[INFO] updating cached repository sharkdp/lucid
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/sharkdp/lucid
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/sharkdp/lucid" "work/ex/beta-1.38-1/sources/1.37.0/gh/sharkdp/lucid"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/sharkdp/lucid'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/sharkdp/lucid" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 625a065ca9dd3f2bc6bd12d928bf0a358bc8b0a7
[INFO] sha for GitHub repo sharkdp/lucid: 625a065ca9dd3f2bc6bd12d928bf0a358bc8b0a7
[INFO] validating manifest of sharkdp/lucid 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 sharkdp/lucid 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 sharkdp/lucid
[INFO] finished frobbing sharkdp/lucid
[INFO] frobbed toml for sharkdp/lucid written to work/ex/beta-1.38-1/sources/1.37.0/gh/sharkdp/lucid/Cargo.toml
[INFO] started frobbing sharkdp/lucid
[INFO] finished frobbing sharkdp/lucid
[INFO] frobbed toml for sharkdp/lucid written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid/Cargo.toml
[INFO] crate sharkdp/lucid already has a lockfile, it will not be regenerated
[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 sharkdp/lucid 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-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid:/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] 2fe46913118feb51885678224b40868bc817625af3277a3029e1b216fed63309
[INFO] running `"docker" "start" "-a" "2fe46913118feb51885678224b40868bc817625af3277a3029e1b216fed63309"`
[INFO] [stderr]    Compiling nix v0.14.1
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling ctrlc v3.1.3
[INFO] [stderr]    Compiling lucid v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut handle: Box<Write> = if self.print_to_stderr {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 27.82s
[INFO] running `"docker" "inspect" "2fe46913118feb51885678224b40868bc817625af3277a3029e1b216fed63309"`
[INFO] running `"docker" "rm" "-f" "2fe46913118feb51885678224b40868bc817625af3277a3029e1b216fed63309"`
[INFO] [stdout] 2fe46913118feb51885678224b40868bc817625af3277a3029e1b216fed63309
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid:/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] 83b2896d0b797c1aefd38f3fc5b0cca5513bcc697ac30a11f658c13f945790b4
[INFO] running `"docker" "start" "-a" "83b2896d0b797c1aefd38f3fc5b0cca5513bcc697ac30a11f658c13f945790b4"`
[INFO] [stderr]    Compiling lucid v0.3.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:82:29
[INFO] [stderr]    |
[INFO] [stderr] 82 |         let mut handle: Box<Write> = if self.print_to_stderr {
[INFO] [stderr]    |                             ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.78s
[INFO] running `"docker" "inspect" "83b2896d0b797c1aefd38f3fc5b0cca5513bcc697ac30a11f658c13f945790b4"`
[INFO] running `"docker" "rm" "-f" "83b2896d0b797c1aefd38f3fc5b0cca5513bcc697ac30a11f658c13f945790b4"`
[INFO] [stdout] 83b2896d0b797c1aefd38f3fc5b0cca5513bcc697ac30a11f658c13f945790b4
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/sharkdp/lucid:/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] 4b089b1330d4d665c267eb05691af3c745b7c6e3069aadcee629540875078a9d
[INFO] running `"docker" "start" "-a" "4b089b1330d4d665c267eb05691af3c745b7c6e3069aadcee629540875078a9d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/lucid-3fcbab07bcdcb2e0
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test test_duration_from_float ... ok
[INFO] [stdout] test test_verbosity_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" "4b089b1330d4d665c267eb05691af3c745b7c6e3069aadcee629540875078a9d"`
[INFO] running `"docker" "rm" "-f" "4b089b1330d4d665c267eb05691af3c745b7c6e3069aadcee629540875078a9d"`
[INFO] [stdout] 4b089b1330d4d665c267eb05691af3c745b7c6e3069aadcee629540875078a9d