[INFO] fetching crate witness 0.3.0...
[INFO] checking witness-0.3.0 against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] extracting crate witness 0.3.0 into /workspace/builds/worker-7-tc1/source
[INFO] started tweaking crates.io crate witness 0.3.0
[INFO] finished tweaking crates.io crate witness 0.3.0
[INFO] tweaked toml for crates.io crate witness 0.3.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate witness 0.3.0 on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate witness 0.3.0 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" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v1.1.4
[INFO] [stderr]   Downloaded sharded-slab v0.1.4
[INFO] [stderr]   Downloaded fsevent-sys v2.0.1
[INFO] [stderr]   Downloaded tracing v0.1.33
[INFO] [stderr]   Downloaded inotify v0.7.1
[INFO] [stderr]   Downloaded inotify-sys v0.1.5
[INFO] [stderr]   Downloaded tracing-core v0.1.24
[INFO] [stderr]   Downloaded fsevent v0.4.0
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded clap_derive v3.1.7
[INFO] [stderr]   Downloaded indexmap v1.8.1
[INFO] [stderr]   Downloaded notify v4.0.17
[INFO] [stderr]   Downloaded tracing-log v0.1.2
[INFO] [stderr]   Downloaded bytes v1.1.0
[INFO] [stderr]   Downloaded clap v3.1.8
[INFO] [stderr]   Downloaded regex v1.5.5
[INFO] [stderr]   Downloaded socket2 v0.4.4
[INFO] [stderr]   Downloaded tracing-subscriber v0.3.11
[INFO] [stderr]   Downloaded filetime v0.2.15
[INFO] [stderr]   Downloaded tokio-macros v1.7.0
[INFO] [stderr]   Downloaded tracing-attributes v0.1.20
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded os_str_bytes v6.0.0
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded libc v0.2.122
[INFO] [stderr]   Downloaded slab v0.4.6
[INFO] [stderr]   Downloaded regex-syntax v0.6.25
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 31da47db974fee6c4ec71045975a915a37206a8444bae2a9e5f00daf03bb67e8
[INFO] running `Command { std: "docker" "start" "-a" "31da47db974fee6c4ec71045975a915a37206a8444bae2a9e5f00daf03bb67e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "31da47db974fee6c4ec71045975a915a37206a8444bae2a9e5f00daf03bb67e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31da47db974fee6c4ec71045975a915a37206a8444bae2a9e5f00daf03bb67e8", kill_on_drop: false }`
[INFO] [stdout] 31da47db974fee6c4ec71045975a915a37206a8444bae2a9e5f00daf03bb67e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8efb4812ef6eb4055dd58be7888193adb63552b84c1c314a04f9f68ef8ad9e9e
[INFO] running `Command { std: "docker" "start" "-a" "8efb4812ef6eb4055dd58be7888193adb63552b84c1c314a04f9f68ef8ad9e9e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.122
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking tracing-core v0.1.24
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking slab v0.4.6
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking walkdir v2.3.2
[INFO] [stderr]     Checking thread_local v1.1.4
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]     Checking textwrap v0.15.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking notify v4.0.17
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.20
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking tracing v0.1.33
[INFO] [stderr]     Checking tracing-subscriber v0.3.11
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking witness v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 25.93s
[INFO] running `Command { std: "docker" "inspect" "8efb4812ef6eb4055dd58be7888193adb63552b84c1c314a04f9f68ef8ad9e9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8efb4812ef6eb4055dd58be7888193adb63552b84c1c314a04f9f68ef8ad9e9e", kill_on_drop: false }`
[INFO] [stdout] 8efb4812ef6eb4055dd58be7888193adb63552b84c1c314a04f9f68ef8ad9e9e