[INFO] fetching crate cuo 0.3.0...
[INFO] checking cuo-0.3.0 against master#8007b506ac5da629f223b755f5a5391edd5f6d01 for pr-88041
[INFO] extracting crate cuo 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate cuo 0.3.0 on toolchain 8007b506ac5da629f223b755f5a5391edd5f6d01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cuo 0.3.0
[INFO] finished tweaking crates.io crate cuo 0.3.0
[INFO] tweaked toml for crates.io crate cuo 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a2731fd74951c9a106e7da51fa006f349051fdf1149fff5d97091aa3fdfa4797
[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" "a2731fd74951c9a106e7da51fa006f349051fdf1149fff5d97091aa3fdfa4797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a2731fd74951c9a106e7da51fa006f349051fdf1149fff5d97091aa3fdfa4797", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2731fd74951c9a106e7da51fa006f349051fdf1149fff5d97091aa3fdfa4797", kill_on_drop: false }`
[INFO] [stdout] a2731fd74951c9a106e7da51fa006f349051fdf1149fff5d97091aa3fdfa4797
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+8007b506ac5da629f223b755f5a5391edd5f6d01" "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] 9dbe572ea91986fbc77bd77d2d4c0020789ba74f7ff4d81accd8f8ca131a556e
[INFO] running `Command { std: "docker" "start" "-a" "9dbe572ea91986fbc77bd77d2d4c0020789ba74f7ff4d81accd8f8ca131a556e", kill_on_drop: false }`
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bitflags v1.3.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling curl v0.4.38
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking gimli v0.25.0
[INFO] [stderr]    Compiling serde_derive v1.0.127
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling serde_json v1.0.66
[INFO] [stderr]     Checking rustc-demangle v0.1.20
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking shell-escape v0.1.5
[INFO] [stderr]     Checking home v0.3.4
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]     Checking termcolor v0.3.6
[INFO] [stderr]     Checking lazycell v0.6.0
[INFO] [stderr]     Checking crossbeam v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]     Checking unicode-bidi v0.3.5
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking tinyvec v1.3.1
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking jobserver v0.1.23
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking object v0.26.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking tar v0.4.36
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling curl-sys v0.4.45+curl-7.78.0
[INFO] [stderr]    Compiling libssh2-sys v0.2.21
[INFO] [stderr]    Compiling libgit2-sys v0.7.11
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking addr2line v0.16.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking serde_ignored v0.0.4
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking crates-io v0.16.0
[INFO] [stderr]     Checking git2 v0.7.5
[INFO] [stderr]     Checking git2-curl v0.8.2
[INFO] [stderr]     Checking cargo v0.27.0
[INFO] [stderr]     Checking cuo v0.3.0 (/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/main.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut pk_path = std::env::home_dir().unwrap();
[INFO] [stdout]    |                                     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[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/main.rs:73:37
[INFO] [stdout]    |
[INFO] [stdout] 73 |         let mut pk_path = std::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] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 07s
[INFO] running `Command { std: "docker" "inspect" "9dbe572ea91986fbc77bd77d2d4c0020789ba74f7ff4d81accd8f8ca131a556e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9dbe572ea91986fbc77bd77d2d4c0020789ba74f7ff4d81accd8f8ca131a556e", kill_on_drop: false }`
[INFO] [stdout] 9dbe572ea91986fbc77bd77d2d4c0020789ba74f7ff4d81accd8f8ca131a556e