[INFO] fetching crate polywrap_plugin_implementor 0.1.11...
[INFO] testing polywrap_plugin_implementor-0.1.11 against master#caccb4d0368bd918ef6668af8e13834d07040417 for pr-146098-1
[INFO] extracting crate polywrap_plugin_implementor 0.1.11 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate polywrap_plugin_implementor 0.1.11
[INFO] finished tweaking crates.io crate polywrap_plugin_implementor 0.1.11
[INFO] tweaked toml for crates.io crate polywrap_plugin_implementor 0.1.11 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polywrap_plugin_implementor 0.1.11 on toolchain caccb4d0368bd918ef6668af8e13834d07040417
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "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" "+caccb4d0368bd918ef6668af8e13834d07040417" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 167 packages to latest compatible versions
[INFO] [stderr]       Adding syn v1.0.109 (available: v2.0.106)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+caccb4d0368bd918ef6668af8e13834d07040417" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded polywrap_schemafy_lib v0.1.0
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded iso8601 v0.5.1
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded polywrap_msgpack_serde v0.0.2
[INFO] [stderr]   Downloaded rustls-webpki v0.103.7
[INFO] [stderr]   Downloaded polywrap_schemafy v0.1.1
[INFO] [stderr]   Downloaded polywrap_core_macros v0.1.11
[INFO] [stderr]   Downloaded handlebars v4.5.0
[INFO] [stderr]   Downloaded fancy-regex v0.10.0
[INFO] [stderr]   Downloaded jsonschema v0.16.1
[INFO] [stderr]   Downloaded fraction v0.12.2
[INFO] [stderr]   Downloaded polywrap-jsonref v0.1.0
[INFO] [stderr]   Downloaded schemafy_core v0.6.0
[INFO] [stderr]   Downloaded polywrap_core v0.1.11
[INFO] [stderr]   Downloaded wrap_manifest_schemas v0.1.11
[INFO] [stderr]   Downloaded polywrap_uri v0.1.11
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c211b829accbf0f40900aa1d633836e6dbea0241f67e7b0492212e0854bee042
[INFO] running `Command { std: "docker" "start" "-a" "c211b829accbf0f40900aa1d633836e6dbea0241f67e7b0492212e0854bee042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c211b829accbf0f40900aa1d633836e6dbea0241f67e7b0492212e0854bee042", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c211b829accbf0f40900aa1d633836e6dbea0241f67e7b0492212e0854bee042", kill_on_drop: false }`
[INFO] [stdout] c211b829accbf0f40900aa1d633836e6dbea0241f67e7b0492212e0854bee042
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 343d6ca940f2be360d8ac3dd1bd2db775a9b18a6adbfc750562b3df19807b5ee
[INFO] running `Command { std: "docker" "start" "-a" "343d6ca940f2be360d8ac3dd1bd2db775a9b18a6adbfc750562b3df19807b5ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.7.6
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[INFO] [stderr]    Compiling bit-set v0.5.3
[INFO] [stderr]    Compiling time-macros v0.2.24
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[INFO] [stderr]    Compiling deranged v0.5.4
[INFO] [stderr]    Compiling tinystr v0.8.1
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[INFO] [stderr]    Compiling potential_utf v0.1.3
[INFO] [stderr]    Compiling webpki-roots v0.26.11
[INFO] [stderr]    Compiling icu_collections v2.0.0
[INFO] [stderr]    Compiling flate2 v1.1.2
[INFO] [stderr]    Compiling pest_meta v2.8.2
[INFO] [stderr]    Compiling encoding_rs v0.8.35
[INFO] [stderr]    Compiling icu_provider v2.0.0
[INFO] [stderr]    Compiling icu_normalizer v2.0.0
[INFO] [stderr]    Compiling icu_properties v2.0.1
[INFO] [stderr]    Compiling base64 v0.22.1
[INFO] [stderr]    Compiling pest_generator v2.8.2
[INFO] [stderr]    Compiling num-bigint v0.4.6
[INFO] [stderr]    Compiling schemafy_core v0.6.0
[INFO] [stderr]    Compiling polywrap_schemafy_lib v0.1.0
[INFO] [stderr]    Compiling time v0.3.44
[INFO] [stderr]    Compiling pest_derive v2.8.2
[INFO] [stderr]    Compiling idna_adapter v1.2.1
[INFO] [stderr]    Compiling idna v1.1.0
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling snafu v0.6.10
[INFO] [stderr]    Compiling url v2.5.7
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling polywrap_schemafy v0.1.1
[INFO] [stderr]    Compiling bigdecimal v0.3.1
[INFO] [stderr]    Compiling iso8601 v0.5.1
[INFO] [stderr]    Compiling num v0.4.3
[INFO] [stderr]    Compiling fraction v0.12.2
[INFO] [stderr]    Compiling ureq v2.12.1
[INFO] [stderr]    Compiling fancy-regex v0.10.0
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling serde_bytes v0.11.19
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling num-cmp v0.1.0
[INFO] [stderr]    Compiling base64 v0.13.1
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling uuid v1.18.1
[INFO] [stderr]    Compiling polywrap-jsonref v0.1.0
[INFO] [stderr]    Compiling polywrap_msgpack_serde v0.0.2
[INFO] [stderr]    Compiling handlebars v4.5.0
[INFO] [stderr]    Compiling polywrap_uri v0.1.11
[INFO] [stderr]    Compiling jsonschema v0.16.1
[INFO] [stderr]    Compiling semver v1.0.27
[INFO] [stderr]    Compiling polywrap_core_macros v0.1.11
[INFO] [stderr]    Compiling wrap_manifest_schemas v0.1.11
[INFO] [stderr]    Compiling polywrap_core v0.1.11
[INFO] [stderr]    Compiling polywrap_plugin_implementor v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output_is_option`
[INFO] [stdout]   --> src/lib.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |         |(_, (ident, ident_str, output_is_option, env_is_option))| {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_is_option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 32s
[INFO] running `Command { std: "docker" "inspect" "343d6ca940f2be360d8ac3dd1bd2db775a9b18a6adbfc750562b3df19807b5ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "343d6ca940f2be360d8ac3dd1bd2db775a9b18a6adbfc750562b3df19807b5ee", kill_on_drop: false }`
[INFO] [stdout] 343d6ca940f2be360d8ac3dd1bd2db775a9b18a6adbfc750562b3df19807b5ee
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] abf298469e46d52d1532ed1f0815527077b91662626bb80bac867c8cae8cc4c3
[INFO] running `Command { std: "docker" "start" "-a" "abf298469e46d52d1532ed1f0815527077b91662626bb80bac867c8cae8cc4c3", kill_on_drop: false }`
[INFO] [stderr]    Compiling polywrap_plugin_implementor v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `output_is_option`
[INFO] [stdout]   --> src/lib.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |         |(_, (ident, ident_str, output_is_option, env_is_option))| {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_is_option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output_is_option`
[INFO] [stdout]   --> src/lib.rs:73:33
[INFO] [stdout]    |
[INFO] [stdout] 73 |         |(_, (ident, ident_str, output_is_option, env_is_option))| {
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_is_option`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "abf298469e46d52d1532ed1f0815527077b91662626bb80bac867c8cae8cc4c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "abf298469e46d52d1532ed1f0815527077b91662626bb80bac867c8cae8cc4c3", kill_on_drop: false }`
[INFO] [stdout] abf298469e46d52d1532ed1f0815527077b91662626bb80bac867c8cae8cc4c3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "+caccb4d0368bd918ef6668af8e13834d07040417" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d1bb7ca8a0846b4553d8e9cba193f0964ce2710eac212d465703e6d0135eaad8
[INFO] running `Command { std: "docker" "start" "-a" "d1bb7ca8a0846b4553d8e9cba193f0964ce2710eac212d465703e6d0135eaad8", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `output_is_option`
[INFO] [stderr]   --> src/lib.rs:73:33
[INFO] [stderr]    |
[INFO] [stderr] 73 |         |(_, (ident, ident_str, output_is_option, env_is_option))| {
[INFO] [stderr]    |                                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_output_is_option`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `polywrap_plugin_implementor` (lib) generated 1 warning
[INFO] [stderr] warning: `polywrap_plugin_implementor` (lib test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.17s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/polywrap_plugin_implementor-f0ea11a8fbd45f8f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stderr]    Doc-tests polywrap_plugin_implementor
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d1bb7ca8a0846b4553d8e9cba193f0964ce2710eac212d465703e6d0135eaad8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d1bb7ca8a0846b4553d8e9cba193f0964ce2710eac212d465703e6d0135eaad8", kill_on_drop: false }`
[INFO] [stdout] d1bb7ca8a0846b4553d8e9cba193f0964ce2710eac212d465703e6d0135eaad8