[INFO] fetching crate nu-json 0.33.0...
[INFO] checking nu-json-0.33.0 against try#ddfd70ee3c3748e597b32f416b0d15a4f6e37685 for pr-87050
[INFO] extracting crate nu-json 0.33.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nu-json 0.33.0 on toolchain ddfd70ee3c3748e597b32f416b0d15a4f6e37685
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nu-json 0.33.0
[INFO] finished tweaking crates.io crate nu-json 0.33.0
[INFO] tweaked toml for crates.io crate nu-json 0.33.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "metadata" "--no-deps" "--format-version=1", 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] f859fe806ec1fd0a0c6c1227dae8b2f973a89efee2b839473cb7d53d3e5c39ca
[INFO] running `Command { std: "docker" "start" "-a" "f859fe806ec1fd0a0c6c1227dae8b2f973a89efee2b839473cb7d53d3e5c39ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f859fe806ec1fd0a0c6c1227dae8b2f973a89efee2b839473cb7d53d3e5c39ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f859fe806ec1fd0a0c6c1227dae8b2f973a89efee2b839473cb7d53d3e5c39ca", kill_on_drop: false }`
[INFO] [stdout] f859fe806ec1fd0a0c6c1227dae8b2f973a89efee2b839473cb7d53d3e5c39ca
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+ddfd70ee3c3748e597b32f416b0d15a4f6e37685" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d88dd5cda919bf34b2fc80bc57c11f7311c2b915499cbb9778a2f616c2902220
[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" "d88dd5cda919bf34b2fc80bc57c11f7311c2b915499cbb9778a2f616c2902220", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking dunce v1.0.2
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking nu-ansi-term v0.33.0
[INFO] [stderr]    Compiling getset v0.1.1
[INFO] [stderr]     Checking hamcrest2 v0.3.0
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking serde_test v1.0.126
[INFO] [stderr]     Checking num-bigint v0.3.2
[INFO] [stderr]     Checking nu-source v0.33.0
[INFO] [stderr]     Checking codespan-reporting v0.11.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking nu-json v0.33.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking bigdecimal v0.2.0
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking nu-errors v0.33.0
[INFO] [stderr]     Checking nu-protocol v0.33.0
[INFO] [stderr]     Checking nu-value-ext v0.33.0
[INFO] [stderr]     Checking nu-test-support v0.33.0
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.82s
[INFO] running `Command { std: "docker" "inspect" "d88dd5cda919bf34b2fc80bc57c11f7311c2b915499cbb9778a2f616c2902220", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d88dd5cda919bf34b2fc80bc57c11f7311c2b915499cbb9778a2f616c2902220", kill_on_drop: false }`
[INFO] [stdout] d88dd5cda919bf34b2fc80bc57c11f7311c2b915499cbb9778a2f616c2902220