[INFO] fetching crate jsonpp 2.0.1...
[INFO] testing jsonpp-2.0.1 against beta-2021-09-08 for beta-1.56-1
[INFO] extracting crate jsonpp 2.0.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsonpp 2.0.1 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonpp 2.0.1
[INFO] finished tweaking crates.io crate jsonpp 2.0.1
[INFO] tweaked toml for crates.io crate jsonpp 2.0.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ab5c61e14982cc028d290ad0f802569cc2fed390f03d3805a6e3ebdc4f844b9f
[INFO] running `Command { std: "docker" "start" "-a" "ab5c61e14982cc028d290ad0f802569cc2fed390f03d3805a6e3ebdc4f844b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ab5c61e14982cc028d290ad0f802569cc2fed390f03d3805a6e3ebdc4f844b9f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ab5c61e14982cc028d290ad0f802569cc2fed390f03d3805a6e3ebdc4f844b9f", kill_on_drop: false }`
[INFO] [stdout] ab5c61e14982cc028d290ad0f802569cc2fed390f03d3805a6e3ebdc4f844b9f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8cc3a5161a03052c24d6688476114d7f9caf876206784d5d2cbdcb825acc7348
[INFO] running `Command { std: "docker" "start" "-a" "8cc3a5161a03052c24d6688476114d7f9caf876206784d5d2cbdcb825acc7348", kill_on_drop: false }`
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling textwrap v0.9.0
[INFO] [stderr]    Compiling serde-transcode v1.1.1
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling clap v2.31.2
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.64s
[INFO] running `Command { std: "docker" "inspect" "8cc3a5161a03052c24d6688476114d7f9caf876206784d5d2cbdcb825acc7348", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8cc3a5161a03052c24d6688476114d7f9caf876206784d5d2cbdcb825acc7348", kill_on_drop: false }`
[INFO] [stdout] 8cc3a5161a03052c24d6688476114d7f9caf876206784d5d2cbdcb825acc7348
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b46cc968d003fbf98a07144ca2520a0c22b50248ec2d88dcceb555a285d56eb
[INFO] running `Command { std: "docker" "start" "-a" "4b46cc968d003fbf98a07144ca2520a0c22b50248ec2d88dcceb555a285d56eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonpp v2.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "4b46cc968d003fbf98a07144ca2520a0c22b50248ec2d88dcceb555a285d56eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b46cc968d003fbf98a07144ca2520a0c22b50248ec2d88dcceb555a285d56eb", kill_on_drop: false }`
[INFO] [stdout] 4b46cc968d003fbf98a07144ca2520a0c22b50248ec2d88dcceb555a285d56eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0c717235f3a39e156d112b09f7a6e9a4820c10ea26bdacb9505dfe6d89b94936
[INFO] running `Command { std: "docker" "start" "-a" "0c717235f3a39e156d112b09f7a6e9a4820c10ea26bdacb9505dfe6d89b94936", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonpp-12c0526c853d0b49)
[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]      Running tests/tester.rs (/opt/rustwide/target/debug/deps/tester-71edbb0118e209c1)
[INFO] [stdout] 
[INFO] [stderr]      Running tests/tests.rs (/opt/rustwide/target/debug/deps/tests-1193732c75aeec3c)
[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 1 test
[INFO] [stdout] test test_pretty_printing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0c717235f3a39e156d112b09f7a6e9a4820c10ea26bdacb9505dfe6d89b94936", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c717235f3a39e156d112b09f7a6e9a4820c10ea26bdacb9505dfe6d89b94936", kill_on_drop: false }`
[INFO] [stdout] 0c717235f3a39e156d112b09f7a6e9a4820c10ea26bdacb9505dfe6d89b94936