[INFO] fetching crate cargo-download 0.1.2...
[INFO] extracting crate cargo-download 0.1.2 into work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cargo-download/0.1.2
[INFO] extracting crate cargo-download 0.1.2 into work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/cargo-download/0.1.2
[INFO] validating manifest of cargo-download-0.1.2 on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of cargo-download-0.1.2 on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing cargo-download-0.1.2
[INFO] finished frobbing cargo-download-0.1.2
[INFO] frobbed toml for cargo-download-0.1.2 written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cargo-download/0.1.2/Cargo.toml
[INFO] started frobbing cargo-download-0.1.2
[INFO] finished frobbing cargo-download-0.1.2
[INFO] frobbed toml for cargo-download-0.1.2 written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/reg/cargo-download/0.1.2/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] testing cargo-download-0.1.2 against master#c8865d8e195813ade6b84434ac9f8850e7112d1a for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cargo-download/0.1.2:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "build" "--frozen"`
[INFO] [stdout] 4aa74cb473fbdd0aa081102f5e69f484fa25547e6bfb18e29137d8b891aba8d0
[INFO] running `"docker" "start" "-a" "4aa74cb473fbdd0aa081102f5e69f484fa25547e6bfb18e29137d8b891aba8d0"`
[INFO] [stderr]    Compiling slog v1.7.1
[INFO] [stderr]    Compiling itertools v0.6.5
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]    Compiling slog-extra v0.1.2
[INFO] [stderr]    Compiling slog-stream v1.2.1
[INFO] [stderr]    Compiling slog-term v1.5.0
[INFO] [stderr]    Compiling slog-stdlog v1.1.0
[INFO] [stderr]    Compiling slog-envlogger v0.5.0
[INFO] [stderr]    Compiling cargo-download v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/args.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logging.rs:104:35
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn format(&self, output: &mut io::Write,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:62
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:73
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.19s
[INFO] running `"docker" "inspect" "4aa74cb473fbdd0aa081102f5e69f484fa25547e6bfb18e29137d8b891aba8d0"`
[INFO] running `"docker" "rm" "-f" "4aa74cb473fbdd0aa081102f5e69f484fa25547e6bfb18e29137d8b891aba8d0"`
[INFO] [stdout] 4aa74cb473fbdd0aa081102f5e69f484fa25547e6bfb18e29137d8b891aba8d0
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cargo-download/0.1.2:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] f61dbee16468400ff20774e5d9cbf5f5fd9cf1032360749115708bfa8b999ba6
[INFO] running `"docker" "start" "-a" "f61dbee16468400ff20774e5d9cbf5f5fd9cf1032360749115708bfa8b999ba6"`
[INFO] [stderr]    Compiling cargo-download v0.1.2 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/args.rs:233:32
[INFO] [stderr]     |
[INFO] [stderr] 233 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[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/args.rs:267:32
[INFO] [stderr]     |
[INFO] [stderr] 267 |     fn cause(&self) -> Option<&Error> {
[INFO] [stderr]     |                                ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/logging.rs:104:35
[INFO] [stderr]     |
[INFO] [stderr] 104 |     fn format(&self, output: &mut io::Write,
[INFO] [stderr]     |                                   ^^^^^^^^^ help: use `dyn`: `dyn io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:158:62
[INFO] [stderr]     |
[INFO] [stderr] 158 | fn get_newest_version(crate_: &Crate) -> Result<Version, Box<Error>> {
[INFO] [stderr]     |                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:185:73
[INFO] [stderr]     |
[INFO] [stderr] 185 | fn download_crate(name: &str, version: &Version) -> Result<Vec<u8>, Box<Error>> {
[INFO] [stderr]     |                                                                         ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.20s
[INFO] running `"docker" "inspect" "f61dbee16468400ff20774e5d9cbf5f5fd9cf1032360749115708bfa8b999ba6"`
[INFO] running `"docker" "rm" "-f" "f61dbee16468400ff20774e5d9cbf5f5fd9cf1032360749115708bfa8b999ba6"`
[INFO] [stdout] f61dbee16468400ff20774e5d9cbf5f5fd9cf1032360749115708bfa8b999ba6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-2/master#c8865d8e195813ade6b84434ac9f8850e7112d1a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/reg/cargo-download/0.1.2:/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=forbid" "-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" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "test" "--frozen"`
[INFO] [stdout] 0cc5507a8886e684b145cdce69e66a5fba608a10b830d224ca95d58c6d3cb752
[INFO] running `"docker" "start" "-a" "0cc5507a8886e684b145cdce69e66a5fba608a10b830d224ca95d58c6d3cb752"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/cargo_download-cc2fddf9799f8969
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test logging::tests::verbosity_levels ... ok
[INFO] [stdout] test logging::tests::default_level ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0cc5507a8886e684b145cdce69e66a5fba608a10b830d224ca95d58c6d3cb752"`
[INFO] running `"docker" "rm" "-f" "0cc5507a8886e684b145cdce69e66a5fba608a10b830d224ca95d58c6d3cb752"`
[INFO] [stdout] 0cc5507a8886e684b145cdce69e66a5fba608a10b830d224ca95d58c6d3cb752