[INFO] fetching crate libjsonutils 0.6.3...
[INFO] testing libjsonutils-0.6.3 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate libjsonutils 0.6.3 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate libjsonutils 0.6.3
[INFO] finished tweaking crates.io crate libjsonutils 0.6.3
[INFO] tweaked toml for crates.io crate libjsonutils 0.6.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate libjsonutils 0.6.3 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 15 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d084f23e24c7c9199d8fa8223d16a6610e64d42741f417de7acd1a2bd07ea729
[INFO] running `Command { std: "docker" "start" "-a" "d084f23e24c7c9199d8fa8223d16a6610e64d42741f417de7acd1a2bd07ea729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d084f23e24c7c9199d8fa8223d16a6610e64d42741f417de7acd1a2bd07ea729", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d084f23e24c7c9199d8fa8223d16a6610e64d42741f417de7acd1a2bd07ea729", kill_on_drop: false }`
[INFO] [stdout] d084f23e24c7c9199d8fa8223d16a6610e64d42741f417de7acd1a2bd07ea729
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec8c66b0009290a07bace09533375431e2fb7fae52a685730f70357ab9030f2d
[INFO] running `Command { std: "docker" "start" "-a" "ec8c66b0009290a07bace09533375431e2fb7fae52a685730f70357ab9030f2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling libjsonutils v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.75s
[INFO] running `Command { std: "docker" "inspect" "ec8c66b0009290a07bace09533375431e2fb7fae52a685730f70357ab9030f2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec8c66b0009290a07bace09533375431e2fb7fae52a685730f70357ab9030f2d", kill_on_drop: false }`
[INFO] [stdout] ec8c66b0009290a07bace09533375431e2fb7fae52a685730f70357ab9030f2d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 234cd8bf0ccea5e8ed475849a89ec87feae2b5b472d56fedef07ee0c015a1c68
[INFO] running `Command { std: "docker" "start" "-a" "234cd8bf0ccea5e8ed475849a89ec87feae2b5b472d56fedef07ee0c015a1c68", kill_on_drop: false }`
[INFO] [stderr]    Compiling libjsonutils v0.6.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.29s
[INFO] running `Command { std: "docker" "inspect" "234cd8bf0ccea5e8ed475849a89ec87feae2b5b472d56fedef07ee0c015a1c68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "234cd8bf0ccea5e8ed475849a89ec87feae2b5b472d56fedef07ee0c015a1c68", kill_on_drop: false }`
[INFO] [stdout] 234cd8bf0ccea5e8ed475849a89ec87feae2b5b472d56fedef07ee0c015a1c68
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 34c668f7d716b436d0febfe665915b1ad1a012c5a308594963324721b1821fa4
[INFO] running `Command { std: "docker" "start" "-a" "34c668f7d716b436d0febfe665915b1ad1a012c5a308594963324721b1821fa4", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/libjsonutils-334e03176cbdbfc3)
[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] [stderr]    Doc-tests libjsonutils
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test src/print.rs - print::print_json (line 11) ... FAILED
[INFO] [stdout] test src/print.rs - print::print_json_with_indent (line 37) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/print.rs - print::print_json (line 11) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `jsonutils` in this scope
[INFO] [stdout]   --> src/print.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use jsonutils::print::print_json;
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `jsonutils`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 12 | use libjsonutils::print::print_json;
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/print.rs - print::print_json_with_indent (line 37) stdout ----
[INFO] [stdout] error[E0433]: cannot find module or crate `jsonutils` in this scope
[INFO] [stdout]   --> src/print.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | use jsonutils::print::print_json_with_indent;
[INFO] [stdout]    |     ^^^^^^^^^ use of unresolved module or unlinked crate `jsonutils`
[INFO] [stdout]    |
[INFO] [stdout] help: there is a crate or module with a similar name
[INFO] [stdout]    |
[INFO] [stdout] 38 | use libjsonutils::print::print_json_with_indent;
[INFO] [stdout]    |     +++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/print.rs - print::print_json (line 11)
[INFO] [stdout]     src/print.rs - print::print_json_with_indent (line 37)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "34c668f7d716b436d0febfe665915b1ad1a012c5a308594963324721b1821fa4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34c668f7d716b436d0febfe665915b1ad1a012c5a308594963324721b1821fa4", kill_on_drop: false }`
[INFO] [stdout] 34c668f7d716b436d0febfe665915b1ad1a012c5a308594963324721b1821fa4