[INFO] updating cached repository https://github.com/flavray/avro-rs-ffi
[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] c6b9e7278565a5f3ca5e4159fca2a27f75335586
[INFO] testing flavray/avro-rs-ffi against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflavray%2Favro-rs-ffi" "/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/flavray/avro-rs-ffi on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/flavray/avro-rs-ffi
[INFO] finished tweaking git repo https://github.com/flavray/avro-rs-ffi
[INFO] tweaked toml for git repo https://github.com/flavray/avro-rs-ffi written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/flavray/avro-rs-ffi already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] f149f3630903e13c9836a3731d5164cb36e906a1beb85453b76f9cd240d1f812
[INFO] running `"docker" "start" "-a" "f149f3630903e13c9836a3731d5164cb36e906a1beb85453b76f9cd240d1f812"`
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling iter-read v0.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling backtrace v0.3.8
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling libflate v0.1.15
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling num-integer v0.1.38
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.21
[INFO] [stderr]    Compiling serde-pickle v0.4.1
[INFO] [stderr]    Compiling avro-rs v0.4.1
[INFO] [stderr]    Compiling avro-rs-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut out = format!("stacktrace: {}", error.backtrace()).to_owned();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 55.00s
[INFO] running `"docker" "inspect" "f149f3630903e13c9836a3731d5164cb36e906a1beb85453b76f9cd240d1f812"`
[INFO] running `"docker" "rm" "-f" "f149f3630903e13c9836a3731d5164cb36e906a1beb85453b76f9cd240d1f812"`
[INFO] [stdout] f149f3630903e13c9836a3731d5164cb36e906a1beb85453b76f9cd240d1f812
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stdout] caeceb03210d44f17b6326eb94192f5e5c6ecea24f441b7b9a9ac246ece0f9ec
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "caeceb03210d44f17b6326eb94192f5e5c6ecea24f441b7b9a9ac246ece0f9ec"`
[INFO] [stderr]    Compiling avro-rs-ffi v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut out = format!("stacktrace: {}", error.backtrace()).to_owned();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 4.53s
[INFO] running `"docker" "inspect" "caeceb03210d44f17b6326eb94192f5e5c6ecea24f441b7b9a9ac246ece0f9ec"`
[INFO] running `"docker" "rm" "-f" "caeceb03210d44f17b6326eb94192f5e5c6ecea24f441b7b9a9ac246ece0f9ec"`
[INFO] [stdout] caeceb03210d44f17b6326eb94192f5e5c6ecea24f441b7b9a9ac246ece0f9ec
[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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 66f7c13db0f1d610a2425c51e0c4adb23772518ba90d1b22a8dac6afb0b14c4e
[INFO] running `"docker" "start" "-a" "66f7c13db0f1d610a2425c51e0c4adb23772518ba90d1b22a8dac6afb0b14c4e"`
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/core.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |             let mut out = format!("stacktrace: {}", error.backtrace()).to_owned();
[INFO] [stderr]    |                 ----^^^
[INFO] [stderr]    |                 |
[INFO] [stderr]    |                 help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/avro_rs_ffi-dfc1f5dc6b12cca6
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test avro_utils::tests::pickle_int ... ok
[INFO] [stdout] test avro_utils::tests::pickle_record ... ok
[INFO] [stdout] test tests::full_test2 ... ok
[INFO] [stdout] test tests::full_test ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "66f7c13db0f1d610a2425c51e0c4adb23772518ba90d1b22a8dac6afb0b14c4e"`
[INFO] running `"docker" "rm" "-f" "66f7c13db0f1d610a2425c51e0c4adb23772518ba90d1b22a8dac6afb0b14c4e"`
[INFO] [stdout] 66f7c13db0f1d610a2425c51e0c4adb23772518ba90d1b22a8dac6afb0b14c4e