[INFO] cloning repository https://github.com/ThomasColliers/mtmigrate
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasColliers/mtmigrate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2013f5f38156705c3cb63ed7f0f61a25ce49af76
[INFO] checking ThomasColliers/mtmigrate against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasColliers%2Fmtmigrate" "/workspace/builds/worker-5/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasColliers/mtmigrate on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "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-5/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] 778e3b52af11726fad95d81e6a842a8b2826642fb0d222c0f638249ea1074f9c
[INFO] running `"docker" "start" "-a" "778e3b52af11726fad95d81e6a842a8b2826642fb0d222c0f638249ea1074f9c"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]    Compiling cc v1.0.6
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking rustc-demangle v0.1.7
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking serde v0.9.15
[INFO] [stderr]     Checking either v1.4.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling rust-crypto v0.2.36
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking num-bigint v0.1.43
[INFO] [stderr]     Checking textwrap v0.9.0
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking sha-1 v0.7.0
[INFO] [stderr]     Checking clap v2.31.1
[INFO] [stderr]     Checking crossbeam-epoch v0.3.0
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking rayon v1.0.1
[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 serde_json v0.9.10
[INFO] [stderr]     Checking preferences v1.1.0
[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] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 42.56s
[INFO] running `"docker" "inspect" "778e3b52af11726fad95d81e6a842a8b2826642fb0d222c0f638249ea1074f9c"`
[INFO] running `"docker" "rm" "-f" "778e3b52af11726fad95d81e6a842a8b2826642fb0d222c0f638249ea1074f9c"`
[INFO] [stdout] 778e3b52af11726fad95d81e6a842a8b2826642fb0d222c0f638249ea1074f9c