[INFO] fetching crate jsonfmt 0.4.1...
[INFO] testing jsonfmt-0.4.1 against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1
[INFO] extracting crate jsonfmt 0.4.1 into /workspace/builds/worker-4-tc1/source
[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-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate jsonfmt 0.4.1 on toolchain 562dee4820c458d823175268e41601d4c060588a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate jsonfmt 0.4.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded autocfg v0.1.7
[INFO] [stderr]   Downloaded ryu v1.0.2
[INFO] [stderr]   Downloaded itoa v0.4.4
[INFO] [stderr]   Downloaded indexmap v1.3.0
[INFO] [stderr]   Downloaded pico-args v0.3.0
[INFO] [stderr]   Downloaded serde_json v1.0.41
[INFO] [stderr]   Downloaded serde v1.0.102
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e8d0b9d250bce16dbad3ac533277e9f3c96a2e011fd34b9cf4d611fb87ae63af
[INFO] running `Command { std: "docker" "start" "-a" "e8d0b9d250bce16dbad3ac533277e9f3c96a2e011fd34b9cf4d611fb87ae63af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e8d0b9d250bce16dbad3ac533277e9f3c96a2e011fd34b9cf4d611fb87ae63af", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8d0b9d250bce16dbad3ac533277e9f3c96a2e011fd34b9cf4d611fb87ae63af", kill_on_drop: false }`
[INFO] [stdout] e8d0b9d250bce16dbad3ac533277e9f3c96a2e011fd34b9cf4d611fb87ae63af
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ea61a749618b9b6001822c05fa74978cb517f24e8a91ecd788f46cd21e9caa0b
[INFO] running `Command { std: "docker" "start" "-a" "ea61a749618b9b6001822c05fa74978cb517f24e8a91ecd788f46cd21e9caa0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]    Compiling serde v1.0.102
[INFO] [stderr]    Compiling itoa v0.4.4
[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` profile [unoptimized + debuginfo] target(s) in 5.96s
[INFO] running `Command { std: "docker" "inspect" "ea61a749618b9b6001822c05fa74978cb517f24e8a91ecd788f46cd21e9caa0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea61a749618b9b6001822c05fa74978cb517f24e8a91ecd788f46cd21e9caa0b", kill_on_drop: false }`
[INFO] [stdout] ea61a749618b9b6001822c05fa74978cb517f24e8a91ecd788f46cd21e9caa0b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd16f236fc9eeb5d900967698b60999e994f86fe4fef81a3308c7ffe8baf3250
[INFO] running `Command { std: "docker" "start" "-a" "fd16f236fc9eeb5d900967698b60999e994f86fe4fef81a3308c7ffe8baf3250", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: allow(dead_code) incompatible with previous forbid
[INFO] [stdout]   |
[INFO] [stdout]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]   = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stdout]   = note: `#[warn(forbidden_lint_groups)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "fd16f236fc9eeb5d900967698b60999e994f86fe4fef81a3308c7ffe8baf3250", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd16f236fc9eeb5d900967698b60999e994f86fe4fef81a3308c7ffe8baf3250", kill_on_drop: false }`
[INFO] [stdout] fd16f236fc9eeb5d900967698b60999e994f86fe4fef81a3308c7ffe8baf3250
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d62e16f260b5df2b461b5de76d80cde683bfd8377031ff32e17617a1bbb5fd02
[INFO] running `Command { std: "docker" "start" "-a" "d62e16f260b5df2b461b5de76d80cde683bfd8377031ff32e17617a1bbb5fd02", kill_on_drop: false }`
[INFO] [stderr] warning: allow(dead_code) incompatible with previous forbid
[INFO] [stderr]   |
[INFO] [stderr]   = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stderr]   = note: for more information, see issue #81670 <https://github.com/rust-lang/rust/issues/81670>
[INFO] [stderr]   = note: `#[warn(forbidden_lint_groups)]` (part of `#[warn(future_incompatible)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `jsonfmt` (bin "jsonfmt" test) generated 1 warning
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/jsonfmt-bf4a35a3054b0659)
[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" "d62e16f260b5df2b461b5de76d80cde683bfd8377031ff32e17617a1bbb5fd02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62e16f260b5df2b461b5de76d80cde683bfd8377031ff32e17617a1bbb5fd02", kill_on_drop: false }`
[INFO] [stdout] d62e16f260b5df2b461b5de76d80cde683bfd8377031ff32e17617a1bbb5fd02