[INFO] fetching crate instagen 0.1.1...
[INFO] checking instagen-0.1.1 against beta for pr-78714
[INFO] extracting crate instagen 0.1.1 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate instagen 0.1.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate instagen 0.1.1
[INFO] finished tweaking crates.io crate instagen 0.1.1
[INFO] tweaked toml for crates.io crate instagen 0.1.1 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "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" "+beta" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", 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] 3c6f6e4ed718ff6d76d0aca1f34376be0b6616be8ee6923125fb6735faafddbf
[INFO] running `Command { std: "docker" "start" "-a" "3c6f6e4ed718ff6d76d0aca1f34376be0b6616be8ee6923125fb6735faafddbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6f6e4ed718ff6d76d0aca1f34376be0b6616be8ee6923125fb6735faafddbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6f6e4ed718ff6d76d0aca1f34376be0b6616be8ee6923125fb6735faafddbf", kill_on_drop: false }`
[INFO] [stdout] 3c6f6e4ed718ff6d76d0aca1f34376be0b6616be8ee6923125fb6735faafddbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 24e244367fb44132c310b2fc32c6d62a351142fffbb0c3a547c85d028137146e
[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" "24e244367fb44132c310b2fc32c6d62a351142fffbb0c3a547c85d028137146e", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking predicates v1.0.5
[INFO] [stderr]     Checking tokio v0.2.23
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking assert_cmd v1.0.1
[INFO] [stderr]     Checking native-tls v0.2.6
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v0.4.27
[INFO] [stderr]    Compiling pin-project-internal v1.0.1
[INFO] [stderr]     Checking pin-project v1.0.1
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking pin-project v0.4.27
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.8
[INFO] [stderr]     Checking instagen v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::*`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/lib.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | #[derive(Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> src/lib.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::*`
[INFO] [stdout]  --> src/lib.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use serde::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect` found for opaque type `impl Future` in the current scope
[INFO] [stdout]   --> src/lib.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .expect("Could not fetch JSON from datamuse")
[INFO] [stdout]    |                  ^^^^^^ method not found in `impl Future`
[INFO] [stdout]    |
[INFO] [stdout] help: consider awaiting before this method call
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .await.expect("Could not fetch JSON from datamuse")
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `expect` found for opaque type `impl Future` in the current scope
[INFO] [stdout]   --> src/lib.rs:31:18
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .expect("Could not fetch JSON from datamuse")
[INFO] [stdout]    |                  ^^^^^^ method not found in `impl Future`
[INFO] [stdout]    |
[INFO] [stdout] help: consider awaiting before this method call
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 .await.expect("Could not fetch JSON from datamuse")
[INFO] [stdout]    |                  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0599`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `instagen`
[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" "24e244367fb44132c310b2fc32c6d62a351142fffbb0c3a547c85d028137146e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24e244367fb44132c310b2fc32c6d62a351142fffbb0c3a547c85d028137146e", kill_on_drop: false }`
[INFO] [stdout] 24e244367fb44132c310b2fc32c6d62a351142fffbb0c3a547c85d028137146e