[INFO] updating cached repository ThomasColliers/mtmigrate
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ThomasColliers/mtmigrate
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasColliers/mtmigrate" "work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasColliers/mtmigrate" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasColliers/mtmigrate"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasColliers/mtmigrate'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2013f5f38156705c3cb63ed7f0f61a25ce49af76
[INFO] sha for GitHub repo ThomasColliers/mtmigrate: 2013f5f38156705c3cb63ed7f0f61a25ce49af76
[INFO] validating manifest of ThomasColliers/mtmigrate 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 ThomasColliers/mtmigrate 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 ThomasColliers/mtmigrate
[INFO] finished frobbing ThomasColliers/mtmigrate
[INFO] frobbed toml for ThomasColliers/mtmigrate written to work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate/Cargo.toml
[INFO] started frobbing ThomasColliers/mtmigrate
[INFO] finished frobbing ThomasColliers/mtmigrate
[INFO] frobbed toml for ThomasColliers/mtmigrate written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/ThomasColliers/mtmigrate/Cargo.toml
[INFO] crate ThomasColliers/mtmigrate 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 ThomasColliers/mtmigrate 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-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate:/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] 541c50236f9fcb981d6bcd42f4106e65f5e8bb01b6e8e1af16e718a3b7a25950
[INFO] running `"docker" "start" "-a" "541c50236f9fcb981d6bcd42f4106e65f5e8bb01b6e8e1af16e718a3b7a25950"`
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]    Compiling byte-tools v0.2.0
[INFO] [stderr]    Compiling num-integer v0.1.36
[INFO] [stderr]    Compiling atty v0.2.8
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.0
[INFO] [stderr]    Compiling generic-array v0.9.0
[INFO] [stderr]    Compiling block-buffer v0.3.3
[INFO] [stderr]    Compiling clap v2.31.1
[INFO] [stderr]    Compiling num-bigint v0.1.43
[INFO] [stderr]    Compiling num-iter v0.1.35
[INFO] [stderr]    Compiling digest v0.7.2
[INFO] [stderr]    Compiling sha-1 v0.7.0
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling preferences v1.1.0
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling chrono v0.2.25
[INFO] [stderr]    Compiling bip_util v0.5.0
[INFO] [stderr]    Compiling backtrace v0.3.5
[INFO] [stderr]    Compiling error-chain v0.11.0
[INFO] [stderr]    Compiling bip_bencode v0.4.4
[INFO] [stderr]    Compiling bip_metainfo v0.12.0
[INFO] [stderr]    Compiling mtmigrate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration/mod.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub type MigrationError = Box<::std::error::Error>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 01s
[INFO] running `"docker" "inspect" "541c50236f9fcb981d6bcd42f4106e65f5e8bb01b6e8e1af16e718a3b7a25950"`
[INFO] running `"docker" "rm" "-f" "541c50236f9fcb981d6bcd42f4106e65f5e8bb01b6e8e1af16e718a3b7a25950"`
[INFO] [stdout] 541c50236f9fcb981d6bcd42f4106e65f5e8bb01b6e8e1af16e718a3b7a25950
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate:/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] 3d2b6e853b26714a94a1e1f2a4a82eb546b29d7ec2d6c7f23f1fdc1453061d6e
[INFO] running `"docker" "start" "-a" "3d2b6e853b26714a94a1e1f2a4a82eb546b29d7ec2d6c7f23f1fdc1453061d6e"`
[INFO] [stderr]    Compiling mtmigrate v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/migration/mod.rs:17:31
[INFO] [stderr]    |
[INFO] [stderr] 17 | pub type MigrationError = Box<::std::error::Error>;
[INFO] [stderr]    |                               ^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn (::std::error::Error)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.44s
[INFO] running `"docker" "inspect" "3d2b6e853b26714a94a1e1f2a4a82eb546b29d7ec2d6c7f23f1fdc1453061d6e"`
[INFO] running `"docker" "rm" "-f" "3d2b6e853b26714a94a1e1f2a4a82eb546b29d7ec2d6c7f23f1fdc1453061d6e"`
[INFO] [stdout] 3d2b6e853b26714a94a1e1f2a4a82eb546b29d7ec2d6c7f23f1fdc1453061d6e
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-1/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/ThomasColliers/mtmigrate:/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] 703df198c3949c012d854b7ef9a3ec2ce9380a926935ad116ac4cc9678ce06ef
[INFO] running `"docker" "start" "-a" "703df198c3949c012d854b7ef9a3ec2ce9380a926935ad116ac4cc9678ce06ef"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/mtmigrate-4060a795d8893687
[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" "703df198c3949c012d854b7ef9a3ec2ce9380a926935ad116ac4cc9678ce06ef"`
[INFO] running `"docker" "rm" "-f" "703df198c3949c012d854b7ef9a3ec2ce9380a926935ad116ac4cc9678ce06ef"`
[INFO] [stdout] 703df198c3949c012d854b7ef9a3ec2ce9380a926935ad116ac4cc9678ce06ef