[INFO] fetching crate angelcake 1.0.0...
[INFO] checking angelcake-1.0.0 against master#1e225413a21fa69570bd3fefea9eb05e33f8b917 for pr-107421
[INFO] extracting crate angelcake 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate angelcake 1.0.0 on toolchain 1e225413a21fa69570bd3fefea9eb05e33f8b917
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate angelcake 1.0.0
[INFO] finished tweaking crates.io crate angelcake 1.0.0
[INFO] tweaked toml for crates.io crate angelcake 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate angelcake 1.0.0 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" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde v1.0.137
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.26
[INFO] [stderr]   Downloaded serde_json v1.0.81
[INFO] [stderr]   Downloaded regex v1.5.6
[INFO] [stderr]   Downloaded angelmarkup v1.1.0
[INFO] [stderr]   Downloaded cleasy v1.0.0
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0facdead91a440e6ce4e780c2860f57551297e9a362314c38a13265eb5e55804
[INFO] running `Command { std: "docker" "start" "-a" "0facdead91a440e6ce4e780c2860f57551297e9a362314c38a13265eb5e55804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0facdead91a440e6ce4e780c2860f57551297e9a362314c38a13265eb5e55804", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0facdead91a440e6ce4e780c2860f57551297e9a362314c38a13265eb5e55804", kill_on_drop: false }`
[INFO] [stdout] 0facdead91a440e6ce4e780c2860f57551297e9a362314c38a13265eb5e55804
[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@sha256:3d532c2baa59a8a48e45c3be7eb049f77ac5a58a7a6514a58a8e878df1c3d03d" "/opt/rustwide/cargo-home/bin/cargo" "+1e225413a21fa69570bd3fefea9eb05e33f8b917" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1d30a0ec59162142a49eb8c5cdd62d4eff41b0240004d32906f4af8e8f5850c0
[INFO] running `Command { std: "docker" "start" "-a" "1d30a0ec59162142a49eb8c5cdd62d4eff41b0240004d32906f4af8e8f5850c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling serde v1.0.137
[INFO] [stderr]    Compiling serde_json v1.0.81
[INFO] [stderr]     Checking itoa v1.0.2
[INFO] [stderr]     Checking regex-syntax v0.6.26
[INFO] [stderr]     Checking ryu v1.0.10
[INFO] [stderr]     Checking cleasy v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.5.6
[INFO] [stderr]     Checking angelmarkup v1.1.0
[INFO] [stderr]     Checking angelcake v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut result: String = String::from("");
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `result` is never read
[INFO] [stdout]   --> src/lib.rs:26:13
[INFO] [stdout]    |
[INFO] [stdout] 26 |     let mut result: String = String::from("");
[INFO] [stdout]    |             ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "1d30a0ec59162142a49eb8c5cdd62d4eff41b0240004d32906f4af8e8f5850c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1d30a0ec59162142a49eb8c5cdd62d4eff41b0240004d32906f4af8e8f5850c0", kill_on_drop: false }`
[INFO] [stdout] 1d30a0ec59162142a49eb8c5cdd62d4eff41b0240004d32906f4af8e8f5850c0