[INFO] cloning repository https://github.com/ThomasHertleif/cluster-heist
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ThomasHertleif/cluster-heist" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHertleif%2Fcluster-heist", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHertleif%2Fcluster-heist'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3bcf3cb67c37632d70f0628fed38a6ff82e939b8
[INFO] checking ThomasHertleif/cluster-heist against master#05eac57ef6668c9d181b65aceb96b1e7881f60be for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHertleif%2Fcluster-heist" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasHertleif/cluster-heist on toolchain 05eac57ef6668c9d181b65aceb96b1e7881f60be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThomasHertleif/cluster-heist
[INFO] finished tweaking git repo https://github.com/ThomasHertleif/cluster-heist
[INFO] tweaked toml for git repo https://github.com/ThomasHertleif/cluster-heist written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasHertleif/cluster-heist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded fsevent-sys v0.1.6
[INFO] [stderr]   Downloaded slab v0.1.3
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded fsevent v0.2.17
[INFO] [stderr]   Downloaded httparse v1.2.4
[INFO] [stderr]   Downloaded bytes v0.3.0
[INFO] [stderr]   Downloaded crossbeam-utils v0.3.2
[INFO] [stderr]   Downloaded crossbeam-deque v0.3.1
[INFO] [stderr]   Downloaded inotify v0.3.0
[INFO] [stderr]   Downloaded serde v1.0.53
[INFO] [stderr]   Downloaded crossbeam-epoch v0.4.1
[INFO] [stderr]   Downloaded nix v0.5.1
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded syn v0.13.7
[INFO] [stderr]   Downloaded time v0.1.39
[INFO] [stderr]   Downloaded mio v0.5.1
[INFO] [stderr]   Downloaded notify v4.0.3
[INFO] [stderr]   Downloaded serde_derive v1.0.53
[INFO] [stderr]   Downloaded miow v0.1.5
[INFO] [stderr]   Downloaded same-file v1.0.2
[INFO] [stderr]   Downloaded filetime v0.1.15
[INFO] [stderr]   Downloaded byteorder v1.2.2
[INFO] [stderr]   Downloaded net2 v0.2.32
[INFO] [stderr]   Downloaded walkdir v2.1.4
[INFO] [stderr]   Downloaded simple-server v0.3.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8e5f8b5567254d727cb699cc838019573e9d9b70bcf0e09c5bba978e243480e
[INFO] running `Command { std: "docker" "start" "-a" "d8e5f8b5567254d727cb699cc838019573e9d9b70bcf0e09c5bba978e243480e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8e5f8b5567254d727cb699cc838019573e9d9b70bcf0e09c5bba978e243480e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8e5f8b5567254d727cb699cc838019573e9d9b70bcf0e09c5bba978e243480e", kill_on_drop: false }`
[INFO] [stdout] d8e5f8b5567254d727cb699cc838019573e9d9b70bcf0e09c5bba978e243480e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+05eac57ef6668c9d181b65aceb96b1e7881f60be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7cb009ace235a52bda8bd8d9e9100b30774eb4ee1846df6228430869f9fd302a
[INFO] running `Command { std: "docker" "start" "-a" "7cb009ace235a52bda8bd8d9e9100b30774eb4ee1846df6228430869f9fd302a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking walkdir v2.1.4
[INFO] [stderr]     Checking serde v1.0.53
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling ws2_32-sys v0.2.1
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.4.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking net2 v0.2.32
[INFO] [stderr]     Checking thread-id v2.0.0
[INFO] [stderr]     Checking memchr v0.1.11
[INFO] [stderr]     Checking iovec v0.1.2
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking time v0.1.39
[INFO] [stderr]     Checking filetime v0.1.15
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking inotify v0.3.0
[INFO] [stderr]    Compiling syn v0.13.7
[INFO] [stderr]     Checking thread_local v0.2.7
[INFO] [stderr]     Checking aho-corasick v0.5.3
[INFO] [stderr]     Checking bytes v0.4.7
[INFO] [stderr]     Checking crossbeam-deque v0.3.1
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking http v0.1.5
[INFO] [stderr]     Checking regex v0.1.80
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking env_logger v0.3.5
[INFO] [stderr]     Checking notify v4.0.3
[INFO] [stderr]     Checking simple-server v0.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.53
[INFO] [stderr]     Checking serde_json v1.0.17
[INFO] [stderr]     Checking cluster-heist v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use std::fs::{self, DirEntry};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DirEntry`
[INFO] [stdout]   --> src/main.rs:60:25
[INFO] [stdout]    |
[INFO] [stdout] 60 |     use std::fs::{self, DirEntry};
[INFO] [stdout]    |                         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     t.join();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let _ = t.join();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 |     t.join();
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 56 |     let _ = t.join();
[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` profile [unoptimized + debuginfo] target(s) in 3.31s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.13.7
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "7cb009ace235a52bda8bd8d9e9100b30774eb4ee1846df6228430869f9fd302a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cb009ace235a52bda8bd8d9e9100b30774eb4ee1846df6228430869f9fd302a", kill_on_drop: false }`
[INFO] [stdout] 7cb009ace235a52bda8bd8d9e9100b30774eb4ee1846df6228430869f9fd302a
[INFO] checking ThomasHertleif/cluster-heist against try#0c9c19b42881b7ee3d3f268d2369726c7f8dddfd for pr-127656
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FThomasHertleif%2Fcluster-heist" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ThomasHertleif/cluster-heist on toolchain 0c9c19b42881b7ee3d3f268d2369726c7f8dddfd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ThomasHertleif/cluster-heist
[INFO] finished tweaking git repo https://github.com/ThomasHertleif/cluster-heist
[INFO] tweaked toml for git repo https://github.com/ThomasHertleif/cluster-heist written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/ThomasHertleif/cluster-heist already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] be7501670a0fd041a307be86c36abbd44a1b7616e7c003a3a492c07e87a0dde0
[INFO] running `Command { std: "docker" "start" "-a" "be7501670a0fd041a307be86c36abbd44a1b7616e7c003a3a492c07e87a0dde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "be7501670a0fd041a307be86c36abbd44a1b7616e7c003a3a492c07e87a0dde0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "be7501670a0fd041a307be86c36abbd44a1b7616e7c003a3a492c07e87a0dde0", kill_on_drop: false }`
[INFO] [stdout] be7501670a0fd041a307be86c36abbd44a1b7616e7c003a3a492c07e87a0dde0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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" "RUSTDOCFLAGS=--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:dff56e7819e73ed36160586b3445e93eb0be776c16704aeeded9c3fb668b2384" "/opt/rustwide/cargo-home/bin/cargo" "+0c9c19b42881b7ee3d3f268d2369726c7f8dddfd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35ce1cd454d4a02965f5aa859b2c20fb181d9ecc8f77a365419ed4c613aa0be2
[INFO] running `Command { std: "docker" "start" "-a" "35ce1cd454d4a02965f5aa859b2c20fb181d9ecc8f77a365419ed4c613aa0be2", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021
[INFO] [stderr]     Checking libc v0.2.40
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking winapi v0.2.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking byteorder v1.2.2
[INFO] [stderr]     Checking slab v0.1.3
[INFO] [stderr]     Checking utf8-ranges v0.1.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking regex-syntax v0.3.9
[INFO] [stderr]     Checking lazy_static v1.0.0
[INFO] [stderr]     Checking bytes v0.3.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]     Checking same-file v1.0.2
[INFO] [stdout] error[E0365]: extern crate `std` is private and cannot be re-exported
[INFO] [stdout]   --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/bitflags-0.4.0/src/lib.rs:25:9
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub use std as __core;
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] help: consider making the `extern crate` item publicly accessible
[INFO] [stdout]    |
[INFO] [stdout] 1  | pub // Copyright 2014 The Rust Project Developers. See the COPYRIGHT
[INFO] [stdout]    | +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.4.1
[INFO] [stderr]     Checking crossbeam-utils v0.3.2
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0365`.
[INFO] [stdout] 
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking httparse v1.2.4
[INFO] [stderr] error: could not compile `bitflags` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "35ce1cd454d4a02965f5aa859b2c20fb181d9ecc8f77a365419ed4c613aa0be2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35ce1cd454d4a02965f5aa859b2c20fb181d9ecc8f77a365419ed4c613aa0be2", kill_on_drop: false }`
[INFO] [stdout] 35ce1cd454d4a02965f5aa859b2c20fb181d9ecc8f77a365419ed4c613aa0be2