[INFO] fetching crate june 0.1.0...
[INFO] checking june-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate june 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate june 0.1.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate june 0.1.0
[INFO] finished tweaking crates.io crate june 0.1.0
[INFO] tweaked toml for crates.io crate june 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 236 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding async-tungstenite v0.17.2 (latest: v0.25.1)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding compact_str v0.4.1 (latest: v0.7.1)
[INFO] [stderr]       Adding compact_str v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding embedded-io v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gloo-net v0.1.0 (latest: v0.5.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quinn v0.8.5 (latest: v0.10.2)
[INFO] [stderr]       Adding quinn-proto v0.8.4 (latest: v0.10.6)
[INFO] [stderr]       Adding quinn-udp v0.1.4 (latest: v0.4.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.20.9 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v0.2.1 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tungstenite v0.17.3 (latest: v0.21.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded maquio v0.1.2
[INFO] [stderr]   Downloaded quinn v0.8.5
[INFO] [stderr]   Downloaded take_mut v0.2.2
[INFO] [stderr]   Downloaded blake2 v0.10.6
[INFO] [stderr]   Downloaded io_err v0.1.0
[INFO] [stderr]   Downloaded quinn-udp v0.1.4
[INFO] [stderr]   Downloaded canary v0.3.3
[INFO] [stderr]   Downloaded actix-macros v0.2.4
[INFO] [stderr]   Downloaded actix-rt v2.9.0
[INFO] [stderr]   Downloaded actix_derive v0.6.1
[INFO] [stderr]   Downloaded snow v0.9.6
[INFO] [stderr]   Downloaded actix v0.13.3
[INFO] [stderr]   Downloaded async-timer v0.7.4
[INFO] [stderr]   Downloaded async-tungstenite v0.17.2
[INFO] [stderr]   Downloaded bson v2.10.0
[INFO] [stderr]   Downloaded compact_str v0.5.2
[INFO] [stderr]   Downloaded cobs v0.2.3
[INFO] [stderr]   Downloaded embedded-io v0.4.0
[INFO] [stderr]   Downloaded atomic-polyfill v1.0.3
[INFO] [stderr]   Downloaded heapless v0.7.17
[INFO] [stderr]   Downloaded postcard v1.0.8
[INFO] [stderr]   Downloaded rustls-pemfile v0.2.1
[INFO] [stderr]   Downloaded quinn-proto v0.8.4
[INFO] [stderr]   Downloaded compact_str v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] de98a52d24d2c62053985670e378f09e95b6d52d0d9c59077226d140090b0ac8
[INFO] running `Command { std: "docker" "start" "-a" "de98a52d24d2c62053985670e378f09e95b6d52d0d9c59077226d140090b0ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "de98a52d24d2c62053985670e378f09e95b6d52d0d9c59077226d140090b0ac8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "de98a52d24d2c62053985670e378f09e95b6d52d0d9c59077226d140090b0ac8", kill_on_drop: false }`
[INFO] [stdout] de98a52d24d2c62053985670e378f09e95b6d52d0d9c59077226d140090b0ac8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6faa584370c710d15dbf19f95c27ca2a32bdec130e16d997fc37826ca83e9d5e
[INFO] running `Command { std: "docker" "start" "-a" "6faa584370c710d15dbf19f95c27ca2a32bdec130e16d997fc37826ca83e9d5e", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking tokio v1.37.0
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking ring v0.17.8
[INFO] [stderr]     Checking cipher v0.4.4
[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
[INFO] [stderr]     Checking aead v0.5.2
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling heapless v0.7.17
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking ghash v0.5.1
[INFO] [stderr]     Checking sha-1 v0.10.1
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking aes v0.8.4
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking socket2 v0.4.10
[INFO] [stderr]     Checking zerocopy v0.7.32
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking utf-8 v0.7.6
[INFO] [stderr]     Checking tungstenite v0.17.3
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking futures-executor v0.3.30
[INFO] [stderr]     Checking aes-gcm v0.10.3
[INFO] [stderr]     Checking chacha20poly1305 v0.10.1
[INFO] [stderr]     Checking rmp v0.8.12
[INFO] [stderr]     Checking time v0.3.34
[INFO] [stderr]     Checking castaway v0.2.2
[INFO] [stderr]     Checking sha2 v0.10.8
[INFO] [stderr]     Checking blake2 v0.10.6
[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking cobs v0.2.3
[INFO] [stderr]     Checking embedded-io v0.4.0
[INFO] [stderr]     Checking backoff v0.4.0
[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking actix-rt v2.9.0
[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking quinn-proto v0.8.4
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]    Compiling actix_derive v0.6.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking actix v0.13.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking quinn-udp v0.1.4
[INFO] [stderr]     Checking quinn v0.8.5
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking compact_str v0.5.2
[INFO] [stderr]     Checking io_err v0.1.0
[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking postcard v1.0.8
[INFO] [stderr]     Checking bson v2.10.0
[INFO] [stderr]     Checking canary v0.3.3
[INFO] [stderr]     Checking june v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Actor` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Actor` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Message` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Message` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Actor` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Actor` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Message` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Message` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 55.25s
[INFO] running `Command { std: "docker" "inspect" "6faa584370c710d15dbf19f95c27ca2a32bdec130e16d997fc37826ca83e9d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6faa584370c710d15dbf19f95c27ca2a32bdec130e16d997fc37826ca83e9d5e", kill_on_drop: false }`
[INFO] [stdout] 6faa584370c710d15dbf19f95c27ca2a32bdec130e16d997fc37826ca83e9d5e
[INFO] checking june-0.1.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate june 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate june 0.1.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate june 0.1.0
[INFO] finished tweaking crates.io crate june 0.1.0
[INFO] tweaked toml for crates.io crate june 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 236 packages
[INFO] [stderr]       Adding ahash v0.7.8 (latest: v0.8.11)
[INFO] [stderr]       Adding async-tungstenite v0.17.2 (latest: v0.25.1)
[INFO] [stderr]       Adding base64 v0.13.1 (latest: v0.22.0)
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding compact_str v0.4.1 (latest: v0.7.1)
[INFO] [stderr]       Adding compact_str v0.5.2 (latest: v0.7.1)
[INFO] [stderr]       Adding convert_case v0.4.0 (latest: v0.6.0)
[INFO] [stderr]       Adding derive-new v0.5.9 (latest: v0.6.0)
[INFO] [stderr]       Adding embedded-io v0.4.0 (latest: v0.6.1)
[INFO] [stderr]       Adding fastrand v1.9.0 (latest: v2.0.2)
[INFO] [stderr]       Adding futures-lite v1.13.0 (latest: v2.3.0)
[INFO] [stderr]       Adding generic-array v0.14.7 (latest: v1.0.0)
[INFO] [stderr]       Adding gloo-net v0.1.0 (latest: v0.5.0)
[INFO] [stderr]       Adding gloo-utils v0.1.7 (latest: v0.2.0)
[INFO] [stderr]       Adding hash32 v0.2.1 (latest: v0.3.1)
[INFO] [stderr]       Adding heapless v0.7.17 (latest: v0.8.0)
[INFO] [stderr]       Adding http v0.2.12 (latest: v1.1.0)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding quinn v0.8.5 (latest: v0.10.2)
[INFO] [stderr]       Adding quinn-proto v0.8.4 (latest: v0.10.6)
[INFO] [stderr]       Adding quinn-udp v0.1.4 (latest: v0.4.1)
[INFO] [stderr]       Adding radium v0.7.0 (latest: v1.1.0)
[INFO] [stderr]       Adding redox_syscall v0.4.1 (latest: v0.5.1)
[INFO] [stderr]       Adding ring v0.16.20 (latest: v0.17.8)
[INFO] [stderr]       Adding rustls v0.20.9 (latest: v0.23.4)
[INFO] [stderr]       Adding rustls-native-certs v0.6.3 (latest: v0.7.0)
[INFO] [stderr]       Adding rustls-pemfile v0.2.1 (latest: v2.1.1)
[INFO] [stderr]       Adding rustls-pemfile v1.0.4 (latest: v2.1.1)
[INFO] [stderr]       Adding socket2 v0.4.10 (latest: v0.5.6)
[INFO] [stderr]       Adding spin v0.5.2 (latest: v0.9.8)
[INFO] [stderr]       Adding syn v1.0.109 (latest: v2.0.58)
[INFO] [stderr]       Adding tungstenite v0.17.3 (latest: v0.21.0)
[INFO] [stderr]       Adding untrusted v0.7.1 (latest: v0.9.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[INFO] [stderr]       Adding windows-sys v0.48.0 (latest: v0.52.0)
[INFO] [stderr]       Adding windows-targets v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_aarch64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_i686_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnu v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_gnullvm v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding windows_x86_64_msvc v0.48.5 (latest: v0.52.4)
[INFO] [stderr]       Adding wyz v0.5.1 (latest: v0.6.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f643cd86bf73f4a1426fb235b176658afc5a472de9152f07d2a24dae2911730
[INFO] running `Command { std: "docker" "start" "-a" "1f643cd86bf73f4a1426fb235b176658afc5a472de9152f07d2a24dae2911730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f643cd86bf73f4a1426fb235b176658afc5a472de9152f07d2a24dae2911730", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f643cd86bf73f4a1426fb235b176658afc5a472de9152f07d2a24dae2911730", kill_on_drop: false }`
[INFO] [stdout] 1f643cd86bf73f4a1426fb235b176658afc5a472de9152f07d2a24dae2911730
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b92c5c2df62f4fe19e9ffe315d3abfeb15fd643a153832f57f754ec23d7d87b8
[INFO] running `Command { std: "docker" "start" "-a" "b92c5c2df62f4fe19e9ffe315d3abfeb15fd643a153832f57f754ec23d7d87b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]     Checking zeroize v1.7.0
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[INFO] [stderr]     Checking futures-channel v0.3.30
[INFO] [stderr]     Checking inout v0.1.3
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]     Checking base64 v0.13.1
[INFO] [stderr]     Checking futures-task v0.3.30
[INFO] [stderr]     Checking futures-io v0.3.30
[INFO] [stderr]     Checking ring v0.17.8
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[INFO] [stderr]     Checking futures-util v0.3.30
[INFO] [stderr]     Checking universal-hash v0.5.1
[INFO] [stderr]     Checking digest v0.10.7
[INFO] [stderr]    Compiling rustls v0.20.9
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling rustversion v1.0.14
[INFO] [stderr]    Compiling platforms v3.4.0
[INFO] [stderr]     Checking polyval v0.6.2
[INFO] [stderr]    Compiling curve25519-dalek v4.1.2
[INFO] [stderr]     Checking rustls-pemfile v0.2.1
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[INFO] [stderr]    Compiling heapless v0.7.17
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[INFO] [stderr]    Compiling ahash v0.8.11
[INFO] [stderr]     Checking webpki v0.22.4
[INFO] [stderr]     Checking sct v0.7.1
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling serde_json v1.0.115
[INFO] [stderr]    Compiling time-macros v0.2.17
[INFO] [stderr]     Checking ghash v0.5.1
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[INFO] [stderr]     Checking ctr v0.9.2
[INFO] [stderr]     Checking chacha20 v0.9.1
[INFO] [stderr]     Checking poly1305 v0.8.0
[INFO] [stderr]    Compiling snow v0.9.6
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling curve25519-dalek-derive v0.1.1
[INFO] [stderr]     Checking socket2 v0.4.10
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[INFO] [stderr]    Compiling serde_repr v0.1.18
[INFO] [stderr]     Checking cobs v0.2.3
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[INFO] [stderr]     Checking crossbeam-channel v0.5.12
[INFO] [stderr]     Checking actix-rt v2.9.0
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[INFO] [stderr]     Checking async-tungstenite v0.17.2
[INFO] [stderr]     Checking tokio-util v0.7.10
[INFO] [stderr]     Checking futures v0.3.30
[INFO] [stderr]    Compiling actix-macros v0.2.4
[INFO] [stderr]     Checking quinn-proto v0.8.4
[INFO] [stderr]    Compiling actix_derive v0.6.1
[INFO] [stderr]     Checking take_mut v0.2.2
[INFO] [stderr]     Checking actix v0.13.3
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking quinn-udp v0.1.4
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[INFO] [stderr]     Checking serde_bytes v0.11.14
[INFO] [stderr]     Checking uuid v1.8.0
[INFO] [stderr]     Checking bincode v1.3.3
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[INFO] [stderr]     Checking rmp-serde v1.1.2
[INFO] [stderr]     Checking compact_str v0.5.2
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[INFO] [stderr]     Checking bson v2.10.0
[INFO] [stderr]     Checking canary v0.3.3
[INFO] [stderr]     Checking june v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Actor` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Actor` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Message` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Message` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Actor` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:13
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Actor` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Message` is imported redundantly
[INFO] [stdout]  --> src/backend.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 2 | use actix::prelude::*;
[INFO] [stdout]   |     ----------------- the item `Message` is already imported here
[INFO] [stdout] 3 | use actix::{Actor, Message};
[INFO] [stdout]   |                    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 52.76s
[INFO] running `Command { std: "docker" "inspect" "b92c5c2df62f4fe19e9ffe315d3abfeb15fd643a153832f57f754ec23d7d87b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b92c5c2df62f4fe19e9ffe315d3abfeb15fd643a153832f57f754ec23d7d87b8", kill_on_drop: false }`
[INFO] [stdout] b92c5c2df62f4fe19e9ffe315d3abfeb15fd643a153832f57f754ec23d7d87b8