[INFO] fetching crate gha-runner 0.1.0...
[INFO] checking gha-runner-0.1.0 against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] extracting crate gha-runner 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate gha-runner 0.1.0 on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gha-runner 0.1.0
[INFO] finished tweaking crates.io crate gha-runner 0.1.0
[INFO] tweaked toml for crates.io crate gha-runner 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate crates.io crate gha-runner 0.1.0 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pin-project-internal v1.0.8
[INFO] [stderr]   Downloaded tinyvec v1.5.0
[INFO] [stderr]   Downloaded httparse v1.3.6
[INFO] [stderr]   Downloaded jsonwebtoken v7.2.0
[INFO] [stderr]   Downloaded serde_test v1.0.130
[INFO] [stderr]   Downloaded pin-project v1.0.8
[INFO] [stderr]   Downloaded serde_path_to_error v0.1.5
[INFO] [stderr]   Downloaded arc-swap v1.4.0
[INFO] [stderr]   Downloaded hyperx v1.3.0
[INFO] [stderr]   Downloaded addr2line v0.16.0
[INFO] [stderr]   Downloaded tokio v1.12.0
[INFO] [stderr]   Downloaded gimli v0.25.0
[INFO] [stderr]   Downloaded backtrace v0.3.62
[INFO] [stderr]   Downloaded snafu v0.6.10
[INFO] [stderr]   Downloaded octocrab v0.15.0
[INFO] [stderr]   Downloaded tokio-util v0.6.8
[INFO] [stderr]   Downloaded hyper v0.14.5
[INFO] [stderr]   Downloaded snafu-derive v0.6.10
[INFO] [stderr]   Downloaded tokio-macros v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 84ebbfee5948ad790d762393e77f64e743262bfadaa3bd160d5ce9d881f42fd6
[INFO] running `Command { std: "docker" "start" "-a" "84ebbfee5948ad790d762393e77f64e743262bfadaa3bd160d5ce9d881f42fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "84ebbfee5948ad790d762393e77f64e743262bfadaa3bd160d5ce9d881f42fd6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84ebbfee5948ad790d762393e77f64e743262bfadaa3bd160d5ce9d881f42fd6", kill_on_drop: false }`
[INFO] [stdout] 84ebbfee5948ad790d762393e77f64e743262bfadaa3bd160d5ce9d881f42fd6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f19cffd9e7c4f1e2fe4a65d941609233ed0332655181ec4b6dc12de62921d79f
[INFO] running `Command { std: "docker" "start" "-a" "f19cffd9e7c4f1e2fe4a65d941609233ed0332655181ec4b6dc12de62921d79f", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.81
[INFO] [stderr]    Compiling futures-core v0.3.17
[INFO] [stderr]    Compiling ring v0.16.20
[INFO] [stderr]    Compiling futures-macro v0.3.17
[INFO] [stderr]     Checking futures-sink v0.3.17
[INFO] [stderr]    Compiling futures-channel v0.3.17
[INFO] [stderr]    Compiling futures-task v0.3.17
[INFO] [stderr]    Compiling futures-util v0.3.17
[INFO] [stderr]    Compiling tokio v1.12.0
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking slab v0.4.5
[INFO] [stderr]     Checking futures-io v0.3.17
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling httparse v1.3.6
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]     Checking tinyvec v1.5.0
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[INFO] [stderr]    Compiling encoding_rs v0.8.29
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[INFO] [stderr]    Compiling async-trait v0.1.51
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[INFO] [stderr]     Checking atty v0.2.14
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[INFO] [stderr]     Checking ipnet v2.3.1
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[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling tokio-macros v1.5.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
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[INFO] [stderr]    Compiling structopt-derive v0.4.18
[INFO] [stderr]     Checking snafu v0.6.10
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[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures-executor v0.3.17
[INFO] [stderr]     Checking futures v0.3.17
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[INFO] [stderr]     Checking serde_json v1.0.68
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[INFO] [stderr]     Checking yaml-rust v0.4.5
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[INFO] [stderr]     Checking serde_yaml v0.8.21
[INFO] [stderr]     Checking jsonwebtoken v7.2.0
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking reqwest v0.11.6
[INFO] [stderr]     Checking octocrab v0.15.0
[INFO] [stderr]     Checking gha-runner v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]  --> src/contexts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_yaml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Value` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]  --> src/expressions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_yaml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `io` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `params` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use octocrab::{params, Octocrab};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `params` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]  --> src/contexts.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_yaml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 4 | use crate::*;
[INFO] [stdout]   |     -------- the item `Value` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Octocrab` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use octocrab::{params, Octocrab};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Octocrab` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Value` is imported redundantly
[INFO] [stdout]  --> src/expressions.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use serde_yaml::Value;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 2 |
[INFO] [stdout] 3 | use super::*;
[INFO] [stdout]   |     -------- the item `Value` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `io` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `io` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `params` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:5:16
[INFO] [stdout]   |
[INFO] [stdout] 5 | use octocrab::{params, Octocrab};
[INFO] [stdout]   |                ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `params` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Octocrab` is imported redundantly
[INFO] [stdout]  --> src/local_docker_backend.rs:5:24
[INFO] [stdout]   |
[INFO] [stdout] 5 | use octocrab::{params, Octocrab};
[INFO] [stdout]   |                        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 8 | use super::*;
[INFO] [stdout]   |     -------- the item `Octocrab` is already imported here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.69s
[INFO] running `Command { std: "docker" "inspect" "f19cffd9e7c4f1e2fe4a65d941609233ed0332655181ec4b6dc12de62921d79f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f19cffd9e7c4f1e2fe4a65d941609233ed0332655181ec4b6dc12de62921d79f", kill_on_drop: false }`
[INFO] [stdout] f19cffd9e7c4f1e2fe4a65d941609233ed0332655181ec4b6dc12de62921d79f