[INFO] fetching crate coupler 0.0.0...
[INFO] testing coupler-0.0.0 against 1.60.0 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 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 57197287da9d6948de6b9b2b3cb823ce095952fc2401cb9ea11ebe92e3ec1149
[INFO] running `Command { std: "docker" "start" "-a" "57197287da9d6948de6b9b2b3cb823ce095952fc2401cb9ea11ebe92e3ec1149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "57197287da9d6948de6b9b2b3cb823ce095952fc2401cb9ea11ebe92e3ec1149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "57197287da9d6948de6b9b2b3cb823ce095952fc2401cb9ea11ebe92e3ec1149", kill_on_drop: false }`
[INFO] [stdout] 57197287da9d6948de6b9b2b3cb823ce095952fc2401cb9ea11ebe92e3ec1149
[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" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5f91df1d015b095b191b53cba033236ecacc70fe2ccfdc3a4da50c5ba391b8
[INFO] running `Command { std: "docker" "start" "-a" "fa5f91df1d015b095b191b53cba033236ecacc70fe2ccfdc3a4da50c5ba391b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling coupler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "fa5f91df1d015b095b191b53cba033236ecacc70fe2ccfdc3a4da50c5ba391b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5f91df1d015b095b191b53cba033236ecacc70fe2ccfdc3a4da50c5ba391b8", kill_on_drop: false }`
[INFO] [stdout] fa5f91df1d015b095b191b53cba033236ecacc70fe2ccfdc3a4da50c5ba391b8
[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" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040e2825f2cba2239ef2a2b4fd5a63c25feee6da2e85b7c9a6469353f7315e3b
[INFO] running `Command { std: "docker" "start" "-a" "040e2825f2cba2239ef2a2b4fd5a63c25feee6da2e85b7c9a6469353f7315e3b", kill_on_drop: false }`
[INFO] [stderr]    Compiling coupler v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.28s
[INFO] running `Command { std: "docker" "inspect" "040e2825f2cba2239ef2a2b4fd5a63c25feee6da2e85b7c9a6469353f7315e3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040e2825f2cba2239ef2a2b4fd5a63c25feee6da2e85b7c9a6469353f7315e3b", kill_on_drop: false }`
[INFO] [stdout] 040e2825f2cba2239ef2a2b4fd5a63c25feee6da2e85b7c9a6469353f7315e3b
[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" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] a48d976a4b60c0f24ce496a02fc98fccad5275e5746d707471782e555b334103
[INFO] running `Command { std: "docker" "start" "-a" "a48d976a4b60c0f24ce496a02fc98fccad5275e5746d707471782e555b334103", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/coupler-4ec6a72b15e3eb7f)
[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] [stderr]    Doc-tests coupler
[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" "a48d976a4b60c0f24ce496a02fc98fccad5275e5746d707471782e555b334103", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48d976a4b60c0f24ce496a02fc98fccad5275e5746d707471782e555b334103", kill_on_drop: false }`
[INFO] [stdout] a48d976a4b60c0f24ce496a02fc98fccad5275e5746d707471782e555b334103