[INFO] fetching crate jsonfmt 0.4.1...
[INFO] testing jsonfmt-0.4.1 against 1.55.0 for beta-1.56-1
[INFO] extracting crate jsonfmt 0.4.1 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate jsonfmt 0.4.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate jsonfmt 0.4.1
[INFO] finished tweaking crates.io crate jsonfmt 0.4.1
[INFO] tweaked toml for crates.io crate jsonfmt 0.4.1 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate crates.io crate jsonfmt 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded pico-args v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7243407d7ab7851e2be45c7bf76273d3a725f12025a8056c33725600df0670
[INFO] running `Command { std: "docker" "start" "-a" "be7243407d7ab7851e2be45c7bf76273d3a725f12025a8056c33725600df0670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7243407d7ab7851e2be45c7bf76273d3a725f12025a8056c33725600df0670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7243407d7ab7851e2be45c7bf76273d3a725f12025a8056c33725600df0670", kill_on_drop: false }`
[INFO] [stdout] be7243407d7ab7851e2be45c7bf76273d3a725f12025a8056c33725600df0670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ed7fb52266629b8e46f47176a658454302aa37c1ccce93d6511c519ecaedca8
[INFO] running `Command { std: "docker" "start" "-a" "6ed7fb52266629b8e46f47176a658454302aa37c1ccce93d6511c519ecaedca8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling pico-args v0.3.0
[INFO] [stderr]    Compiling indexmap v1.3.0
[INFO] [stderr]    Compiling serde_json v1.0.41
[INFO] [stderr]    Compiling jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 9.41s
[INFO] running `Command { std: "docker" "inspect" "6ed7fb52266629b8e46f47176a658454302aa37c1ccce93d6511c519ecaedca8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ed7fb52266629b8e46f47176a658454302aa37c1ccce93d6511c519ecaedca8", kill_on_drop: false }`
[INFO] [stdout] 6ed7fb52266629b8e46f47176a658454302aa37c1ccce93d6511c519ecaedca8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e02d6f79a5c36b0041f969d89053988419268fc4eee5651bc08818499e096ba2
[INFO] running `Command { std: "docker" "start" "-a" "e02d6f79a5c36b0041f969d89053988419268fc4eee5651bc08818499e096ba2", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "e02d6f79a5c36b0041f969d89053988419268fc4eee5651bc08818499e096ba2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e02d6f79a5c36b0041f969d89053988419268fc4eee5651bc08818499e096ba2", kill_on_drop: false }`
[INFO] [stdout] e02d6f79a5c36b0041f969d89053988419268fc4eee5651bc08818499e096ba2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+1.55.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 4026a3c2928943706927dd5f08b6d35534ffbb223ed7dc49f0b20967dd28afa2
[INFO] running `Command { std: "docker" "start" "-a" "4026a3c2928943706927dd5f08b6d35534ffbb223ed7dc49f0b20967dd28afa2", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/jsonfmt-24169f9f30e2b2e7)
[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" "4026a3c2928943706927dd5f08b6d35534ffbb223ed7dc49f0b20967dd28afa2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4026a3c2928943706927dd5f08b6d35534ffbb223ed7dc49f0b20967dd28afa2", kill_on_drop: false }`
[INFO] [stdout] 4026a3c2928943706927dd5f08b6d35534ffbb223ed7dc49f0b20967dd28afa2