[INFO] crate rustup-toolchain-install-master 1.6.1 is already in cache
[INFO] extracting crate rustup-toolchain-install-master 1.6.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-toolchain-install-master/1.6.1
[INFO] extracting crate rustup-toolchain-install-master 1.6.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup-toolchain-install-master/1.6.1
[INFO] validating manifest of rustup-toolchain-install-master-1.6.1 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 rustup-toolchain-install-master-1.6.1 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 rustup-toolchain-install-master-1.6.1
[INFO] finished frobbing rustup-toolchain-install-master-1.6.1
[INFO] frobbed toml for rustup-toolchain-install-master-1.6.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-toolchain-install-master/1.6.1/Cargo.toml
[INFO] started frobbing rustup-toolchain-install-master-1.6.1
[INFO] finished frobbing rustup-toolchain-install-master-1.6.1
[INFO] frobbed toml for rustup-toolchain-install-master-1.6.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/rustup-toolchain-install-master/1.6.1/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] testing rustup-toolchain-install-master-1.6.1 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-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-toolchain-install-master/1.6.1:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] e72fde4027895286bc89f49ad32ddcbcd671a7b3e280f2b4bc14f31df0117e84
[INFO] running `"docker" "start" "-a" "e72fde4027895286bc89f49ad32ddcbcd671a7b3e280f2b4bc14f31df0117e84"`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling rustup-toolchain-install-master v1.6.1 (/opt/crater/workdir)
[INFO] [stderr]    Compiling home v0.3.4
[INFO] [stderr]    Compiling tee v0.1.0
[INFO] [stderr]    Compiling lzma-sys v0.1.14
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.20
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:455:23
[INFO] [stderr]     |
[INFO] [stderr] 455 | fn report_error(err: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[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/main.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 | fn report_warn(warn: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut lock = err.lock();
[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 34.68s
[INFO] running `"docker" "inspect" "e72fde4027895286bc89f49ad32ddcbcd671a7b3e280f2b4bc14f31df0117e84"`
[INFO] running `"docker" "rm" "-f" "e72fde4027895286bc89f49ad32ddcbcd671a7b3e280f2b4bc14f31df0117e84"`
[INFO] [stdout] e72fde4027895286bc89f49ad32ddcbcd671a7b3e280f2b4bc14f31df0117e84
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-toolchain-install-master/1.6.1:/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" "+1.37.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] b970eb3330c9106188dfc28a33702682eceb0f0ff27fae82997d815dac1dce3b
[INFO] running `"docker" "start" "-a" "b970eb3330c9106188dfc28a33702682eceb0f0ff27fae82997d815dac1dce3b"`
[INFO] [stderr]    Compiling rustup-toolchain-install-master v1.6.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:455:23
[INFO] [stderr]     |
[INFO] [stderr] 455 | fn report_error(err: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[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/main.rs:463:23
[INFO] [stderr]     |
[INFO] [stderr] 463 | fn report_warn(warn: &Fail) {
[INFO] [stderr]     |                       ^^^^ help: use `dyn`: `dyn Fail`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:159:13
[INFO] [stderr]     |
[INFO] [stderr] 159 |         let mut lock = err.lock();
[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 1.37s
[INFO] running `"docker" "inspect" "b970eb3330c9106188dfc28a33702682eceb0f0ff27fae82997d815dac1dce3b"`
[INFO] running `"docker" "rm" "-f" "b970eb3330c9106188dfc28a33702682eceb0f0ff27fae82997d815dac1dce3b"`
[INFO] [stdout] b970eb3330c9106188dfc28a33702682eceb0f0ff27fae82997d815dac1dce3b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-2/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/rustup-toolchain-install-master/1.6.1:/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" "+1.37.0" "test" "--frozen"`
[INFO] [stdout] b9d255cf73c783865bfc8ca7cbad59687d5d6786e151ee8ebf3012632c4fe302
[INFO] running `"docker" "start" "-a" "b9d255cf73c783865bfc8ca7cbad59687d5d6786e151ee8ebf3012632c4fe302"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.16s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_toolchain_install_master-055a69bdd9beb77e
[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" "b9d255cf73c783865bfc8ca7cbad59687d5d6786e151ee8ebf3012632c4fe302"`
[INFO] running `"docker" "rm" "-f" "b9d255cf73c783865bfc8ca7cbad59687d5d6786e151ee8ebf3012632c4fe302"`
[INFO] [stdout] b9d255cf73c783865bfc8ca7cbad59687d5d6786e151ee8ebf3012632c4fe302