[INFO] fetching crate imperative-rs-derive 0.3.1...
[INFO] testing imperative-rs-derive-0.3.1 against 1.49.0 for beta-1.50-1
[INFO] extracting crate imperative-rs-derive 0.3.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate imperative-rs-derive 0.3.1 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 crates.io crate imperative-rs-derive 0.3.1
[INFO] finished tweaking crates.io crate imperative-rs-derive 0.3.1
[INFO] tweaked toml for crates.io crate imperative-rs-derive 0.3.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93d2bdb9abf5edcad4dcb30b9fecd6a70c00ddcc5ed08fad54bff9538d5cc108
[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" "93d2bdb9abf5edcad4dcb30b9fecd6a70c00ddcc5ed08fad54bff9538d5cc108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93d2bdb9abf5edcad4dcb30b9fecd6a70c00ddcc5ed08fad54bff9538d5cc108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93d2bdb9abf5edcad4dcb30b9fecd6a70c00ddcc5ed08fad54bff9538d5cc108", kill_on_drop: false }`
[INFO] [stdout] 93d2bdb9abf5edcad4dcb30b9fecd6a70c00ddcc5ed08fad54bff9538d5cc108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69444324ff9825924055a0dbe1c31d00872cd7d16d55b01673bde42872d8d530
[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" "69444324ff9825924055a0dbe1c31d00872cd7d16d55b01673bde42872d8d530", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling imperative-rs-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.86s
[INFO] running `Command { std: "docker" "inspect" "69444324ff9825924055a0dbe1c31d00872cd7d16d55b01673bde42872d8d530", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69444324ff9825924055a0dbe1c31d00872cd7d16d55b01673bde42872d8d530", kill_on_drop: false }`
[INFO] [stdout] 69444324ff9825924055a0dbe1c31d00872cd7d16d55b01673bde42872d8d530
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/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] c3b908a6cef2917f2f000fe0cf297d42e4970191fbde6e685d21037a01c4e93f
[INFO] running `Command { std: "docker" "start" "-a" "c3b908a6cef2917f2f000fe0cf297d42e4970191fbde6e685d21037a01c4e93f", kill_on_drop: false }`
[INFO] [stderr]    Compiling imperative-rs-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.29s
[INFO] running `Command { std: "docker" "inspect" "c3b908a6cef2917f2f000fe0cf297d42e4970191fbde6e685d21037a01c4e93f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3b908a6cef2917f2f000fe0cf297d42e4970191fbde6e685d21037a01c4e93f", kill_on_drop: false }`
[INFO] [stdout] c3b908a6cef2917f2f000fe0cf297d42e4970191fbde6e685d21037a01c4e93f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d319d432055c13147dd2b96addb3dca909460d01365184f145fbff32242a8f77
[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" "d319d432055c13147dd2b96addb3dca909460d01365184f145fbff32242a8f77", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/imperative_rs_derive-ba18febdde2a3a9b
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests imperative-rs-derive
[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] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/instruction.rs - instruction::Opcode::build_encoder (line 588) ... ignored
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 1 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d319d432055c13147dd2b96addb3dca909460d01365184f145fbff32242a8f77", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d319d432055c13147dd2b96addb3dca909460d01365184f145fbff32242a8f77", kill_on_drop: false }`
[INFO] [stdout] d319d432055c13147dd2b96addb3dca909460d01365184f145fbff32242a8f77