[INFO] fetching crate knockknock 1.0.2...
[INFO] checking knockknock-1.0.2 against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] extracting crate knockknock 1.0.2 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate knockknock 1.0.2 on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate knockknock 1.0.2
[INFO] finished tweaking crates.io crate knockknock 1.0.2
[INFO] tweaked toml for crates.io crate knockknock 1.0.2 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate knockknock 1.0.2 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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v3.0.0-beta.5
[INFO] [stderr]   Downloaded os_str_bytes v4.2.0
[INFO] [stderr]   Downloaded clap v3.0.0-beta.5
[INFO] [stderr]   Downloaded zpinger v0.1.0
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b30b729c387331e6bb041de184e2f50fd460a15f8f4e018bdf1539a15e8f6535
[INFO] running `Command { std: "docker" "start" "-a" "b30b729c387331e6bb041de184e2f50fd460a15f8f4e018bdf1539a15e8f6535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b30b729c387331e6bb041de184e2f50fd460a15f8f4e018bdf1539a15e8f6535", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b30b729c387331e6bb041de184e2f50fd460a15f8f4e018bdf1539a15e8f6535", kill_on_drop: false }`
[INFO] [stdout] b30b729c387331e6bb041de184e2f50fd460a15f8f4e018bdf1539a15e8f6535
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 076c4c5dde82bbfe307fc50f933be4f44d61777f6f4d0457e20a2bbf5817c78d
[INFO] running `Command { std: "docker" "start" "-a" "076c4c5dde82bbfe307fc50f933be4f44d61777f6f4d0457e20a2bbf5817c78d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking textwrap v0.14.2
[INFO] [stderr]     Checking unicase v2.6.0
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking os_str_bytes v4.2.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking termcolor v1.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking zpinger v0.1.0
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.5
[INFO] [stderr]     Checking clap v3.0.0-beta.5
[INFO] [stderr]     Checking knockknock v1.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from`
[INFO] [stdout]   --> src/main.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let args = clap::App::from_yaml(yaml).get_matches();
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `clap::App::<'help>::from_yaml`: Replaced with `App::from`
[INFO] [stdout]   --> src/main.rs:59:27
[INFO] [stdout]    |
[INFO] [stdout] 59 |     let args = clap::App::from_yaml(yaml).get_matches();
[INFO] [stdout]    |                           ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.39s
[INFO] running `Command { std: "docker" "inspect" "076c4c5dde82bbfe307fc50f933be4f44d61777f6f4d0457e20a2bbf5817c78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "076c4c5dde82bbfe307fc50f933be4f44d61777f6f4d0457e20a2bbf5817c78d", kill_on_drop: false }`
[INFO] [stdout] 076c4c5dde82bbfe307fc50f933be4f44d61777f6f4d0457e20a2bbf5817c78d