[INFO] fetching crate swap 0.1.0...
[INFO] testing swap-0.1.0 against 1.60.0 for beta-1.61-1
[INFO] extracting crate swap 0.1.0 into /workspace/builds/worker-19/source
[INFO] validating manifest of crates.io crate swap 0.1.0 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 swap 0.1.0
[INFO] finished tweaking crates.io crate swap 0.1.0
[INFO] tweaked toml for crates.io crate swap 0.1.0 written to /workspace/builds/worker-19/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-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 95be0647a4350646ba9c58d2889f6c53b40b10afd2a812b2511a7c55fa98a4bb
[INFO] running `Command { std: "docker" "start" "-a" "95be0647a4350646ba9c58d2889f6c53b40b10afd2a812b2511a7c55fa98a4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95be0647a4350646ba9c58d2889f6c53b40b10afd2a812b2511a7c55fa98a4bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95be0647a4350646ba9c58d2889f6c53b40b10afd2a812b2511a7c55fa98a4bb", kill_on_drop: false }`
[INFO] [stdout] 95be0647a4350646ba9c58d2889f6c53b40b10afd2a812b2511a7c55fa98a4bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] c6b15287589fbbfd3ec1aac2939f530e89bb5ef843f6bacebdce68347fec1ff8
[INFO] running `Command { std: "docker" "start" "-a" "c6b15287589fbbfd3ec1aac2939f530e89bb5ef843f6bacebdce68347fec1ff8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling structopt-derive v0.2.18
[INFO] [stderr]    Compiling structopt v0.2.18
[INFO] [stderr]    Compiling swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.10s
[INFO] running `Command { std: "docker" "inspect" "c6b15287589fbbfd3ec1aac2939f530e89bb5ef843f6bacebdce68347fec1ff8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b15287589fbbfd3ec1aac2939f530e89bb5ef843f6bacebdce68347fec1ff8", kill_on_drop: false }`
[INFO] [stdout] c6b15287589fbbfd3ec1aac2939f530e89bb5ef843f6bacebdce68347fec1ff8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] 8e4353f0d023192f11d2378cbf391130e148bd24da3ddb568f12f4f6041bafe6
[INFO] running `Command { std: "docker" "start" "-a" "8e4353f0d023192f11d2378cbf391130e148bd24da3ddb568f12f4f6041bafe6", kill_on_drop: false }`
[INFO] [stderr]    Compiling swap v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "8e4353f0d023192f11d2378cbf391130e148bd24da3ddb568f12f4f6041bafe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e4353f0d023192f11d2378cbf391130e148bd24da3ddb568f12f4f6041bafe6", kill_on_drop: false }`
[INFO] [stdout] 8e4353f0d023192f11d2378cbf391130e148bd24da3ddb568f12f4f6041bafe6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-19/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] ba0ccc9222f283a06defb7200a586e8bf8cd93d125eeb1ae8dbee708d67e7f6e
[INFO] running `Command { std: "docker" "start" "-a" "ba0ccc9222f283a06defb7200a586e8bf8cd93d125eeb1ae8dbee708d67e7f6e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/swap-1dceef2c9dc33639)
[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" "ba0ccc9222f283a06defb7200a586e8bf8cd93d125eeb1ae8dbee708d67e7f6e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba0ccc9222f283a06defb7200a586e8bf8cd93d125eeb1ae8dbee708d67e7f6e", kill_on_drop: false }`
[INFO] [stdout] ba0ccc9222f283a06defb7200a586e8bf8cd93d125eeb1ae8dbee708d67e7f6e