[INFO] fetching crate cargo-frc 0.4.0...
[INFO] checking cargo-frc-0.4.0 against master#db1fb85cff63ad5fffe435e17128f99f9e1d970c for pr-89056
[INFO] extracting crate cargo-frc 0.4.0 into /workspace/builds/worker-63/source
[INFO] validating manifest of crates.io crate cargo-frc 0.4.0 on toolchain db1fb85cff63ad5fffe435e17128f99f9e1d970c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-frc 0.4.0
[INFO] finished tweaking crates.io crate cargo-frc 0.4.0
[INFO] tweaked toml for crates.io crate cargo-frc 0.4.0 written to /workspace/builds/worker-63/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fern v0.5.9
[INFO] [stderr]   Downloaded pretty_env_logger v0.2.5
[INFO] [stderr]   Downloaded subprocess v0.1.20
[INFO] [stderr]   Downloaded ref_slice v1.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 30607a069fa23d813191cfed2264c6e11efc8ba3a5bb9b05638ddb3e32f88123
[INFO] running `Command { std: "docker" "start" "-a" "30607a069fa23d813191cfed2264c6e11efc8ba3a5bb9b05638ddb3e32f88123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "30607a069fa23d813191cfed2264c6e11efc8ba3a5bb9b05638ddb3e32f88123", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "30607a069fa23d813191cfed2264c6e11efc8ba3a5bb9b05638ddb3e32f88123", kill_on_drop: false }`
[INFO] [stdout] 30607a069fa23d813191cfed2264c6e11efc8ba3a5bb9b05638ddb3e32f88123
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-63/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+db1fb85cff63ad5fffe435e17128f99f9e1d970c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7da12261bd3f0103060f489bf7febf37a2069421580ec7471648f7bd12c84a48
[INFO] running `Command { std: "docker" "start" "-a" "7da12261bd3f0103060f489bf7febf37a2069421580ec7471648f7bd12c84a48", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking ref_slice v1.2.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking serde_json v1.0.68
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking subprocess v0.1.20
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking fern v0.5.9
[INFO] [stderr]     Checking pretty_env_logger v0.2.5
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking cargo-frc v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]    --> src/deploy.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         ref_slice(&script_path),
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]    --> src/deploy.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ref_slice(&executable_path),
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]    --> src/deploy.rs:127:9
[INFO] [stdout]     |
[INFO] [stdout] 127 |         ref_slice(&script_path),
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `ref_slice::ref_slice`: Similar method was added to std and stabilized in rust 1.28.0. Use `core::slice::from_ref` instead.
[INFO] [stdout]    --> src/deploy.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         ref_slice(&executable_path),
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.18s
[INFO] running `Command { std: "docker" "inspect" "7da12261bd3f0103060f489bf7febf37a2069421580ec7471648f7bd12c84a48", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7da12261bd3f0103060f489bf7febf37a2069421580ec7471648f7bd12c84a48", kill_on_drop: false }`
[INFO] [stdout] 7da12261bd3f0103060f489bf7febf37a2069421580ec7471648f7bd12c84a48