[INFO] fetching crate numbat-codec 0.0.17...
[INFO] building numbat-codec-0.0.17 against try#4987e9d4227139400384ab59296ffee3b0fb1183 for pr-146237-2
[INFO] extracting crate numbat-codec 0.0.17 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate numbat-codec 0.0.17
[INFO] finished tweaking crates.io crate numbat-codec 0.0.17
[INFO] tweaked toml for crates.io crate numbat-codec 0.0.17 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate numbat-codec 0.0.17 on toolchain 4987e9d4227139400384ab59296ffee3b0fb1183
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 14 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.7.1 (available: v0.7.6)
[INFO] [stderr]       Adding libc v0.2.64 (available: v0.2.176)
[INFO] [stderr]       Adding numbat-codec-derive v0.0.17 (available: v0.0.19)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a47af60adaa4d3d113d5918c1eb0c10790ac7b207f4de549fe50727d2d93b9c7
[INFO] running `Command { std: "docker" "start" "-a" "a47af60adaa4d3d113d5918c1eb0c10790ac7b207f4de549fe50727d2d93b9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a47af60adaa4d3d113d5918c1eb0c10790ac7b207f4de549fe50727d2d93b9c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a47af60adaa4d3d113d5918c1eb0c10790ac7b207f4de549fe50727d2d93b9c7", kill_on_drop: false }`
[INFO] [stdout] a47af60adaa4d3d113d5918c1eb0c10790ac7b207f4de549fe50727d2d93b9c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f824139c7f46a94534b412a827882cd61732edd2989b335b92c4961dab3d3196
[INFO] running `Command { std: "docker" "start" "-a" "f824139c7f46a94534b412a827882cd61732edd2989b335b92c4961dab3d3196", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.64
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]    Compiling memory_units v0.4.0
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling numbat-codec v0.0.17 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.64s
[INFO] running `Command { std: "docker" "inspect" "f824139c7f46a94534b412a827882cd61732edd2989b335b92c4961dab3d3196", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f824139c7f46a94534b412a827882cd61732edd2989b335b92c4961dab3d3196", kill_on_drop: false }`
[INFO] [stdout] f824139c7f46a94534b412a827882cd61732edd2989b335b92c4961dab3d3196
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+4987e9d4227139400384ab59296ffee3b0fb1183" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12e21c0b4aa7ad0d796334ed98f737cf13886cb8480c975ed747b5cee3f3c1a1
[INFO] running `Command { std: "docker" "start" "-a" "12e21c0b4aa7ad0d796334ed98f737cf13886cb8480c975ed747b5cee3f3c1a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling hex v0.4.3
[INFO] [stderr]    Compiling numbat-codec-derive v0.0.17
[INFO] [stderr]    Compiling numbat-codec v0.0.17 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `simple_function` is never used
[INFO] [stdout]   --> tests/derive_struct_with_generic_test.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout] 12 | trait SimpleTrait {
[INFO] [stdout]    |       ----------- method in this trait
[INFO] [stdout] 13 |     fn simple_function(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 9.96s
[INFO] running `Command { std: "docker" "inspect" "12e21c0b4aa7ad0d796334ed98f737cf13886cb8480c975ed747b5cee3f3c1a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12e21c0b4aa7ad0d796334ed98f737cf13886cb8480c975ed747b5cee3f3c1a1", kill_on_drop: false }`
[INFO] [stdout] 12e21c0b4aa7ad0d796334ed98f737cf13886cb8480c975ed747b5cee3f3c1a1