[INFO] fetching crate json-ld 0.5.0...
[INFO] checking json-ld-0.5.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate json-ld 0.5.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate json-ld 0.5.0 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate json-ld 0.5.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate json-ld 0.5.0
[INFO] tweaked toml for crates.io crate json-ld 0.5.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate json-ld 0.5.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stderrlog v0.5.1
[INFO] [stderr]   Downloaded iref v1.4.3
[INFO] [stderr]   Downloaded mown v0.2.1
[INFO] [stderr]   Downloaded wasm-bindgen-futures v0.4.27
[INFO] [stderr]   Downloaded pct-str v1.1.0
[INFO] [stderr]   Downloaded iref v2.0.3
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.77
[INFO] [stderr]   Downloaded ijson v0.1.3
[INFO] [stderr]   Downloaded static-iref v1.0.0
[INFO] [stderr]   Downloaded langtag v0.2.0
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.77
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.77
[INFO] [stderr]   Downloaded web-sys v0.3.54
[INFO] [stderr]   Downloaded cc-traits v0.7.0
[INFO] [stderr]   Downloaded iref-enum v1.2.0
[INFO] [stderr]   Downloaded generic-json v0.2.0
[INFO] [stderr]   Downloaded js-sys v0.3.54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf46f71a0cb70c7cd9be16bafa296fcab0cefb19f93d8a6a361a702ed6c0819
[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" "cdf46f71a0cb70c7cd9be16bafa296fcab0cefb19f93d8a6a361a702ed6c0819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf46f71a0cb70c7cd9be16bafa296fcab0cefb19f93d8a6a361a702ed6c0819", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf46f71a0cb70c7cd9be16bafa296fcab0cefb19f93d8a6a361a702ed6c0819", kill_on_drop: false }`
[INFO] [stdout] cdf46f71a0cb70c7cd9be16bafa296fcab0cefb19f93d8a6a361a702ed6c0819
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 721b70df1c913a1e4214d476d64492139d6a765dea85183fbd05ced1d90ac0f0
[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" "721b70df1c913a1e4214d476d64492139d6a765dea85183fbd05ced1d90ac0f0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking pin-project-lite v0.2.7
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde_json v1.0.67
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]    Compiling pct-str v1.1.0
[INFO] [stderr]     Checking langtag v0.2.0
[INFO] [stderr]     Checking mown v0.2.1
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.7
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling iref v1.4.3
[INFO] [stderr]     Checking iref v2.0.3
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]    Compiling static-iref v1.0.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking dashmap v4.0.2
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking ijson v0.1.3
[INFO] [stderr]     Checking cc-traits v0.7.0
[INFO] [stderr]     Checking generic-json v0.2.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling derivative v2.2.0
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling async-attributes v1.1.2
[INFO] [stderr]    Compiling iref-enum v1.2.0
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking stderrlog v0.5.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
[INFO] [stderr]     Checking json-ld v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "721b70df1c913a1e4214d476d64492139d6a765dea85183fbd05ced1d90ac0f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "721b70df1c913a1e4214d476d64492139d6a765dea85183fbd05ced1d90ac0f0", kill_on_drop: false }`
[INFO] [stdout] 721b70df1c913a1e4214d476d64492139d6a765dea85183fbd05ced1d90ac0f0