[INFO] cloning repository https://github.com/amrx101/serde_examples
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/amrx101/serde_examples" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrx101%2Fserde_examples", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrx101%2Fserde_examples'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1cfdaa3f58052c0d13490e1ae6a398dd49918db4
[INFO] testing amrx101/serde_examples against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Famrx101%2Fserde_examples" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/amrx101/serde_examples on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/amrx101/serde_examples
[INFO] finished tweaking git repo https://github.com/amrx101/serde_examples
[INFO] tweaked toml for git repo https://github.com/amrx101/serde_examples written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/amrx101/serde_examples already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4293a9a579cb3194e83319b3d40acaa204d120ec22144106b2df6a6d68680673
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4293a9a579cb3194e83319b3d40acaa204d120ec22144106b2df6a6d68680673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4293a9a579cb3194e83319b3d40acaa204d120ec22144106b2df6a6d68680673", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4293a9a579cb3194e83319b3d40acaa204d120ec22144106b2df6a6d68680673", kill_on_drop: false }`
[INFO] [stdout] 4293a9a579cb3194e83319b3d40acaa204d120ec22144106b2df6a6d68680673
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7008dd50f7403e473ee74e04d0d365b64e35e91ebc9659f78a1600e314edc945
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7008dd50f7403e473ee74e04d0d365b64e35e91ebc9659f78a1600e314edc945", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling typenum v1.11.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]    Compiling itoa v0.4.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.44
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]    Compiling serde_json v1.0.48
[INFO] [stderr]    Compiling avro-rs v0.6.6
[INFO] [stderr]    Compiling avr_ser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 49.78s
[INFO] running `Command { std: "docker" "inspect" "7008dd50f7403e473ee74e04d0d365b64e35e91ebc9659f78a1600e314edc945", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7008dd50f7403e473ee74e04d0d365b64e35e91ebc9659f78a1600e314edc945", kill_on_drop: false }`
[INFO] [stdout] 7008dd50f7403e473ee74e04d0d365b64e35e91ebc9659f78a1600e314edc945
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 027cc084c05e64a34e93336ff9f324edec8deec3aff7bbecbdc1593ac383b335
[INFO] running `Command { std: "docker" "start" "-a" "027cc084c05e64a34e93336ff9f324edec8deec3aff7bbecbdc1593ac383b335", kill_on_drop: false }`
[INFO] [stderr]    Compiling avr_ser v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "027cc084c05e64a34e93336ff9f324edec8deec3aff7bbecbdc1593ac383b335", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "027cc084c05e64a34e93336ff9f324edec8deec3aff7bbecbdc1593ac383b335", kill_on_drop: false }`
[INFO] [stdout] 027cc084c05e64a34e93336ff9f324edec8deec3aff7bbecbdc1593ac383b335
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 87b8fb1d10cac42f73ec7e62cb72124a1690ff7076de47233cbdf0e21b718f0e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "87b8fb1d10cac42f73ec7e62cb72124a1690ff7076de47233cbdf0e21b718f0e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.08s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/avr_ser-ecbf54f9c80fd3bf
[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 `Command { std: "docker" "inspect" "87b8fb1d10cac42f73ec7e62cb72124a1690ff7076de47233cbdf0e21b718f0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87b8fb1d10cac42f73ec7e62cb72124a1690ff7076de47233cbdf0e21b718f0e", kill_on_drop: false }`
[INFO] [stdout] 87b8fb1d10cac42f73ec7e62cb72124a1690ff7076de47233cbdf0e21b718f0e