[INFO] fetching crate rsmooth 0.3.1...
[INFO] checking rsmooth-0.3.1 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate rsmooth 0.3.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate rsmooth 0.3.1 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate rsmooth 0.3.1
[INFO] finished tweaking crates.io crate rsmooth 0.3.1
[INFO] tweaked toml for crates.io crate rsmooth 0.3.1 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate rsmooth 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded slug v0.1.4
[INFO] [stderr]   Downloaded unic-char-property v0.9.0
[INFO] [stderr]   Downloaded regex v1.4.2
[INFO] [stderr]   Downloaded os_str_bytes v2.3.2
[INFO] [stderr]   Downloaded base64 v0.12.3
[INFO] [stderr]   Downloaded rust-argon2 v0.8.2
[INFO] [stderr]   Downloaded shellexpand v2.0.0
[INFO] [stderr]   Downloaded unic-char-range v0.9.0
[INFO] [stderr]   Downloaded unic-common v0.9.0
[INFO] [stderr]   Downloaded chrono-tz v0.5.3
[INFO] [stderr]   Downloaded globwalk v0.8.0
[INFO] [stderr]   Downloaded unic-segment v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-version v0.9.0
[INFO] [stderr]   Downloaded unic-ucd-segment v0.9.0
[INFO] [stderr]   Downloaded tera v1.5.0
[INFO] [stderr]   Downloaded parse-zoneinfo v0.3.0
[INFO] [stderr]   Downloaded humansize v1.1.0
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded regex-syntax v0.6.21
[INFO] [stderr]   Downloaded deunicode v0.4.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "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] 3f484ed92fa25aafbed7da420b94eca85465e7ca84d6806abd9b0460558d10d4
[INFO] running `Command { std: "docker" "start" "-a" "3f484ed92fa25aafbed7da420b94eca85465e7ca84d6806abd9b0460558d10d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3f484ed92fa25aafbed7da420b94eca85465e7ca84d6806abd9b0460558d10d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3f484ed92fa25aafbed7da420b94eca85465e7ca84d6806abd9b0460558d10d4", kill_on_drop: false }`
[INFO] [stdout] 3f484ed92fa25aafbed7da420b94eca85465e7ca84d6806abd9b0460558d10d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] f7cfe336ae5ef35dee3fbd807669f4420851e93eeb4e2d0fb5f1453d002cbc56
[INFO] running `Command { std: "docker" "start" "-a" "f7cfe336ae5ef35dee3fbd807669f4420851e93eeb4e2d0fb5f1453d002cbc56", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling getrandom v0.1.15
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking deunicode v0.4.3
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking os_str_bytes v2.3.2
[INFO] [stderr]     Checking humansize v1.1.0
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking unic-ucd-segment v0.9.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking dirs-sys v0.3.5
[INFO] [stderr]     Checking textwrap v0.12.1
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]     Checking slug v0.1.4
[INFO] [stderr]     Checking dirs v2.0.2
[INFO] [stderr]     Checking shellexpand v2.0.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking unic-segment v0.9.0
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling parse-zoneinfo v0.3.0
[INFO] [stderr]     Checking ignore v0.4.16
[INFO] [stderr]    Compiling chrono-tz v0.5.3
[INFO] [stderr]     Checking globwalk v0.8.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]     Checking clap v3.0.0-beta.2
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking tera v1.5.0
[INFO] [stderr]     Checking rsmooth v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `std::env::home_dir`: This function's behavior is unexpected and probably not what you want. Consider using a crate from crates.io instead.
[INFO] [stdout]   --> src/util.rs:71:20
[INFO] [stdout]    |
[INFO] [stdout] 71 |         let home = env::home_dir().unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` 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 1m 26s
[INFO] running `Command { std: "docker" "inspect" "f7cfe336ae5ef35dee3fbd807669f4420851e93eeb4e2d0fb5f1453d002cbc56", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7cfe336ae5ef35dee3fbd807669f4420851e93eeb4e2d0fb5f1453d002cbc56", kill_on_drop: false }`
[INFO] [stdout] f7cfe336ae5ef35dee3fbd807669f4420851e93eeb4e2d0fb5f1453d002cbc56