[INFO] fetching crate gelbooru-api 0.4.0...
[INFO] checking gelbooru-api-0.4.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate gelbooru-api 0.4.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate gelbooru-api 0.4.0 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 gelbooru-api 0.4.0
[INFO] finished tweaking crates.io crate gelbooru-api 0.4.0
[INFO] tweaked toml for crates.io crate gelbooru-api 0.4.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate gelbooru-api 0.4.0 already has a lockfile, it will not be regenerated
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v1.0.38
[INFO] [stderr]   Downloaded rustls v0.20.5
[INFO] [stderr]   Downloaded tokio v1.18.2
[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] 78662ef2bd766c81c0292a24fe4a057e067143551b620356db3d611b4fec50a6
[INFO] running `Command { std: "docker" "start" "-a" "78662ef2bd766c81c0292a24fe4a057e067143551b620356db3d611b4fec50a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "78662ef2bd766c81c0292a24fe4a057e067143551b620356db3d611b4fec50a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78662ef2bd766c81c0292a24fe4a057e067143551b620356db3d611b4fec50a6", kill_on_drop: false }`
[INFO] [stdout] 78662ef2bd766c81c0292a24fe4a057e067143551b620356db3d611b4fec50a6
[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] 09ca59ccb714d04ec7cc6de324a93a8bc6a7b529ae4f9c52bdd7617058a034cc
[INFO] running `Command { std: "docker" "start" "-a" "09ca59ccb714d04ec7cc6de324a93a8bc6a7b529ae4f9c52bdd7617058a034cc", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling rustls v0.20.5
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking gelbooru-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[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 18.16s
[INFO] running `Command { std: "docker" "inspect" "09ca59ccb714d04ec7cc6de324a93a8bc6a7b529ae4f9c52bdd7617058a034cc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09ca59ccb714d04ec7cc6de324a93a8bc6a7b529ae4f9c52bdd7617058a034cc", kill_on_drop: false }`
[INFO] [stdout] 09ca59ccb714d04ec7cc6de324a93a8bc6a7b529ae4f9c52bdd7617058a034cc
[INFO] checking gelbooru-api-0.4.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate gelbooru-api 0.4.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate gelbooru-api 0.4.0 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 gelbooru-api 0.4.0
[INFO] finished tweaking crates.io crate gelbooru-api 0.4.0
[INFO] tweaked toml for crates.io crate gelbooru-api 0.4.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate gelbooru-api 0.4.0 already has a lockfile, it will not be regenerated
[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] 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] 890a2ab0731b60ac37b405ef9bff6acc43a87d06da2638cd0f5b861cd8bc6227
[INFO] running `Command { std: "docker" "start" "-a" "890a2ab0731b60ac37b405ef9bff6acc43a87d06da2638cd0f5b861cd8bc6227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890a2ab0731b60ac37b405ef9bff6acc43a87d06da2638cd0f5b861cd8bc6227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890a2ab0731b60ac37b405ef9bff6acc43a87d06da2638cd0f5b861cd8bc6227", kill_on_drop: false }`
[INFO] [stdout] 890a2ab0731b60ac37b405ef9bff6acc43a87d06da2638cd0f5b861cd8bc6227
[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] 20f81f99a12319672d9b38cf2e8a4fcdc1545ae58ffa378c7bac53001f76a94b
[INFO] running `Command { std: "docker" "start" "-a" "20f81f99a12319672d9b38cf2e8a4fcdc1545ae58ffa378c7bac53001f76a94b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.125
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling rustls v0.20.5
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking tracing v0.1.34
[INFO] [stderr]     Checking rustls-pemfile v1.0.0
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking rustls-native-certs v0.6.2
[INFO] [stderr]     Checking futures-channel v0.3.21
[INFO] [stderr]     Checking mio v0.8.3
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking webpki v0.22.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.137
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking tokio v1.18.2
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking hyper v0.14.18
[INFO] [stderr]     Checking tokio-rustls v0.23.4
[INFO] [stderr]     Checking serde v1.0.137
[INFO] [stderr]     Checking hyper-rustls v0.23.0
[INFO] [stderr]     Checking gelbooru-api v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `AsRef` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:20
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                    ^^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `AsRef` is already defined here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Into` is imported redundantly
[INFO] [stdout]   --> src/api.rs:10:27
[INFO] [stdout]    |
[INFO] [stdout] 10 | use std::convert::{AsRef, Into};
[INFO] [stdout]    |                           ^^^^
[INFO] [stdout]   --> /rustc/2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `Into` is already defined here
[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 13.74s
[INFO] running `Command { std: "docker" "inspect" "20f81f99a12319672d9b38cf2e8a4fcdc1545ae58ffa378c7bac53001f76a94b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "20f81f99a12319672d9b38cf2e8a4fcdc1545ae58ffa378c7bac53001f76a94b", kill_on_drop: false }`
[INFO] [stdout] 20f81f99a12319672d9b38cf2e8a4fcdc1545ae58ffa378c7bac53001f76a94b