[INFO] cloning repository https://github.com/andreslab/RUST_GUIA
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/andreslab/RUST_GUIA" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreslab%2FRUST_GUIA", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreslab%2FRUST_GUIA'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed4e5b89b8df30777d04da3cd3f5b712be21fbd3
[INFO] checking andreslab/RUST_GUIA against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fandreslab%2FRUST_GUIA" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/andreslab/RUST_GUIA on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/andreslab/RUST_GUIA
[INFO] finished tweaking git repo https://github.com/andreslab/RUST_GUIA
[INFO] tweaked toml for git repo https://github.com/andreslab/RUST_GUIA written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/andreslab/RUST_GUIA already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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] 968a7c851583ea1f34b30596ae8eef86984823b0ba9b21a411428168ca7f6ead
[INFO] running `Command { std: "docker" "start" "-a" "968a7c851583ea1f34b30596ae8eef86984823b0ba9b21a411428168ca7f6ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "968a7c851583ea1f34b30596ae8eef86984823b0ba9b21a411428168ca7f6ead", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968a7c851583ea1f34b30596ae8eef86984823b0ba9b21a411428168ca7f6ead", kill_on_drop: false }`
[INFO] [stdout] 968a7c851583ea1f34b30596ae8eef86984823b0ba9b21a411428168ca7f6ead
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45d247db4a653b52d116ea6d64e98c0bf933cbf86889f5f2812d4c4d3a18ef3
[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" "d45d247db4a653b52d116ea6d64e98c0bf933cbf86889f5f2812d4c4d3a18ef3", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling pkg-config v0.3.17
[INFO] [stderr]    Compiling version_check v0.9.1
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]     Checking futures-task v0.3.4
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.9
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking encoding_rs v0.8.22
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking serde_json v1.0.48
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]    Compiling indexmap v1.3.2
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling mime_guess v2.0.1
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking reqwest v0.10.3
[INFO] [stderr]     Checking cargo_hello_word v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/parse_json.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/parse_json.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/parse_json.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `cargo_hello_word`
[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] [stdout] error: cannot find derive macro `Serialize` in this scope
[INFO] [stdout]   --> src/parse_json.rs:35:10
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: cannot find derive macro `Deserialize` in this scope
[INFO] [stdout]   --> src/parse_json.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 | #[derive(Serialize, Deserialize)]
[INFO] [stdout]    |                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Deserialize`, `Serialize`
[INFO] [stdout]  --> src/parse_json.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use serde::{Serialize, Deserialize};
[INFO] [stdout]   |             ^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "d45d247db4a653b52d116ea6d64e98c0bf933cbf86889f5f2812d4c4d3a18ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45d247db4a653b52d116ea6d64e98c0bf933cbf86889f5f2812d4c4d3a18ef3", kill_on_drop: false }`
[INFO] [stdout] d45d247db4a653b52d116ea6d64e98c0bf933cbf86889f5f2812d4c4d3a18ef3