[INFO] fetching crate olaf2 0.0.3...
[INFO] testing olaf2-0.0.3 against 1.54.0 for beta-1.55-1
[INFO] extracting crate olaf2 0.0.3 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate olaf2 0.0.3 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "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" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00006b328a3023fc138575b78a248f902b3f47880f943c398c60456b52503821
[INFO] running `Command { std: "docker" "start" "-a" "00006b328a3023fc138575b78a248f902b3f47880f943c398c60456b52503821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00006b328a3023fc138575b78a248f902b3f47880f943c398c60456b52503821", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00006b328a3023fc138575b78a248f902b3f47880f943c398c60456b52503821", kill_on_drop: false }`
[INFO] [stdout] 00006b328a3023fc138575b78a248f902b3f47880f943c398c60456b52503821
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f4045012b10611bf57c184136b69b987eb93753fa1549dae82eea3f1a894a0d
[INFO] running `Command { std: "docker" "start" "-a" "8f4045012b10611bf57c184136b69b987eb93753fa1549dae82eea3f1a894a0d", kill_on_drop: false }`
[INFO] [stderr] warning: the cargo feature `edition` has been stabilized in the 1.31 release and is no longer necessary to be listed in the manifest
[INFO] [stderr]   See https://doc.rust-lang.org/cargo/reference/manifest.html#the-edition-field for more information about using this feature.
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
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[INFO] [stderr]    Compiling v_htmlescape v0.4.5
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[INFO] [stderr]    Compiling arrayref v0.3.6
[INFO] [stderr]    Compiling fake-simd v0.1.2
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[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling canonical-path v0.1.1
[INFO] [stderr]    Compiling data-encoding v2.3.2
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[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling rand_os v0.1.3
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[INFO] [stderr]    Compiling rand v0.5.6
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[INFO] [stderr]    Compiling hostname v0.3.1
[INFO] [stderr]    Compiling getrandom v0.2.3
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[INFO] [stderr]    Compiling dirs v1.0.5
[INFO] [stderr]    Compiling socket2 v0.4.1
[INFO] [stderr]    Compiling isatty v0.1.9
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling parking_lot v0.9.0
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[INFO] [stderr]    Compiling resolv-conf v0.6.3
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[INFO] [stderr]    Compiling v_escape_derive v0.5.6
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[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling string v0.2.1
[INFO] [stderr]    Compiling tokio-buf v0.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.5.5
[INFO] [stderr]    Compiling cookie v0.12.0
[INFO] [stderr]    Compiling url_serde v0.2.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-fs v0.1.7
[INFO] [stderr]    Compiling cookie v0.11.4
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling v_escape v0.7.4
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling uuid v0.7.4
[INFO] [stderr]    Compiling tokio-udp v0.1.6
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling tokio-uds v0.2.7
[INFO] [stderr]    Compiling tokio-signal v0.2.9
[INFO] [stderr]    Compiling cookie_store v0.7.0
[INFO] [stderr]    Compiling serde_qs v0.4.6
[INFO] [stderr]    Compiling h2 v0.1.26
[INFO] [stderr]    Compiling http-body v0.1.0
[INFO] [stderr]    Compiling parking_lot v0.7.1
[INFO] [stderr]    Compiling trust-dns-proto v0.6.3
[INFO] [stderr]    Compiling trust-dns-proto v0.5.0
[INFO] [stderr]    Compiling tokio v0.1.22
[INFO] [stderr]    Compiling simplelog v0.5.3
[INFO] [stderr]    Compiling trust-dns-resolver v0.10.3
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]    Compiling abscissa_derive v0.0.2
[INFO] [stderr]    Compiling actix_derive v0.3.2
[INFO] [stderr]    Compiling hyper v0.12.36
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr]    Compiling actix v0.7.9
[INFO] [stderr]    Compiling abscissa v0.0.4
[INFO] [stderr]    Compiling hyper-tls v0.3.2
[INFO] [stderr]    Compiling reqwest v0.9.24
[INFO] [stderr]    Compiling actix-net v0.2.6
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling oauth2 v2.0.0
[INFO] [stderr]    Compiling olaf2 v0.0.3 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0252]: the name `Serialize` is defined multiple times
[INFO] [stdout]  --> src/msgs.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de::DeserializeOwned, Serialize};
[INFO] [stdout]   |                                   --------- previous import of the macro `Serialize` here
[INFO] [stdout] 3 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                                 ^^^^^^^^^ `Serialize` reimported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Serialize` must be defined only once in the macro namespace of this module
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `actix_web::server::Server`
[INFO] [stdout]   --> src/client.rs:14:20
[INFO] [stdout]    |
[INFO] [stdout] 14 |     server::{self, Server},
[INFO] [stdout]    |                    ^^^^^^ no `Server` in `server`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]    --> src/lib.rs:151:1
[INFO] [stdout]     |
[INFO] [stdout] 151 | #![feature(uniform_paths)]
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove the attribute
[INFO] [stdout]     |
[INFO] [stdout]     = help: the feature `uniform_paths` has been stable since 1.32.0 and no longer requires an attribute to enable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `lazy_static::lazy_static`
[INFO] [stdout]   --> src/client.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 17 | use lazy_static::lazy_static;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde_derive::Deserialize`
[INFO] [stdout]   --> src/client.rs:22:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | use serde_derive::Deserialize;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::util::*`
[INFO] [stdout]   --> src/client.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use crate::util::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `de::DeserializeOwned`
[INFO] [stdout]  --> src/msgs.rs:2:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use serde::{de::DeserializeOwned, Serialize};
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Serialize`
[INFO] [stdout]  --> src/msgs.rs:3:33
[INFO] [stdout]   |
[INFO] [stdout] 3 | use serde_derive::{Deserialize, Serialize};
[INFO] [stdout]   |                                 ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0252, E0432, E0554.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0252`.
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "8f4045012b10611bf57c184136b69b987eb93753fa1549dae82eea3f1a894a0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f4045012b10611bf57c184136b69b987eb93753fa1549dae82eea3f1a894a0d", kill_on_drop: false }`
[INFO] [stdout] 8f4045012b10611bf57c184136b69b987eb93753fa1549dae82eea3f1a894a0d
