[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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ThomasColliers/mtmigrate"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/gh/ThomasColliers/mtmigrate'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ThomasColliers/mtmigrate" "work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/gh/ThomasColliers/mtmigrate"`
[INFO] [stderr] Cloning into 'work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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 master#452087b4bf18cece2d52d7cd8c9147195e5404bf
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ThomasColliers/mtmigrate on toolchain try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "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/pr-63247/sources/master#452087b4bf18cece2d52d7cd8c9147195e5404bf/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/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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" "+452087b4bf18cece2d52d7cd8c9147195e5404bf-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ThomasColliers/mtmigrate against try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab for pr-63247
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-63247/worker-6/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-63247/sources/try#757dacae0a9f1b46b3ab58a1f1232332e8fc7dab/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=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" "+757dacae0a9f1b46b3ab58a1f1232332e8fc7dab-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 1ba30fbf010625c60bd893430a9d9b3d444da3fb831e7932f02a6389e1cd316e
[INFO] running `"docker" "start" "-a" "1ba30fbf010625c60bd893430a9d9b3d444da3fb831e7932f02a6389e1cd316e"`
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking bip_metainfo v0.12.0
[INFO] [stderr]     Checking 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] 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 12.25s
[INFO] running `"docker" "inspect" "1ba30fbf010625c60bd893430a9d9b3d444da3fb831e7932f02a6389e1cd316e"`
[INFO] running `"docker" "rm" "-f" "1ba30fbf010625c60bd893430a9d9b3d444da3fb831e7932f02a6389e1cd316e"`
[INFO] [stdout] 1ba30fbf010625c60bd893430a9d9b3d444da3fb831e7932f02a6389e1cd316e