[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 beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 96871f6213b4453abe5f94d4b4cb4d4186f29606dc72dd3e67dbc03a797d391f
[INFO] running `"docker" "start" "-a" "96871f6213b4453abe5f94d4b4cb4d4186f29606dc72dd3e67dbc03a797d391f"`
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling getrandom v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[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 filetime v0.2.7
[INFO] [stderr]    Compiling pbr v1.0.1
[INFO] [stderr]    Compiling lock_api v0.1.5
[INFO] [stderr]    Compiling tar v0.4.26
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling tokio-reactor v0.1.9
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling xz2 v0.1.6
[INFO] [stderr]    Compiling tokio-tcp v0.1.3
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling hyper v0.12.33
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling tempfile v3.1.0
[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 37.50s
[INFO] running `"docker" "inspect" "96871f6213b4453abe5f94d4b4cb4d4186f29606dc72dd3e67dbc03a797d391f"`
[INFO] running `"docker" "rm" "-f" "96871f6213b4453abe5f94d4b4cb4d4186f29606dc72dd3e67dbc03a797d391f"`
[INFO] [stdout] 96871f6213b4453abe5f94d4b4cb4d4186f29606dc72dd3e67dbc03a797d391f
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] b9fa1a371e33ff58a5b4d619af7108bdff88a6ef0547b77625e17dde08b940a0
[INFO] running `"docker" "start" "-a" "b9fa1a371e33ff58a5b4d619af7108bdff88a6ef0547b77625e17dde08b940a0"`
[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 1.14s
[INFO] running `"docker" "inspect" "b9fa1a371e33ff58a5b4d619af7108bdff88a6ef0547b77625e17dde08b940a0"`
[INFO] running `"docker" "rm" "-f" "b9fa1a371e33ff58a5b4d619af7108bdff88a6ef0547b77625e17dde08b940a0"`
[INFO] [stdout] b9fa1a371e33ff58a5b4d619af7108bdff88a6ef0547b77625e17dde08b940a0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/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" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 455584fee120741d4171dbad6242a396177e96ca81d31bc055ea1b958cc48ddb
[INFO] running `"docker" "start" "-a" "455584fee120741d4171dbad6242a396177e96ca81d31bc055ea1b958cc48ddb"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.19s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/rustup_toolchain_install_master-ef9c300474be25ef
[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" "455584fee120741d4171dbad6242a396177e96ca81d31bc055ea1b958cc48ddb"`
[INFO] running `"docker" "rm" "-f" "455584fee120741d4171dbad6242a396177e96ca81d31bc055ea1b958cc48ddb"`
[INFO] [stdout] 455584fee120741d4171dbad6242a396177e96ca81d31bc055ea1b958cc48ddb