[INFO] fetching crate anchor-syn 0.4.5...
[INFO] checking anchor-syn-0.4.5 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate anchor-syn 0.4.5 into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate anchor-syn 0.4.5 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate anchor-syn 0.4.5
[INFO] finished tweaking crates.io crate anchor-syn 0.4.5
[INFO] tweaked toml for crates.io crate anchor-syn 0.4.5 written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--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-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 507be4298f60f7c465b22205c8ccc64dc92dfd3710ca0015ddf03c95daa011bd
[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" "507be4298f60f7c465b22205c8ccc64dc92dfd3710ca0015ddf03c95daa011bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "507be4298f60f7c465b22205c8ccc64dc92dfd3710ca0015ddf03c95daa011bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "507be4298f60f7c465b22205c8ccc64dc92dfd3710ca0015ddf03c95daa011bd", kill_on_drop: false }`
[INFO] [stdout] 507be4298f60f7c465b22205c8ccc64dc92dfd3710ca0015ddf03c95daa011bd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fb3d1de0b91a2111151e950afd033869ee5093884e8f90478868312331ff6e7
[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" "1fb3d1de0b91a2111151e950afd033869ee5093884e8f90478868312331ff6e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking cpufeatures v0.1.1
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking unicode-segmentation v1.7.1
[INFO] [stderr]     Checking bs58 v0.3.1
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking heck v0.3.2
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha2 v0.9.4
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking anchor-syn v0.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 50.63s
[INFO] running `Command { std: "docker" "inspect" "1fb3d1de0b91a2111151e950afd033869ee5093884e8f90478868312331ff6e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fb3d1de0b91a2111151e950afd033869ee5093884e8f90478868312331ff6e7", kill_on_drop: false }`
[INFO] [stdout] 1fb3d1de0b91a2111151e950afd033869ee5093884e8f90478868312331ff6e7