[INFO] fetching crate fastar 0.1.4...
[INFO] checking fastar-0.1.4 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate fastar 0.1.4 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate fastar 0.1.4 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fastar 0.1.4
[INFO] finished tweaking crates.io crate fastar 0.1.4
[INFO] tweaked toml for crates.io crate fastar 0.1.4 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v0.7.0
[INFO] [stderr]   Downloaded lazy_static v0.2.11
[INFO] [stderr]   Downloaded synom v0.11.3
[INFO] [stderr]   Downloaded unicode-xid v0.0.4
[INFO] [stderr]   Downloaded derive-error v0.0.3
[INFO] [stderr]   Downloaded build_const v0.2.1
[INFO] [stderr]   Downloaded minilzo-sys v0.1.0
[INFO] [stderr]   Downloaded quote v0.3.15
[INFO] [stderr]   Downloaded syn v0.11.11
[INFO] [stderr]   Downloaded nix v0.8.1
[INFO] [stderr]   Downloaded btrfs2 v1.2.2
[INFO] [stderr]   Downloaded void v1.0.2
[INFO] [stderr]   Downloaded mnt v0.3.1
[INFO] [stderr]   Downloaded minilzo v0.1.2
[INFO] [stderr]   Downloaded crc v1.8.1
[INFO] [stderr]   Downloaded filetime v0.2.12
[INFO] [stderr]   Downloaded tar v0.4.30
[INFO] [stderr]   Downloaded uuid v0.3.1
[INFO] [stderr]   Downloaded case v0.1.0
[INFO] [stderr]   Downloaded platter-walk v0.1.2
[INFO] [stderr]   Downloaded reapfrog v0.2.0
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "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] 31a1be9a03eb4b39f6bb8b3dad7b8f5ee967fe2756f9f241af4a3163355ac6ca
[INFO] running `Command { std: "docker" "start" "-a" "31a1be9a03eb4b39f6bb8b3dad7b8f5ee967fe2756f9f241af4a3163355ac6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31a1be9a03eb4b39f6bb8b3dad7b8f5ee967fe2756f9f241af4a3163355ac6ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31a1be9a03eb4b39f6bb8b3dad7b8f5ee967fe2756f9f241af4a3163355ac6ca", kill_on_drop: false }`
[INFO] [stdout] 31a1be9a03eb4b39f6bb8b3dad7b8f5ee967fe2756f9f241af4a3163355ac6ca
[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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ebbfbcb8d4899ea49303982c64cc341a127d10e368125c5b0e18481330bfc260
[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" "ebbfbcb8d4899ea49303982c64cc341a127d10e368125c5b0e18481330bfc260", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling cc v1.0.60
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling build_const v0.2.1
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]    Compiling crc v1.8.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking minilzo-sys v0.1.0
[INFO] [stderr]     Checking nix v0.8.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.12
[INFO] [stderr]     Checking mnt v0.3.1
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking reapfrog v0.2.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]     Checking tar v0.4.30
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]     Checking flate2 v0.2.20
[INFO] [stderr]    Compiling derive-error v0.0.3
[INFO] [stderr]     Checking btrfs2 v1.2.2
[INFO] [stderr]     Checking platter-walk v0.1.2
[INFO] [stderr]     Checking fastar v0.1.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:100:52
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:132:48
[INFO] [stdout]     |
[INFO] [stdout] 132 |             writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:100:52
[INFO] [stdout]     |
[INFO] [stdout] 100 |                 writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                    ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/main.rs:132:48
[INFO] [stdout]     |
[INFO] [stdout] 132 |             writeln!(std::io::stderr(),"{}", e.description()).unwrap();
[INFO] [stdout]     |                                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 20.40s
[INFO] running `Command { std: "docker" "inspect" "ebbfbcb8d4899ea49303982c64cc341a127d10e368125c5b0e18481330bfc260", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ebbfbcb8d4899ea49303982c64cc341a127d10e368125c5b0e18481330bfc260", kill_on_drop: false }`
[INFO] [stdout] ebbfbcb8d4899ea49303982c64cc341a127d10e368125c5b0e18481330bfc260