[INFO] fetching crate knock-knock 0.2.0...
[INFO] checking knock-knock-0.2.0 against master#0d56e340472882fa673d4b98d0802b9a799879d0 for pr-101692
[INFO] extracting crate knock-knock 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate knock-knock 0.2.0 on toolchain 0d56e340472882fa673d4b98d0802b9a799879d0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knock-knock 0.2.0
[INFO] finished tweaking crates.io crate knock-knock 0.2.0
[INFO] tweaked toml for crates.io crate knock-knock 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate knock-knock 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0d56e340472882fa673d4b98d0802b9a799879d0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded enum-ordinalize v3.1.11
[INFO] [stderr]   Downloaded quote v1.0.17
[INFO] [stderr]   Downloaded educe v0.4.19
[INFO] [stderr]   Downloaded unicode-bidi v0.3.7
[INFO] [stderr]   Downloaded tinyvec v1.5.1
[INFO] [stderr]   Downloaded enum-as-inner v0.4.0
[INFO] [stderr]   Downloaded ipnet v2.4.0
[INFO] [stderr]   Downloaded num_threads v0.1.5
[INFO] [stderr]   Downloaded whoisthere v0.1.3
[INFO] [stderr]   Downloaded validators v0.24.1
[INFO] [stderr]   Downloaded semver v1.0.7
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded trust-dns-client v0.21.2
[INFO] [stderr]   Downloaded trust-dns-proto v0.21.2
[INFO] [stderr]   Downloaded validators-derive v0.24.0
[INFO] [stderr]   Downloaded syn v1.0.90
[INFO] [stderr]   Downloaded validators-options v0.24.0
[INFO] [stderr]   Downloaded whois-rust v1.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0d56e340472882fa673d4b98d0802b9a799879d0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4142c4c4303ae7917dcf096f9ee26366b81ca78fc033f0dba33dcb01fd11a977
[INFO] running `Command { std: "docker" "start" "-a" "4142c4c4303ae7917dcf096f9ee26366b81ca78fc033f0dba33dcb01fd11a977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4142c4c4303ae7917dcf096f9ee26366b81ca78fc033f0dba33dcb01fd11a977", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4142c4c4303ae7917dcf096f9ee26366b81ca78fc033f0dba33dcb01fd11a977", kill_on_drop: false }`
[INFO] [stdout] 4142c4c4303ae7917dcf096f9ee26366b81ca78fc033f0dba33dcb01fd11a977
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+0d56e340472882fa673d4b98d0802b9a799879d0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f01153bd2538937ac9481ca3692cc0d2f867173f9e07c797ca2cee199809f357
[INFO] running `Command { std: "docker" "start" "-a" "f01153bd2538937ac9481ca3692cc0d2f867173f9e07c797ca2cee199809f357", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.90
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling futures-core v0.3.21
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]     Checking matches v0.1.9
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling futures-task v0.3.21
[INFO] [stderr]    Compiling async-trait v0.1.53
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling futures-channel v0.3.21
[INFO] [stderr]     Checking percent-encoding v2.1.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]     Checking num_threads v0.1.5
[INFO] [stderr]     Checking futures-io v0.3.21
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking ipnet v2.4.0
[INFO] [stderr]     Checking data-encoding v2.3.2
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking time v0.3.9
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-bigint v0.4.3
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking form_urlencoded v1.0.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]     Checking whoisthere v0.1.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]    Compiling enum-ordinalize v3.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-as-inner v0.4.0
[INFO] [stderr]    Compiling educe v0.4.19
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking trust-dns-proto v0.21.2
[INFO] [stderr]     Checking trust-dns-client v0.21.2
[INFO] [stderr]    Compiling validators-options v0.24.0
[INFO] [stderr]    Compiling validators-derive v0.24.0
[INFO] [stderr]     Checking validators v0.24.1
[INFO] [stderr]     Checking whois-rust v1.5.0
[INFO] [stderr]     Checking knock-knock v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.29s
[INFO] running `Command { std: "docker" "inspect" "f01153bd2538937ac9481ca3692cc0d2f867173f9e07c797ca2cee199809f357", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f01153bd2538937ac9481ca3692cc0d2f867173f9e07c797ca2cee199809f357", kill_on_drop: false }`
[INFO] [stdout] f01153bd2538937ac9481ca3692cc0d2f867173f9e07c797ca2cee199809f357