[INFO] fetching crate scoob 0.6.5...
[INFO] checking scoob-0.6.5 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate scoob 0.6.5 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate scoob 0.6.5
[INFO] finished tweaking crates.io crate scoob 0.6.5
[INFO] tweaked toml for crates.io crate scoob 0.6.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate scoob 0.6.5 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate scoob 0.6.5 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hermit-abi v0.1.18
[INFO] [stderr]   Downloaded once_cell v1.7.2
[INFO] [stderr]   Downloaded tokio-macros v1.2.0
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[INFO] [stderr]   Downloaded tracing-core v0.1.18
[INFO] [stderr]   Downloaded mio v0.7.11
[INFO] [stderr]   Downloaded which v4.1.0
[INFO] [stderr]   Downloaded native-tls v0.2.7
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[INFO] [stderr]   Downloaded serde v1.0.126
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[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded tokio v1.6.1
[INFO] [stderr]   Downloaded futures-executor v0.3.15
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[INFO] [stderr]   Downloaded xml-rs v0.8.3
[INFO] [stderr]   Downloaded security-framework v2.2.0
[INFO] [stderr]   Downloaded rand_core v0.6.2
[INFO] [stderr]   Downloaded serde_json v1.0.64
[INFO] [stderr]   Downloaded rusoto_credential v0.46.0
[INFO] [stderr]   Downloaded unicode-segmentation v1.7.1
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.74
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.74
[INFO] [stderr]   Downloaded cc v1.0.68
[INFO] [stderr]   Downloaded edit v0.1.3
[INFO] [stderr]   Downloaded crc32fast v1.2.1
[INFO] [stderr]   Downloaded vcpkg v0.2.13
[INFO] [stderr]   Downloaded security-framework-sys v2.2.0
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[INFO] [stderr]   Downloaded async-trait v0.1.50
[INFO] [stderr]   Downloaded redox_syscall v0.2.8
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[INFO] [stderr]   Downloaded typenum v1.13.0
[INFO] [stderr]   Downloaded sha2 v0.9.5
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[INFO] [stderr]   Downloaded rusoto_secretsmanager v0.46.0
[INFO] [stderr]   Downloaded linked-hash-map v0.5.4
[INFO] [stderr]   Downloaded signature v1.4.0
[INFO] [stderr]   Downloaded ed25519 v1.3.0
[INFO] [stderr]   Downloaded structopt-derive v0.4.14
[INFO] [stderr]   Downloaded structopt v0.3.21
[INFO] [stderr]   Downloaded futures-core v0.3.15
[INFO] [stderr]   Downloaded futures-io v0.3.15
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[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.74
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[INFO] [stderr]   Downloaded serde_yaml v0.8.17
[INFO] [stderr]   Downloaded serde_derive v1.0.126
[INFO] [stderr]   Downloaded heck v0.3.2
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded http-body v0.4.2
[INFO] [stderr]   Downloaded time-macros-impl v0.1.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.27
[INFO] [stderr]   Downloaded futures-util v0.3.15
[INFO] [stderr]   Downloaded sodiumoxide v0.2.7
[INFO] [stderr]   Downloaded libsodium-sys v0.2.7
[INFO] [stderr]   Downloaded openssl-src v111.15.0+1.1.1k
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 63254361c13e8df99e5f540f5db49312ea8de8c2f0c6fa0cafd8ede796d1e9b4
[INFO] running `Command { std: "docker" "start" "-a" "63254361c13e8df99e5f540f5db49312ea8de8c2f0c6fa0cafd8ede796d1e9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "63254361c13e8df99e5f540f5db49312ea8de8c2f0c6fa0cafd8ede796d1e9b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63254361c13e8df99e5f540f5db49312ea8de8c2f0c6fa0cafd8ede796d1e9b4", kill_on_drop: false }`
[INFO] [stdout] 63254361c13e8df99e5f540f5db49312ea8de8c2f0c6fa0cafd8ede796d1e9b4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5cb17b6d09b0595b52563e2c887fcd00d031c0d93b466a793150cfc7dec10a91
[INFO] running `Command { std: "docker" "start" "-a" "5cb17b6d09b0595b52563e2c887fcd00d031c0d93b466a793150cfc7dec10a91", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.15
[INFO] [stderr]    Compiling openssl-src v111.15.0+1.1.1k
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]     Checking futures-sink v0.3.15
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling tokio v1.6.1
[INFO] [stderr]    Compiling openssl-sys v0.9.63
[INFO] [stderr]     Checking futures-channel v0.3.15
[INFO] [stderr]    Compiling openssl v0.10.34
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking http-body v0.4.2
[INFO] [stderr]    Compiling async-trait v0.1.50
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking cpufeatures v0.1.4
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]    Compiling libsodium-sys v0.2.7
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]    Compiling rusoto_core v0.46.0
[INFO] [stderr]     Checking sha2 v0.9.5
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking mio v0.7.11
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking signature v1.4.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking which v4.1.0
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking ed25519 v1.3.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking edit v0.1.3
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling futures-macro v0.3.15
[INFO] [stderr]    Compiling tokio-macros v1.2.0
[INFO] [stderr]    Compiling pin-project-internal v1.0.7
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking futures-util v0.3.15
[INFO] [stderr]     Checking pin-project v1.0.7
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking futures-executor v0.3.15
[INFO] [stderr]     Checking futures v0.3.15
[INFO] [stderr]     Checking hyper v0.14.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking serde_yaml v0.8.17
[INFO] [stderr]     Checking rusoto_credential v0.46.0
[INFO] [stderr]     Checking rusoto_signature v0.46.0
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking rusoto_secretsmanager v0.46.0
[INFO] [stderr]     Checking sodiumoxide v0.2.7
[INFO] [stderr]     Checking scoob v0.6.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/start.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         command.exec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = command.exec();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `exec` that must be used
[INFO] [stdout]   --> src/start.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         command.exec();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = command.exec();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 38s
[INFO] running `Command { std: "docker" "inspect" "5cb17b6d09b0595b52563e2c887fcd00d031c0d93b466a793150cfc7dec10a91", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5cb17b6d09b0595b52563e2c887fcd00d031c0d93b466a793150cfc7dec10a91", kill_on_drop: false }`
[INFO] [stdout] 5cb17b6d09b0595b52563e2c887fcd00d031c0d93b466a793150cfc7dec10a91