[INFO] fetching crate dinghy-lib 0.4.62...
[INFO] checking dinghy-lib-0.4.62 against 1.55.0 for beta-1.56-3
[INFO] extracting crate dinghy-lib 0.4.62 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dinghy-lib 0.4.62 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dinghy-lib 0.4.62
[INFO] finished tweaking crates.io crate dinghy-lib 0.4.62
[INFO] tweaked toml for crates.io crate dinghy-lib 0.4.62 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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" "+1.55.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 80730c3a489989c1ae3ac1d4241beab0fb94496785298ced07232e5d5e52eb3c
[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" "80730c3a489989c1ae3ac1d4241beab0fb94496785298ced07232e5d5e52eb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80730c3a489989c1ae3ac1d4241beab0fb94496785298ced07232e5d5e52eb3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80730c3a489989c1ae3ac1d4241beab0fb94496785298ced07232e5d5e52eb3c", kill_on_drop: false }`
[INFO] [stdout] 80730c3a489989c1ae3ac1d4241beab0fb94496785298ced07232e5d5e52eb3c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cbf7c3d630bce6a9169c762ed256c855fefd850d82f0e77ca183ddc60350827
[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" "9cbf7c3d630bce6a9169c762ed256c855fefd850d82f0e77ca183ddc60350827", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.68
[INFO] [stderr]    Compiling curl v0.4.39
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking utf8parse v0.2.0
[INFO] [stderr]     Checking rustc-workspace-hack v1.0.0
[INFO] [stderr]     Checking xml-rs v0.8.4
[INFO] [stderr]    Compiling dinghy-lib v0.4.62 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking opener v0.4.1
[INFO] [stderr]     Checking bytesize v1.1.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking semver v1.0.4
[INFO] [stderr]    Compiling filetime v0.2.15
[INFO] [stderr]     Checking jobserver v0.1.24
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking which v4.2.2
[INFO] [stderr]    Compiling vte_generate_state_changes v0.1.1
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking dirs v3.0.2
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]    Compiling libnghttp2-sys v0.1.7+1.45.0
[INFO] [stderr]    Compiling curl-sys v0.4.49+curl-7.79.1
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking env_logger v0.8.4
[INFO] [stderr]    Compiling tar v0.4.37
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking cc v1.0.71
[INFO] [stderr]     Checking shellexpand v2.1.0
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling openssl v0.10.36
[INFO] [stderr]     Checking semver v0.10.0
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_ignored v0.1.2
[INFO] [stderr]     Checking cargo-platform v0.1.2
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking globset v0.4.8
[INFO] [stderr]     Checking git2 v0.13.23
[INFO] [stderr]     Checking vte v0.10.1
[INFO] [stderr]     Checking dinghy-build v0.4.62
[INFO] [stderr]     Checking plist v1.2.1
[INFO] [stderr]     Checking ignore v0.4.18
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]    Compiling cargo v0.54.0
[INFO] [stderr]     Checking strip-ansi-escapes v0.1.1
[INFO] [stderr]     Checking rustfix v0.5.1
[INFO] [stderr]     Checking crypto-hash v0.3.4
[INFO] [stderr]     Checking cargo-util v0.1.1
[INFO] [stderr]     Checking crates-io v0.33.0
[INFO] [stderr]     Checking git2-curl v0.14.1
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/project.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             &fs::create_dir_all(&target)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused borrow that must be used
[INFO] [stdout]    --> src/project.rs:174:13
[INFO] [stdout]     |
[INFO] [stdout] 174 |             &fs::create_dir_all(&target)?;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` 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 47.55s
[INFO] running `Command { std: "docker" "inspect" "9cbf7c3d630bce6a9169c762ed256c855fefd850d82f0e77ca183ddc60350827", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cbf7c3d630bce6a9169c762ed256c855fefd850d82f0e77ca183ddc60350827", kill_on_drop: false }`
[INFO] [stdout] 9cbf7c3d630bce6a9169c762ed256c855fefd850d82f0e77ca183ddc60350827
