[INFO] cloning repository https://github.com/the8472/fastar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/the8472/fastar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe8472%2Ffastar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe8472%2Ffastar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8aa23a633187c8e5d03d6fff2b2546ca0c78862d
[INFO] checking the8472/fastar against master#119d2a1a98fe87d4ae6cabf12134a0ef2fb95851 for pr-75180
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fthe8472%2Ffastar" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/the8472/fastar on toolchain 119d2a1a98fe87d4ae6cabf12134a0ef2fb95851
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/the8472/fastar
[INFO] finished tweaking git repo https://github.com/the8472/fastar
[INFO] tweaked toml for git repo https://github.com/the8472/fastar written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/the8472/fastar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 55c99afcaeaedf4961874739a34f578c1c0653996dda12852761e7d89aaba4ec
[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" "55c99afcaeaedf4961874739a34f578c1c0653996dda12852761e7d89aaba4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "55c99afcaeaedf4961874739a34f578c1c0653996dda12852761e7d89aaba4ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55c99afcaeaedf4961874739a34f578c1c0653996dda12852761e7d89aaba4ec", kill_on_drop: false }`
[INFO] [stdout] 55c99afcaeaedf4961874739a34f578c1c0653996dda12852761e7d89aaba4ec
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+119d2a1a98fe87d4ae6cabf12134a0ef2fb95851" "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] 6c5f3fac8bc7c5f8889796543597d63f30eb12473bdf173902993d6e7c0bc149
[INFO] running `Command { std: "docker" "start" "-a" "6c5f3fac8bc7c5f8889796543597d63f30eb12473bdf173902993d6e7c0bc149", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.24
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking cfg-if v0.1.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking unicode-width v0.1.4
[INFO] [stderr]     Checking uuid v0.3.1
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]    Compiling case v0.1.0
[INFO] [stderr]     Checking vec_map v0.8.0
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking crc v1.4.0
[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 term_size v0.3.0
[INFO] [stderr]     Checking xattr v0.1.11
[INFO] [stderr]     Checking mnt v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking filetime v0.1.10
[INFO] [stderr]     Checking reapfrog v0.2.0
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking minilzo v0.1.2
[INFO] [stderr]     Checking tar v0.4.13
[INFO] [stderr]     Checking clap v2.25.0
[INFO] [stderr]    Compiling miniz-sys v0.1.9
[INFO] [stderr]     Checking flate2 v0.2.19
[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: 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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.13s
[INFO] running `Command { std: "docker" "inspect" "6c5f3fac8bc7c5f8889796543597d63f30eb12473bdf173902993d6e7c0bc149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c5f3fac8bc7c5f8889796543597d63f30eb12473bdf173902993d6e7c0bc149", kill_on_drop: false }`
[INFO] [stdout] 6c5f3fac8bc7c5f8889796543597d63f30eb12473bdf173902993d6e7c0bc149