[INFO] crate olaf2 0.0.3 is already in cache
[INFO] testing olaf2-0.0.3 against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] extracting crate olaf2 0.0.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate olaf2 0.0.3 on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate olaf2 0.0.3
[INFO] finished tweaking crates.io crate olaf2 0.0.3
[INFO] tweaked toml for crates.io crate olaf2 0.0.3 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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=forbid" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e26a12668aeeff160e3b880d53fa7ef7080db40db2b94d4c7f7f74719924dd99
[INFO] running `"docker" "start" "-a" "e26a12668aeeff160e3b880d53fa7ef7080db40db2b94d4c7f7f74719924dd99"`
[INFO] [stderr] warning: the cargo feature `edition` is now stable and is no longer necessary to be listed in the manifest
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[INFO] [stderr]    Compiling oauth2 v2.0.0
[INFO] [stderr]    Compiling actix-web v0.7.19
[INFO] [stderr]    Compiling abscissa v0.0.4
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling olaf2 v0.0.3 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0252]: the name `Serialize` is defined multiple times
[INFO] [stderr]  --> src/msgs.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{de::DeserializeOwned, Serialize};
[INFO] [stderr]   |                                   --------- previous import of the macro `Serialize` here
[INFO] [stderr] 3 | use serde_derive::{Deserialize, Serialize};
[INFO] [stderr]   |                                 ^^^^^^^^^ `Serialize` reimported here
[INFO] [stderr]   |
[INFO] [stderr]   = note: `Serialize` must be defined only once in the macro namespace of this module
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `actix_web::server::Server`
[INFO] [stderr]   --> src/client.rs:14:20
[INFO] [stderr]    |
[INFO] [stderr] 14 |     server::{self, Server},
[INFO] [stderr]    |                    ^^^^^^ no `Server` in `server`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lazy_static::lazy_static`
[INFO] [stderr]   --> src/client.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 | use lazy_static::lazy_static;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `serde_derive::Deserialize`
[INFO] [stderr]   --> src/client.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 | use serde_derive::Deserialize;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::util::*`
[INFO] [stderr]   --> src/client.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 | use crate::util::*;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `de::DeserializeOwned`
[INFO] [stderr]  --> src/msgs.rs:2:13
[INFO] [stderr]   |
[INFO] [stderr] 2 | use serde::{de::DeserializeOwned, Serialize};
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Serialize`
[INFO] [stderr]  --> src/msgs.rs:3:33
[INFO] [stderr]   |
[INFO] [stderr] 3 | use serde_derive::{Deserialize, Serialize};
[INFO] [stderr]   |                                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0252, E0432.
[INFO] [stderr] For more information about an error, try `rustc --explain E0252`.
[INFO] [stderr] error: could not compile `olaf2`.
[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 `"docker" "inspect" "e26a12668aeeff160e3b880d53fa7ef7080db40db2b94d4c7f7f74719924dd99"`
[INFO] running `"docker" "rm" "-f" "e26a12668aeeff160e3b880d53fa7ef7080db40db2b94d4c7f7f74719924dd99"`
[INFO] [stdout] e26a12668aeeff160e3b880d53fa7ef7080db40db2b94d4c7f7f74719924dd99