[INFO] fetching crate tfmicro 0.1.0...
[INFO] testing tfmicro-0.1.0 against 1.49.0 for beta-1.50-1
[INFO] extracting crate tfmicro 0.1.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tfmicro 0.1.0 on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tfmicro 0.1.0
[INFO] finished tweaking crates.io crate tfmicro 0.1.0
[INFO] tweaked toml for crates.io crate tfmicro 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5950a3c6671ecf2a7488251b47135dc3982b5506e9b3b1d42df4cf36d679aad4
[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" "5950a3c6671ecf2a7488251b47135dc3982b5506e9b3b1d42df4cf36d679aad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5950a3c6671ecf2a7488251b47135dc3982b5506e9b3b1d42df4cf36d679aad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5950a3c6671ecf2a7488251b47135dc3982b5506e9b3b1d42df4cf36d679aad4", kill_on_drop: false }`
[INFO] [stdout] 5950a3c6671ecf2a7488251b47135dc3982b5506e9b3b1d42df4cf36d679aad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbf04de4eb5b0315820bcabc5bb32403f17fcc902f5b3cf1896af546fd74548a
[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" "cbf04de4eb5b0315820bcabc5bb32403f17fcc902f5b3cf1896af546fd74548a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.57
[INFO] [stderr]    Compiling if_rust_version v1.0.0
[INFO] [stderr]    Compiling bindgen v0.53.3
[INFO] [stderr]    Compiling shlex v0.1.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]    Compiling fs_extra v1.2.0
[INFO] [stderr]    Compiling cty v0.2.1
[INFO] [stderr]    Compiling managed v0.7.2
[INFO] [stderr]    Compiling clang-sys v0.29.3
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling addr2line v0.14.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling which v3.1.1
[INFO] [stderr]    Compiling ordered-float v1.1.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]    Compiling env_logger v0.7.1
[INFO] [stderr]    Compiling backtrace v0.3.55
[INFO] [stderr]    Compiling cexpr v0.4.0
[INFO] [stderr]    Compiling cpp_common v0.5.6
[INFO] [stderr]    Compiling cpp_build v0.5.6
[INFO] [stderr]    Compiling cpp_macros v0.5.6
[INFO] [stderr]    Compiling tfmicro v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0063]: missing field `content_only` in initializer of `fs_extra::dir::CopyOptions`
[INFO] [stdout]   --> build.rs:57:20
[INFO] [stdout]    |
[INFO] [stdout] 57 |     let copy_dir = fs_extra::dir::CopyOptions {
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ missing `content_only`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0063`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `tfmicro`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "cbf04de4eb5b0315820bcabc5bb32403f17fcc902f5b3cf1896af546fd74548a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbf04de4eb5b0315820bcabc5bb32403f17fcc902f5b3cf1896af546fd74548a", kill_on_drop: false }`
[INFO] [stdout] cbf04de4eb5b0315820bcabc5bb32403f17fcc902f5b3cf1896af546fd74548a