[INFO] updating cached repository https://github.com/ThomasColliers/mtmigrate
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2013f5f38156705c3cb63ed7f0f61a25ce49af76
[INFO] checking ThomasColliers/mtmigrate against try#d27c6c6a469a28343396a8f3ac1c9d403aabda69 for pr-66037
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate" "/workspace/builds/worker-4/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasColliers/mtmigrate on toolchain d27c6c6a469a28343396a8f3ac1c9d403aabda69
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/ThomasColliers/mtmigrate
[INFO] finished tweaking git repo https://github.com/ThomasColliers/mtmigrate
[INFO] tweaked toml for git repo https://github.com/ThomasColliers/mtmigrate written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasColliers/mtmigrate already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+d27c6c6a469a28343396a8f3ac1c9d403aabda69" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3930eecd5abd73cf69ab9128497f47eb3aff4d32afa7d8c7a4f39d9c4f0d86fb
[INFO] running `"docker" "start" "-a" "3930eecd5abd73cf69ab9128497f47eb3aff4d32afa7d8c7a4f39d9c4f0d86fb"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking arrayref v0.3.4
[INFO] [stderr]     Checking num-integer v0.1.36
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking serde_json v0.9.10
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking rayon-core v1.4.0
[INFO] [stderr]     Checking digest v0.7.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking num-iter v0.1.35
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking preferences v1.1.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking chrono v0.2.25
[INFO] [stderr]     Checking bip_util v0.5.0
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bip_bencode v0.4.4
[INFO] [stderr]     Checking bip_metainfo v0.12.0
[INFO] [stderr]     Checking mtmigrate v0.1.0 (/opt/rustwide/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 45.63s
[INFO] running `"docker" "inspect" "3930eecd5abd73cf69ab9128497f47eb3aff4d32afa7d8c7a4f39d9c4f0d86fb"`
[INFO] running `"docker" "rm" "-f" "3930eecd5abd73cf69ab9128497f47eb3aff4d32afa7d8c7a4f39d9c4f0d86fb"`
[INFO] [stdout] 3930eecd5abd73cf69ab9128497f47eb3aff4d32afa7d8c7a4f39d9c4f0d86fb