[INFO] fetching crate disco-rs 0.6.0...
[INFO] checking disco-rs-0.6.0 against master#8c6ce6b91b172f77c795a74bfeaf74b865146b3f for pr-101345
[INFO] extracting crate disco-rs 0.6.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate disco-rs 0.6.0 on toolchain 8c6ce6b91b172f77c795a74bfeaf74b865146b3f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate disco-rs 0.6.0
[INFO] finished tweaking crates.io crate disco-rs 0.6.0
[INFO] tweaked toml for crates.io crate disco-rs 0.6.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded data-encoding-macro v0.1.12
[INFO] [stderr]   Downloaded phf_codegen v0.10.0
[INFO] [stderr]   Downloaded serde-big-array v0.3.3
[INFO] [stderr]   Downloaded serde-big-array v0.4.1
[INFO] [stderr]   Downloaded data-encoding-macro-internal v0.1.10
[INFO] [stderr]   Downloaded cde v0.3.7
[INFO] [stderr]   Downloaded strobe-rs v0.7.0
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76fb2ab0c9a4ad85b97607af3f899755420f0720dd921ff51678b2a3ebfefa01
[INFO] running `Command { std: "docker" "start" "-a" "76fb2ab0c9a4ad85b97607af3f899755420f0720dd921ff51678b2a3ebfefa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76fb2ab0c9a4ad85b97607af3f899755420f0720dd921ff51678b2a3ebfefa01", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76fb2ab0c9a4ad85b97607af3f899755420f0720dd921ff51678b2a3ebfefa01", kill_on_drop: false }`
[INFO] [stdout] 76fb2ab0c9a4ad85b97607af3f899755420f0720dd921ff51678b2a3ebfefa01
[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" "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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+8c6ce6b91b172f77c795a74bfeaf74b865146b3f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6f04890a6c8bccf5ea33f410099b8173f14e1178381cb54aa68d63e37220f7b6
[INFO] running `Command { std: "docker" "start" "-a" "6f04890a6c8bccf5ea33f410099b8173f14e1178381cb54aa68d63e37220f7b6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.43
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling quote v1.0.21
[INFO] [stderr]    Compiling syn v1.0.99
[INFO] [stderr]    Compiling libc v0.2.132
[INFO] [stderr]    Compiling serde_derive v1.0.144
[INFO] [stderr]    Compiling serde v1.0.144
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking subtle v2.4.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling semver v1.0.13
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling data-encoding v2.3.2
[INFO] [stderr]    Compiling anyhow v1.0.63
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking keccak v0.1.2
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking phf v0.10.1
[INFO] [stderr]    Compiling lock_api v0.4.8
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]    Compiling getrandom v0.2.7
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]     Checking spin v0.9.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling phf_codegen v0.10.0
[INFO] [stderr]    Compiling cde v0.3.7
[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling zeroize_derive v1.3.2
[INFO] [stderr]    Compiling data-encoding-macro-internal v0.1.10
[INFO] [stderr]    Compiling thiserror-impl v1.0.33
[INFO] [stderr]     Checking data-encoding-macro v0.1.12
[INFO] [stderr]     Checking zeroize v1.3.0
[INFO] [stderr]     Checking thiserror v1.0.33
[INFO] [stderr]     Checking serde-big-array v0.3.3
[INFO] [stderr]     Checking serde-big-array v0.4.1
[INFO] [stderr]     Checking curve25519-dalek v3.2.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking strobe-rs v0.7.0
[INFO] [stderr]     Checking ff v0.10.1
[INFO] [stderr]     Checking crypto-bigint v0.2.11
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking group v0.10.0
[INFO] [stderr]     Checking elliptic-curve v0.10.6
[INFO] [stderr]     Checking x25519-dalek v1.2.0
[INFO] [stderr]     Checking disco-rs v0.6.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.28s
[INFO] running `Command { std: "docker" "inspect" "6f04890a6c8bccf5ea33f410099b8173f14e1178381cb54aa68d63e37220f7b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f04890a6c8bccf5ea33f410099b8173f14e1178381cb54aa68d63e37220f7b6", kill_on_drop: false }`
[INFO] [stdout] 6f04890a6c8bccf5ea33f410099b8173f14e1178381cb54aa68d63e37220f7b6