[INFO] fetching crate coupler 0.0.0...
[INFO] testing coupler-0.0.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate coupler 0.0.0 into /workspace/builds/worker-10/source
[INFO] validating manifest of crates.io crate coupler 0.0.0 on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate coupler 0.0.0
[INFO] finished tweaking crates.io crate coupler 0.0.0
[INFO] tweaked toml for crates.io crate coupler 0.0.0 written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 984378eed57fa3db5a82e72c111a3af764e04b27f2e2de0741f87159352be108
[INFO] running `Command { std: "docker" "start" "-a" "984378eed57fa3db5a82e72c111a3af764e04b27f2e2de0741f87159352be108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "984378eed57fa3db5a82e72c111a3af764e04b27f2e2de0741f87159352be108", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "984378eed57fa3db5a82e72c111a3af764e04b27f2e2de0741f87159352be108", kill_on_drop: false }`
[INFO] [stdout] 984378eed57fa3db5a82e72c111a3af764e04b27f2e2de0741f87159352be108
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ed866a94a3cc0630962345ce178d659535c3074088d50500685d65e1e4a5bdfb
[INFO] running `Command { std: "docker" "start" "-a" "ed866a94a3cc0630962345ce178d659535c3074088d50500685d65e1e4a5bdfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling coupler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "ed866a94a3cc0630962345ce178d659535c3074088d50500685d65e1e4a5bdfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ed866a94a3cc0630962345ce178d659535c3074088d50500685d65e1e4a5bdfb", kill_on_drop: false }`
[INFO] [stdout] ed866a94a3cc0630962345ce178d659535c3074088d50500685d65e1e4a5bdfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acf2f61f792eda95b64930b746609e20fd26e43ea7dee304d1be21e1aa9a31ad
[INFO] running `Command { std: "docker" "start" "-a" "acf2f61f792eda95b64930b746609e20fd26e43ea7dee304d1be21e1aa9a31ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling coupler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] [stderr]   Executable unittests src/lib.rs (/opt/rustwide/target/debug/deps/coupler-adb8493c9038c11d)
[INFO] running `Command { std: "docker" "inspect" "acf2f61f792eda95b64930b746609e20fd26e43ea7dee304d1be21e1aa9a31ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acf2f61f792eda95b64930b746609e20fd26e43ea7dee304d1be21e1aa9a31ad", kill_on_drop: false }`
[INFO] [stdout] acf2f61f792eda95b64930b746609e20fd26e43ea7dee304d1be21e1aa9a31ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] aadbabe9c959483ef7777eb2b9edae79917c72498531d7f0fa9c86e6eedeff8b
[INFO] running `Command { std: "docker" "start" "-a" "aadbabe9c959483ef7777eb2b9edae79917c72498531d7f0fa9c86e6eedeff8b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/coupler-adb8493c9038c11d)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests coupler
[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] [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" "aadbabe9c959483ef7777eb2b9edae79917c72498531d7f0fa9c86e6eedeff8b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aadbabe9c959483ef7777eb2b9edae79917c72498531d7f0fa9c86e6eedeff8b", kill_on_drop: false }`
[INFO] [stdout] aadbabe9c959483ef7777eb2b9edae79917c72498531d7f0fa9c86e6eedeff8b