[INFO] fetching crate ruma-identifiers 0.20.0...
[INFO] checking ruma-identifiers-0.20.0 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate ruma-identifiers 0.20.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate ruma-identifiers 0.20.0 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 ruma-identifiers 0.20.0
[INFO] finished tweaking crates.io crate ruma-identifiers 0.20.0
[INFO] tweaked toml for crates.io crate ruma-identifiers 0.20.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3a34f4b58fe0c68cb21ead48180460e3903d0edb06868a21ea274aff7f6352b
[INFO] running `Command { std: "docker" "start" "-a" "e3a34f4b58fe0c68cb21ead48180460e3903d0edb06868a21ea274aff7f6352b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e3a34f4b58fe0c68cb21ead48180460e3903d0edb06868a21ea274aff7f6352b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3a34f4b58fe0c68cb21ead48180460e3903d0edb06868a21ea274aff7f6352b", kill_on_drop: false }`
[INFO] [stdout] e3a34f4b58fe0c68cb21ead48180460e3903d0edb06868a21ea274aff7f6352b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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] ea864063b1db94eb1bde8790d55b9adbe31417385bc47e75dac536ac0daf24cd
[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" "ea864063b1db94eb1bde8790d55b9adbe31417385bc47e75dac536ac0daf24cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling ruma-identifiers-validation v0.5.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling ruma-identifiers-macros v0.20.0
[INFO] [stderr]    Compiling thiserror v1.0.30
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]     Checking js_int v0.2.1
[INFO] [stderr]    Compiling proc-macro-crate v1.1.0
[INFO] [stderr]     Checking trybuild v1.0.52
[INFO] [stderr]    Compiling ruma-serde-macros v0.5.0
[INFO] [stderr]     Checking ruma-serde v0.5.0
[INFO] [stderr]     Checking ruma-identifiers v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 59.68s
[INFO] running `Command { std: "docker" "inspect" "ea864063b1db94eb1bde8790d55b9adbe31417385bc47e75dac536ac0daf24cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea864063b1db94eb1bde8790d55b9adbe31417385bc47e75dac536ac0daf24cd", kill_on_drop: false }`
[INFO] [stdout] ea864063b1db94eb1bde8790d55b9adbe31417385bc47e75dac536ac0daf24cd