[INFO] fetching crate mhtemplate 1.0.0...
[INFO] checking mhtemplate-1.0.0 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate mhtemplate 1.0.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate mhtemplate 1.0.0 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] started tweaking crates.io crate mhtemplate 1.0.0
[INFO] finished tweaking crates.io crate mhtemplate 1.0.0
[INFO] tweaked toml for crates.io crate mhtemplate 1.0.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "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 7 packages to latest compatible versions
[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] 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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac0ddb27fcb6ae266b0b7beef57d35fe40ea50a45c4d5ca83c4c522e936d5924
[INFO] running `Command { std: "docker" "start" "-a" "ac0ddb27fcb6ae266b0b7beef57d35fe40ea50a45c4d5ca83c4c522e936d5924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac0ddb27fcb6ae266b0b7beef57d35fe40ea50a45c4d5ca83c4c522e936d5924", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac0ddb27fcb6ae266b0b7beef57d35fe40ea50a45c4d5ca83c4c522e936d5924", kill_on_drop: false }`
[INFO] [stdout] ac0ddb27fcb6ae266b0b7beef57d35fe40ea50a45c4d5ca83c4c522e936d5924
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 731ae8b0572b641da746d5302c99edf23084495604bd299e9cf20dde4f8a209c
[INFO] running `Command { std: "docker" "start" "-a" "731ae8b0572b641da746d5302c99edf23084495604bd299e9cf20dde4f8a209c", kill_on_drop: false }`
[INFO] [stderr]     Checking mhtemplate v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `RawNode` is never constructed
[INFO] [stdout]    --> src/template.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | struct RawNode(String);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RawNode` has a derived impl for the trait `Default`, 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: field `source` is never read
[INFO] [stdout]    --> src/template.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct TemplateFactory {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 226 |     source: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TemplateFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RawNode` is never constructed
[INFO] [stdout]    --> src/template.rs:196:8
[INFO] [stdout]     |
[INFO] [stdout] 196 | struct RawNode(String);
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RawNode` has a derived impl for the trait `Default`, 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: field `source` is never read
[INFO] [stdout]    --> src/template.rs:226:5
[INFO] [stdout]     |
[INFO] [stdout] 225 | pub struct TemplateFactory {
[INFO] [stdout]     |            --------------- field in this struct
[INFO] [stdout] 226 |     source: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `TemplateFactory` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "731ae8b0572b641da746d5302c99edf23084495604bd299e9cf20dde4f8a209c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "731ae8b0572b641da746d5302c99edf23084495604bd299e9cf20dde4f8a209c", kill_on_drop: false }`
[INFO] [stdout] 731ae8b0572b641da746d5302c99edf23084495604bd299e9cf20dde4f8a209c