[INFO] fetching crate fcode 1.0.0...
[INFO] checking fcode-1.0.0 against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] extracting crate fcode 1.0.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate fcode 1.0.0 on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fcode 1.0.0
[INFO] finished tweaking crates.io crate fcode 1.0.0
[INFO] tweaked toml for crates.io crate fcode 1.0.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate fcode 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dd2e3d26ec067b0fd6f30d79b8efbefab4c5453e33df79a8a1ef6d5b92db4d2
[INFO] running `Command { std: "docker" "start" "-a" "0dd2e3d26ec067b0fd6f30d79b8efbefab4c5453e33df79a8a1ef6d5b92db4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0dd2e3d26ec067b0fd6f30d79b8efbefab4c5453e33df79a8a1ef6d5b92db4d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0dd2e3d26ec067b0fd6f30d79b8efbefab4c5453e33df79a8a1ef6d5b92db4d2", kill_on_drop: false }`
[INFO] [stdout] 0dd2e3d26ec067b0fd6f30d79b8efbefab4c5453e33df79a8a1ef6d5b92db4d2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7a2e1778a05ae6c44346716e1d1e4fe1be1d1d12ee3314cb634e2d2d65b5d675
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "7a2e1778a05ae6c44346716e1d1e4fe1be1d1d12ee3314cb634e2d2d65b5d675", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling itertools v0.9.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling prost-derive v0.7.0
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking prost v0.7.0
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking bincode v1.3.2
[INFO] [stderr]     Checking serde_json v1.0.63
[INFO] [stderr]     Checking serde_bytes v0.11.5
[INFO] [stderr]     Checking fcode v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary trailing semicolon
[INFO] [stdout]    --> src/tests.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 |     };
[INFO] [stdout]     |      ^ help: remove this semicolon
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(redundant_semicolons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 44.68s
[INFO] running `Command { std: "docker" "inspect" "7a2e1778a05ae6c44346716e1d1e4fe1be1d1d12ee3314cb634e2d2d65b5d675", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a2e1778a05ae6c44346716e1d1e4fe1be1d1d12ee3314cb634e2d2d65b5d675", kill_on_drop: false }`
[INFO] [stdout] 7a2e1778a05ae6c44346716e1d1e4fe1be1d1d12ee3314cb634e2d2d65b5d675