[INFO] cloning repository https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkajdam%2Fflatbuffers-rust-vector-of-unions-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkajdam%2Fflatbuffers-rust-vector-of-unions-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9499063512c9674e68b2e4e0c322e6f294987547
[INFO] checking kajdam/flatbuffers-rust-vector-of-unions-example against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkajdam%2Fflatbuffers-rust-vector-of-unions-example" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example
[INFO] finished tweaking git repo https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example
[INFO] tweaked toml for git repo https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/kajdam/flatbuffers-rust-vector-of-unions-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/kajdam/flatbuffers`
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ae7b08bb3d8eeed116f45c5e38478cfac67d11aab29ff7a58dfaacb6d2bfa17e
[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" "ae7b08bb3d8eeed116f45c5e38478cfac67d11aab29ff7a58dfaacb6d2bfa17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ae7b08bb3d8eeed116f45c5e38478cfac67d11aab29ff7a58dfaacb6d2bfa17e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ae7b08bb3d8eeed116f45c5e38478cfac67d11aab29ff7a58dfaacb6d2bfa17e", kill_on_drop: false }`
[INFO] [stdout] ae7b08bb3d8eeed116f45c5e38478cfac67d11aab29ff7a58dfaacb6d2bfa17e
[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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e47d6ba535db0ad7279960782b8fa411dc8f45cd8e319c1dee04fa084c2616
[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" "f5e47d6ba535db0ad7279960782b8fa411dc8f45cd8e319c1dee04fa084c2616", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking flatbuffers v0.8.3 (https://github.com/kajdam/flatbuffers?branch=rust-vector-of-unions#d8806471)
[INFO] [stderr]     Checking rust-vector-of-unions v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.21s
[INFO] running `Command { std: "docker" "inspect" "f5e47d6ba535db0ad7279960782b8fa411dc8f45cd8e319c1dee04fa084c2616", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e47d6ba535db0ad7279960782b8fa411dc8f45cd8e319c1dee04fa084c2616", kill_on_drop: false }`
[INFO] [stdout] f5e47d6ba535db0ad7279960782b8fa411dc8f45cd8e319c1dee04fa084c2616