[INFO] fetching crate hop 0.1.11...
[INFO] checking hop-0.1.11 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate hop 0.1.11 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate hop 0.1.11 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 hop 0.1.11
[INFO] finished tweaking crates.io crate hop 0.1.11
[INFO] tweaked toml for crates.io crate hop 0.1.11 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate hop 0.1.11 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]     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-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8496b4f1f36b0ee56854cda13feb73cf31fe2a90313cc3315734cfab0173c020
[INFO] running `Command { std: "docker" "start" "-a" "8496b4f1f36b0ee56854cda13feb73cf31fe2a90313cc3315734cfab0173c020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8496b4f1f36b0ee56854cda13feb73cf31fe2a90313cc3315734cfab0173c020", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8496b4f1f36b0ee56854cda13feb73cf31fe2a90313cc3315734cfab0173c020", kill_on_drop: false }`
[INFO] [stdout] 8496b4f1f36b0ee56854cda13feb73cf31fe2a90313cc3315734cfab0173c020
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] cfa6a8b0fc4542ceeb910aebdbe197970ca7bf7610fbaeacb22c98c97ff8875a
[INFO] running `Command { std: "docker" "start" "-a" "cfa6a8b0fc4542ceeb910aebdbe197970ca7bf7610fbaeacb22c98c97ff8875a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]    Compiling hop v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/client/http/mod.rs:5:38
[INFO] [stdout]    |
[INFO] [stdout] 5  | use reqwest::{Client as AsyncClient, Method, StatusCode};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/client/http/mod.rs:5:38
[INFO] [stdout]    |
[INFO] [stdout] 5  | use reqwest::{Client as AsyncClient, Method, StatusCode};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `success` is never read
[INFO] [stdout]  --> src/client/http/types.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Base<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 9 |     pub success: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Base` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `success` is never read
[INFO] [stdout]  --> src/client/http/types.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Base<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 9 |     pub success: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Base` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.18s
[INFO] running `Command { std: "docker" "inspect" "cfa6a8b0fc4542ceeb910aebdbe197970ca7bf7610fbaeacb22c98c97ff8875a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfa6a8b0fc4542ceeb910aebdbe197970ca7bf7610fbaeacb22c98c97ff8875a", kill_on_drop: false }`
[INFO] [stdout] cfa6a8b0fc4542ceeb910aebdbe197970ca7bf7610fbaeacb22c98c97ff8875a
[INFO] checking hop-0.1.11 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate hop 0.1.11 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate hop 0.1.11 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 hop 0.1.11
[INFO] finished tweaking crates.io crate hop 0.1.11
[INFO] tweaked toml for crates.io crate hop 0.1.11 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate hop 0.1.11 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 8ddc6017ae7421da5dcdad9ba2553594312158f2b42d8845f793167e3210e50e
[INFO] running `Command { std: "docker" "start" "-a" "8ddc6017ae7421da5dcdad9ba2553594312158f2b42d8845f793167e3210e50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ddc6017ae7421da5dcdad9ba2553594312158f2b42d8845f793167e3210e50e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ddc6017ae7421da5dcdad9ba2553594312158f2b42d8845f793167e3210e50e", kill_on_drop: false }`
[INFO] [stdout] 8ddc6017ae7421da5dcdad9ba2553594312158f2b42d8845f793167e3210e50e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 2c9c2b21e3b81633b5e874ba12ce793ebcecb6504de5aa44cd601b38b82b0806
[INFO] running `Command { std: "docker" "start" "-a" "2c9c2b21e3b81633b5e874ba12ce793ebcecb6504de5aa44cd601b38b82b0806", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling proc-macro2 v1.0.68
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]    Compiling rustls v0.21.7
[INFO] [stderr]    Compiling mime_guess v2.0.4
[INFO] [stderr]     Checking base64 v0.21.4
[INFO] [stderr]     Checking webpki-roots v0.25.2
[INFO] [stderr]    Compiling hop v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking dotenv v0.15.0
[INFO] [stderr]     Checking rustls-pemfile v1.0.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]     Checking parking_lot_core v0.9.8
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking mio v0.8.8
[INFO] [stderr]     Checking socket2 v0.5.4
[INFO] [stderr]     Checking socket2 v0.4.9
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]     Checking tokio v1.32.0
[INFO] [stderr]     Checking sct v0.7.0
[INFO] [stderr]     Checking rustls-webpki v0.101.6
[INFO] [stderr]     Checking serde v1.0.188
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking tokio-rustls v0.24.1
[INFO] [stderr]     Checking h2 v0.3.21
[INFO] [stderr]     Checking serde_json v1.0.107
[INFO] [stderr]     Checking serde_urlencoded v0.7.1
[INFO] [stderr]     Checking hyper v0.14.27
[INFO] [stderr]     Checking hyper-rustls v0.24.1
[INFO] [stderr]     Checking reqwest v0.11.22
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/client/http/mod.rs:5:38
[INFO] [stdout]    |
[INFO] [stdout] 5  | use reqwest::{Client as AsyncClient, Method, StatusCode};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Method` is imported redundantly
[INFO] [stdout]   --> src/client/http/mod.rs:5:38
[INFO] [stdout]    |
[INFO] [stdout] 5  | use reqwest::{Client as AsyncClient, Method, StatusCode};
[INFO] [stdout]    |                                      ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 10 | use crate::prelude::*;
[INFO] [stdout]    |     ----------------- the item `Method` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `success` is never read
[INFO] [stdout]  --> src/client/http/types.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Base<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 9 |     pub success: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Base` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `success` is never read
[INFO] [stdout]  --> src/client/http/types.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Base<T> {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 9 |     pub success: bool,
[INFO] [stdout]   |         ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Base` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 26.38s
[INFO] running `Command { std: "docker" "inspect" "2c9c2b21e3b81633b5e874ba12ce793ebcecb6504de5aa44cd601b38b82b0806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c9c2b21e3b81633b5e874ba12ce793ebcecb6504de5aa44cd601b38b82b0806", kill_on_drop: false }`
[INFO] [stdout] 2c9c2b21e3b81633b5e874ba12ce793ebcecb6504de5aa44cd601b38b82b0806