[INFO] crate relm-derive 0.20.0 is already in cache
[INFO] testing relm-derive-0.20.0 against beta-2020-07-24 for beta-1.46-1
[INFO] extracting crate relm-derive 0.20.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate relm-derive 0.20.0 on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate relm-derive 0.20.0
[INFO] finished tweaking crates.io crate relm-derive 0.20.0
[INFO] tweaked toml for crates.io crate relm-derive 0.20.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ccbee0fb93df7e340acc91996f177f4d41769d05b756c545df11e5062875120
[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" "1ccbee0fb93df7e340acc91996f177f4d41769d05b756c545df11e5062875120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ccbee0fb93df7e340acc91996f177f4d41769d05b756c545df11e5062875120", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccbee0fb93df7e340acc91996f177f4d41769d05b756c545df11e5062875120", kill_on_drop: false }`
[INFO] [stdout] 1ccbee0fb93df7e340acc91996f177f4d41769d05b756c545df11e5062875120
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3f517b701a77bda40c2bcf36c755fa75d2ba89bedc7aafa71c50e6153724779a
[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" "3f517b701a77bda40c2bcf36c755fa75d2ba89bedc7aafa71c50e6153724779a", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling relm-derive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.64s
[INFO] running `Command { std: "docker" "inspect" "3f517b701a77bda40c2bcf36c755fa75d2ba89bedc7aafa71c50e6153724779a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f517b701a77bda40c2bcf36c755fa75d2ba89bedc7aafa71c50e6153724779a", kill_on_drop: false }`
[INFO] [stdout] 3f517b701a77bda40c2bcf36c755fa75d2ba89bedc7aafa71c50e6153724779a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "test" "--frozen" "--no-run" "--message-format=json", 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] a667c2c8a13a79798c25aace1e943f1f92c9e31846568f2277782261a2f53827
[INFO] running `Command { std: "docker" "start" "-a" "a667c2c8a13a79798c25aace1e943f1f92c9e31846568f2277782261a2f53827", kill_on_drop: false }`
[INFO] [stderr]    Compiling relm-derive v0.20.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `syn::parse_expr`
[INFO] [stdout]    --> src/gen/mod.rs:648:9
[INFO] [stdout]     |
[INFO] [stdout] 648 |     use syn::parse_expr;
[INFO] [stdout]     |         ^^^^^----------
[INFO] [stdout]     |         |    |
[INFO] [stdout]     |         |    help: a similar name exists in the module: `parse_str`
[INFO] [stdout]     |         no `parse_expr` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `syn::ExprKind`
[INFO] [stdout]    --> src/gen/mod.rs:649:15
[INFO] [stdout]     |
[INFO] [stdout] 649 |     use syn::{ExprKind};
[INFO] [stdout]     |               ^^^^^^^^ no `ExprKind` in the root
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `relm-derive`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "a667c2c8a13a79798c25aace1e943f1f92c9e31846568f2277782261a2f53827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a667c2c8a13a79798c25aace1e943f1f92c9e31846568f2277782261a2f53827", kill_on_drop: false }`
[INFO] [stdout] a667c2c8a13a79798c25aace1e943f1f92c9e31846568f2277782261a2f53827