[INFO] fetching crate cepler 0.7.15...
[INFO] checking cepler-0.7.15 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate cepler 0.7.15 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate cepler 0.7.15 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-4-tc1/source/rust-toolchain.toml
[INFO] started tweaking crates.io crate cepler 0.7.15
[INFO] finished tweaking crates.io crate cepler 0.7.15
[INFO] tweaked toml for crates.io crate cepler 0.7.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate cepler 0.7.15 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--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]  Downloading crates ...
[INFO] [stderr]   Downloaded url v2.3.0
[INFO] [stderr]   Downloaded git2 v0.13.25
[INFO] [stderr]   Downloaded openssl-sys v0.9.75
[INFO] [stderr]   Downloaded serde_derive v1.0.144
[INFO] [stderr]   Downloaded serde v1.0.144
[INFO] [stderr]   Downloaded serde_json v1.0.85
[INFO] [stderr]   Downloaded anyhow v1.0.64
[INFO] [stderr]   Downloaded libc v0.2.132
[INFO] [stderr]   Downloaded libz-sys v1.1.8
[INFO] [stderr]   Downloaded libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]   Downloaded openssl-src v111.22.0+1.1.1q
[INFO] [stderr]   Downloaded stringreader v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2dbb1e043123932375aa655e33499feae196146939458ac038382ab74ab53ea1
[INFO] running `Command { std: "docker" "start" "-a" "2dbb1e043123932375aa655e33499feae196146939458ac038382ab74ab53ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2dbb1e043123932375aa655e33499feae196146939458ac038382ab74ab53ea1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2dbb1e043123932375aa655e33499feae196146939458ac038382ab74ab53ea1", kill_on_drop: false }`
[INFO] [stdout] 2dbb1e043123932375aa655e33499feae196146939458ac038382ab74ab53ea1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c9b5e6ce5bfa0fde6e186af88405e45c959a6a892c082b601ed9da1162b2c1b0
[INFO] running `Command { std: "docker" "start" "-a" "c9b5e6ce5bfa0fde6e186af88405e45c959a6a892c082b601ed9da1162b2c1b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]    Compiling serde_json v1.0.85
[INFO] [stderr]     Checking unicode-normalization v0.1.21
[INFO] [stderr]    Compiling anyhow v1.0.64
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking ryu v1.0.11
[INFO] [stderr]     Checking indexmap v1.9.1
[INFO] [stderr]     Checking itoa v1.0.3
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking stringreader v0.1.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]     Checking url v2.3.0
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling openssl-src v111.22.0+1.1.1q
[INFO] [stderr]    Compiling libz-sys v1.1.8
[INFO] [stderr]    Compiling libssh2-sys v0.2.23
[INFO] [stderr]    Compiling libgit2-sys v0.12.26+1.3.0
[INFO] [stderr]    Compiling openssl-sys v0.9.75
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking git2 v0.13.25
[INFO] [stderr]     Checking cepler v0.7.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `uri`, `branch`, and `private_key` are never read
[INFO] [stdout]    --> src/config.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct RepoConfig {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 122 |     pub uri: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 123 |     pub branch: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 124 |     pub private_key: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepoConfig` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `uri`, `branch`, and `private_key` are never read
[INFO] [stdout]    --> src/config.rs:122:9
[INFO] [stdout]     |
[INFO] [stdout] 121 | pub struct RepoConfig {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] 122 |     pub uri: String,
[INFO] [stdout]     |         ^^^
[INFO] [stdout] 123 |     pub branch: String,
[INFO] [stdout]     |         ^^^^^^
[INFO] [stdout] 124 |     pub private_key: String,
[INFO] [stdout]     |         ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RepoConfig` 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 38.39s
[INFO] running `Command { std: "docker" "inspect" "c9b5e6ce5bfa0fde6e186af88405e45c959a6a892c082b601ed9da1162b2c1b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c9b5e6ce5bfa0fde6e186af88405e45c959a6a892c082b601ed9da1162b2c1b0", kill_on_drop: false }`
[INFO] [stdout] c9b5e6ce5bfa0fde6e186af88405e45c959a6a892c082b601ed9da1162b2c1b0