[INFO] fetching crate jsonfmt 0.4.1...
[INFO] testing jsonfmt-0.4.1 against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] extracting crate jsonfmt 0.4.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate jsonfmt 0.4.1 on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", 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-6/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pico-args v0.3.0
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9682f12f12d66e1aea17873b5d48db004810aae59e335f261e462c90efd82ae5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9682f12f12d66e1aea17873b5d48db004810aae59e335f261e462c90efd82ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9682f12f12d66e1aea17873b5d48db004810aae59e335f261e462c90efd82ae5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9682f12f12d66e1aea17873b5d48db004810aae59e335f261e462c90efd82ae5", kill_on_drop: false }`
[INFO] [stdout] 9682f12f12d66e1aea17873b5d48db004810aae59e335f261e462c90efd82ae5
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a56e2460f6c1297beeee72efbbc04b21d7f667dcd435c6324252b43b263967b9
[INFO] running `Command { std: "docker" "start" "-a" "a56e2460f6c1297beeee72efbbc04b21d7f667dcd435c6324252b43b263967b9", 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 14.80s
[INFO] running `Command { std: "docker" "inspect" "a56e2460f6c1297beeee72efbbc04b21d7f667dcd435c6324252b43b263967b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a56e2460f6c1297beeee72efbbc04b21d7f667dcd435c6324252b43b263967b9", kill_on_drop: false }`
[INFO] [stdout] a56e2460f6c1297beeee72efbbc04b21d7f667dcd435c6324252b43b263967b9
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56a22fc7d42877c2e99aacf3187300d1ac7f00745c7e7093088e13c8b999a8d1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "56a22fc7d42877c2e99aacf3187300d1ac7f00745c7e7093088e13c8b999a8d1", kill_on_drop: false }`
[INFO] [stderr]    Compiling jsonfmt v0.4.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.76s
[INFO] running `Command { std: "docker" "inspect" "56a22fc7d42877c2e99aacf3187300d1ac7f00745c7e7093088e13c8b999a8d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56a22fc7d42877c2e99aacf3187300d1ac7f00745c7e7093088e13c8b999a8d1", kill_on_drop: false }`
[INFO] [stdout] 56a22fc7d42877c2e99aacf3187300d1ac7f00745c7e7093088e13c8b999a8d1
[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=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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4950fb0f6675a7e8e4576d86410f3128b17efae0dad5e3d6a8073f31c8f433de
[INFO] running `Command { std: "docker" "start" "-a" "4950fb0f6675a7e8e4576d86410f3128b17efae0dad5e3d6a8073f31c8f433de", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/jsonfmt-b0ce985830895610
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "4950fb0f6675a7e8e4576d86410f3128b17efae0dad5e3d6a8073f31c8f433de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4950fb0f6675a7e8e4576d86410f3128b17efae0dad5e3d6a8073f31c8f433de", kill_on_drop: false }`
[INFO] [stdout] 4950fb0f6675a7e8e4576d86410f3128b17efae0dad5e3d6a8073f31c8f433de