[INFO] fetching crate heel-gun 0.1.1...
[INFO] extracting crate heel-gun 0.1.1 into work/ex/beta-1.37-6/sources/1.36.0/reg/heel-gun/0.1.1
[INFO] extracting crate heel-gun 0.1.1 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/heel-gun/0.1.1
[INFO] validating manifest of heel-gun-0.1.1 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 heel-gun-0.1.1 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 heel-gun-0.1.1
[INFO] finished frobbing heel-gun-0.1.1
[INFO] frobbed toml for heel-gun-0.1.1 written to work/ex/beta-1.37-6/sources/1.36.0/reg/heel-gun/0.1.1/Cargo.toml
[INFO] started frobbing heel-gun-0.1.1
[INFO] finished frobbing heel-gun-0.1.1
[INFO] frobbed toml for heel-gun-0.1.1 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/heel-gun/0.1.1/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] [stderr]     Blocking waiting for file lock on package cache lock
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing heel-gun-0.1.1 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/heel-gun/0.1.1:/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-2019-07-23" "build" "--frozen"`
[INFO] [stdout] fffde164bc0444c114606e49ebbdd220bea034be12de251a4d12add9576d2326
[INFO] running `"docker" "start" "-a" "fffde164bc0444c114606e49ebbdd220bea034be12de251a4d12add9576d2326"`
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling bstr v0.2.6
[INFO] [stderr]    Compiling serde_yaml v0.8.9
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling csv v1.1.1
[INFO] [stderr]    Compiling heel-gun v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type DynError = Box<std::error::Error + Send + Sync>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 35.31s
[INFO] running `"docker" "inspect" "fffde164bc0444c114606e49ebbdd220bea034be12de251a4d12add9576d2326"`
[INFO] running `"docker" "rm" "-f" "fffde164bc0444c114606e49ebbdd220bea034be12de251a4d12add9576d2326"`
[INFO] [stdout] fffde164bc0444c114606e49ebbdd220bea034be12de251a4d12add9576d2326
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/heel-gun/0.1.1:/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-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] cc2aee7a6087dd661b3a34b488dae69592c1e61d5dba9ecd74ed4a419539c1f6
[INFO] running `"docker" "start" "-a" "cc2aee7a6087dd661b3a34b488dae69592c1e61d5dba9ecd74ed4a419539c1f6"`
[INFO] [stderr]    Compiling heel-gun v0.1.1 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:11:25
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub type DynError = Box<std::error::Error + Send + Sync>;
[INFO] [stderr]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error + Send + Sync`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.26s
[INFO] running `"docker" "inspect" "cc2aee7a6087dd661b3a34b488dae69592c1e61d5dba9ecd74ed4a419539c1f6"`
[INFO] running `"docker" "rm" "-f" "cc2aee7a6087dd661b3a34b488dae69592c1e61d5dba9ecd74ed4a419539c1f6"`
[INFO] [stdout] cc2aee7a6087dd661b3a34b488dae69592c1e61d5dba9ecd74ed4a419539c1f6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-6/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/heel-gun/0.1.1:/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-2019-07-23" "test" "--frozen"`
[INFO] [stdout] 12516689275f1e81643972aa0b531e354be53e3ce81b00269a3c9b0c8006631d
[INFO] running `"docker" "start" "-a" "12516689275f1e81643972aa0b531e354be53e3ce81b00269a3c9b0c8006631d"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/heel_gun-b9b92479d5d47247
[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" "12516689275f1e81643972aa0b531e354be53e3ce81b00269a3c9b0c8006631d"`
[INFO] running `"docker" "rm" "-f" "12516689275f1e81643972aa0b531e354be53e3ce81b00269a3c9b0c8006631d"`
[INFO] [stdout] 12516689275f1e81643972aa0b531e354be53e3ce81b00269a3c9b0c8006631d