[INFO] cloning repository https://github.com/tangramxyz/buffalo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tangramxyz/buffalo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fbuffalo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fbuffalo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cdbc8732ce8b49850b0829fb17d5e48c9980ee25
[INFO] checking tangramxyz/buffalo against try#1b0139f5bdae7328e6d232947a8112333bb44eeb for pr-93394
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftangramxyz%2Fbuffalo" "/workspace/builds/worker-82/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-82/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tangramxyz/buffalo on toolchain 1b0139f5bdae7328e6d232947a8112333bb44eeb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tangramxyz/buffalo
[INFO] finished tweaking git repo https://github.com/tangramxyz/buffalo
[INFO] tweaked toml for git repo https://github.com/tangramxyz/buffalo written to /workspace/builds/worker-82/source/Cargo.toml
[INFO] crate git repo https://github.com/tangramxyz/buffalo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5dae05b140a95e7631980e07bf1d33282557ed795f7c96c37aca4a43300c02f2
[INFO] running `Command { std: "docker" "start" "-a" "5dae05b140a95e7631980e07bf1d33282557ed795f7c96c37aca4a43300c02f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5dae05b140a95e7631980e07bf1d33282557ed795f7c96c37aca4a43300c02f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dae05b140a95e7631980e07bf1d33282557ed795f7c96c37aca4a43300c02f2", kill_on_drop: false }`
[INFO] [stdout] 5dae05b140a95e7631980e07bf1d33282557ed795f7c96c37aca4a43300c02f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-82/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1b0139f5bdae7328e6d232947a8112333bb44eeb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73437bc1f12a88da41826d702fdfeb33d203b4d47aaf1e92b8381f41f9bf1aff
[INFO] running `Command { std: "docker" "start" "-a" "73437bc1f12a88da41826d702fdfeb33d203b4d47aaf1e92b8381f41f9bf1aff", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling buffalo_macro v0.1.0 (/opt/rustwide/workdir/macro)
[INFO] [stderr]    Compiling derive_deref v1.1.1
[INFO] [stderr]     Checking num-complex v0.4.0
[INFO] [stderr]     Checking num v0.4.0
[INFO] [stderr]     Checking buffalo v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5m 22s
[INFO] running `Command { std: "docker" "inspect" "73437bc1f12a88da41826d702fdfeb33d203b4d47aaf1e92b8381f41f9bf1aff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73437bc1f12a88da41826d702fdfeb33d203b4d47aaf1e92b8381f41f9bf1aff", kill_on_drop: false }`
[INFO] [stdout] 73437bc1f12a88da41826d702fdfeb33d203b4d47aaf1e92b8381f41f9bf1aff