298a0f92c90df54d17dc97a61569a041fb2fde3062
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/caesium/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" "+1.36.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 147889148b210d45f747de5c4731a6e1d580012ea4b131c0ddc83475c7b231b9
[INFO] running `"docker" "start" "-a" "147889148b210d45f747de5c4731a6e1d580012ea4b131c0ddc83475c7b231b9"`
[INFO] [stderr]    Compiling caesium v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     // Bindings to types implementing std::error::Error.
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/errors.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain! {
[INFO] [stderr] 3  | |     // Bindings to types implementing std::error::Error.
[INFO] [stderr] 4  | |     foreign_links {
[INFO] [stderr] 5  | |         Io(::std::io::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 18 | |     }
[INFO] [stderr] 19 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:119:21
[INFO] [stderr]     |
[INFO] [stderr] 119 |                 let mut caesium = self.caesium.clone();
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.45s
[INFO] running `"docker" "inspect" "147889148b210d45f747de5c4731a6e1d580012ea4b131c0ddc83475c7b231b9"`
[INFO] running `"docker" "rm" "-f" "147889148b210d45f747de5c4731a6e1d580012ea4b131c0ddc83475c7b231b9"`
[INFO] [stdout] 147889148b210d45f747de5c4731a6e1d580012ea4b131c0ddc83475c7b231b9
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/reg/caesium/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" "+1.36.0" "test" "--frozen"`
[INFO] [stdout] c16d2e4d8ac5efea24b21d3bb1559f9121349d6ea1fe3ed77a1a3fbb9af9c894
[INFO] running `"docker" "start" "-a" "c16d2e4d8ac5efea24b21d3bb1559f9121349d6ea1fe3ed77a1a3fbb9af9c894"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/caesium-76b39b4ba42125fd
[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" "c16d2e4d8ac5efea24b21d3bb1559f9121349d6ea1fe3ed77a1a3fbb9af9c894"`
[INFO] running `"docker" "rm" "-f" "c16d2e4d8ac5efea24b21d3bb1559f9121349d6ea1fe3ed77a1a3fbb9af9c894"`
[INFO] [stdout] c16d2e4d8ac5efea24b21d3bb1559f9121349d6ea1fe3ed77a1a3fbb9af9c894