[INFO] fetching crate switchstring 0.1.1...
[INFO] testing switchstring-0.1.1 against 1.60.0 for beta-1.61-1
[INFO] extracting crate switchstring 0.1.1 into /workspace/builds/worker-27/source
[INFO] validating manifest of crates.io crate switchstring 0.1.1 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 switchstring 0.1.1
[INFO] finished tweaking crates.io crate switchstring 0.1.1
[INFO] tweaked toml for crates.io crate switchstring 0.1.1 written to /workspace/builds/worker-27/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] [stderr]     Blocking waiting for file lock on package cache
[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-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] 6f5137694cfaec11d09dac323236075a2a476dbf8dc8b5d0e1521d00ce4f5c43
[INFO] running `Command { std: "docker" "start" "-a" "6f5137694cfaec11d09dac323236075a2a476dbf8dc8b5d0e1521d00ce4f5c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f5137694cfaec11d09dac323236075a2a476dbf8dc8b5d0e1521d00ce4f5c43", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f5137694cfaec11d09dac323236075a2a476dbf8dc8b5d0e1521d00ce4f5c43", kill_on_drop: false }`
[INFO] [stdout] 6f5137694cfaec11d09dac323236075a2a476dbf8dc8b5d0e1521d00ce4f5c43
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] d22a866561c5f177b8d7622c01bcadbbeac553f2c55196b912303b4cc1726d4d
[INFO] running `Command { std: "docker" "start" "-a" "d22a866561c5f177b8d7622c01bcadbbeac553f2c55196b912303b4cc1726d4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling switchstring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "d22a866561c5f177b8d7622c01bcadbbeac553f2c55196b912303b4cc1726d4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d22a866561c5f177b8d7622c01bcadbbeac553f2c55196b912303b4cc1726d4d", kill_on_drop: false }`
[INFO] [stdout] d22a866561c5f177b8d7622c01bcadbbeac553f2c55196b912303b4cc1726d4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] cd36fd133c4b3bcb91b8f2717e31cc0ec1e339d89c8534522dd3a08f2204a11a
[INFO] running `Command { std: "docker" "start" "-a" "cd36fd133c4b3bcb91b8f2717e31cc0ec1e339d89c8534522dd3a08f2204a11a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling switchstring v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.74s
[INFO] running `Command { std: "docker" "inspect" "cd36fd133c4b3bcb91b8f2717e31cc0ec1e339d89c8534522dd3a08f2204a11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd36fd133c4b3bcb91b8f2717e31cc0ec1e339d89c8534522dd3a08f2204a11a", kill_on_drop: false }`
[INFO] [stdout] cd36fd133c4b3bcb91b8f2717e31cc0ec1e339d89c8534522dd3a08f2204a11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-27/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] d8879d4f7129e3f5cc2d0c1f0f5d25fb97ccd19c92d93c012b787aadcb124221
[INFO] running `Command { std: "docker" "start" "-a" "d8879d4f7129e3f5cc2d0c1f0f5d25fb97ccd19c92d93c012b787aadcb124221", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/switchstring-790ad3f5bed93b90)
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::concat ... ok
[INFO] [stdout] test tests::exprs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests switchstring
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/lib.rs - (line 316) ... ok
[INFO] [stdout] test src/lib.rs - (line 7) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "d8879d4f7129e3f5cc2d0c1f0f5d25fb97ccd19c92d93c012b787aadcb124221", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8879d4f7129e3f5cc2d0c1f0f5d25fb97ccd19c92d93c012b787aadcb124221", kill_on_drop: false }`
[INFO] [stdout] d8879d4f7129e3f5cc2d0c1f0f5d25fb97ccd19c92d93c012b787aadcb124221