[INFO] fetching crate crdt-woot 0.1.0...
[INFO] checking crdt-woot-0.1.0 against master#cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c for pr-143170
[INFO] extracting crate crdt-woot 0.1.0 into /workspace/builds/worker-0-tc1/source
[INFO] started tweaking crates.io crate crdt-woot 0.1.0
[INFO] finished tweaking crates.io crate crdt-woot 0.1.0
[INFO] tweaked toml for crates.io crate crdt-woot 0.1.0 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate crdt-woot 0.1.0 on toolchain cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 47 packages to latest compatible versions
[INFO] [stderr]       Adding backtrace v0.3.71 (available: v0.3.75)
[INFO] [stderr]       Adding color-backtrace v0.5.1 (available: v0.7.0)
[INFO] [stderr]       Adding ctor v0.1.26 (available: v0.4.2)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded color-backtrace v0.5.1
[INFO] [stderr]   Downloaded arref v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d079a89a1ec5844a3d52b5be9ac37609f9701d4d20bf7ec8a98b17fc210a523
[INFO] running `Command { std: "docker" "start" "-a" "0d079a89a1ec5844a3d52b5be9ac37609f9701d4d20bf7ec8a98b17fc210a523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d079a89a1ec5844a3d52b5be9ac37609f9701d4d20bf7ec8a98b17fc210a523", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d079a89a1ec5844a3d52b5be9ac37609f9701d4d20bf7ec8a98b17fc210a523", kill_on_drop: false }`
[INFO] [stdout] 0d079a89a1ec5844a3d52b5be9ac37609f9701d4d20bf7ec8a98b17fc210a523
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+cf38b8e663f15db10ce49d7bbce02c99fc3dbc0c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04e71632dd8b40268d7c7a7536910c90d0580439589656ffc003abbf14da3f06
[INFO] running `Command { std: "docker" "start" "-a" "04e71632dd8b40268d7c7a7536910c90d0580439589656ffc003abbf14da3f06", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]     Checking cfg-if v1.0.1
[INFO] [stderr]    Compiling zerocopy v0.8.26
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking gimli v0.28.1
[INFO] [stderr]     Checking rustc-demangle v0.1.25
[INFO] [stderr]     Checking termcolor v1.4.1
[INFO] [stderr]     Checking arref v0.1.0
[INFO] [stderr]    Compiling cc v1.2.27
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking miniz_oxide v0.7.4
[INFO] [stderr]     Checking object v0.32.2
[INFO] [stderr]    Compiling backtrace v0.3.71
[INFO] [stderr]     Checking getrandom v0.2.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking addr2line v0.21.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling derive_arbitrary v1.4.1
[INFO] [stderr]    Compiling ctor v0.1.26
[INFO] [stderr]     Checking arbitrary v1.4.1
[INFO] [stderr]     Checking color-backtrace v0.5.1
[INFO] [stderr]     Checking crdt-woot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `arbitrary::Arbitrary`
[INFO] [stdout]  --> src/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arbitrary::Arbitrary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout] help: if this is a test module, consider adding a `#[cfg(test)]` to the containing module
[INFO] [stdout]  --> src/lib.rs:3:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub mod test;
[INFO] [stdout]   | ^^^^^^^^^^^^^
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `arbitrary::Arbitrary`
[INFO] [stdout]  --> src/test.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use arbitrary::Arbitrary;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.68s
[INFO] running `Command { std: "docker" "inspect" "04e71632dd8b40268d7c7a7536910c90d0580439589656ffc003abbf14da3f06", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04e71632dd8b40268d7c7a7536910c90d0580439589656ffc003abbf14da3f06", kill_on_drop: false }`
[INFO] [stdout] 04e71632dd8b40268d7c7a7536910c90d0580439589656ffc003abbf14da3f06