[INFO] fetching crate probabilistic-collections 0.7.0...
[INFO] checking probabilistic-collections-0.7.0 against try#7014e13d5becc920d4bea3cd87942c8a13d359bf+rustflags=-Dtail_expr_drop_order for pr-129864
[INFO] extracting crate probabilistic-collections 0.7.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate probabilistic-collections 0.7.0 on toolchain 7014e13d5becc920d4bea3cd87942c8a13d359bf
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate probabilistic-collections 0.7.0
[INFO] finished tweaking crates.io crate probabilistic-collections 0.7.0
[INFO] tweaked toml for crates.io crate probabilistic-collections 0.7.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.1.16 (available: v0.2.15)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.8.5)
[INFO] [stderr]       Adding rand_chacha v0.2.2 (available: v0.3.1)
[INFO] [stderr]       Adding rand_core v0.5.1 (available: v0.6.4)
[INFO] [stderr]       Adding rand_hc v0.2.0 (available: v0.3.2)
[INFO] [stderr]       Adding rand_xorshift v0.2.0 (available: v0.3.0)
[INFO] [stderr]       Adding siphasher v0.3.11 (available: v1.0.1)
[INFO] [stderr]       Adding wasi v0.9.0+wasi-snapshot-preview1 (available: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 97607e23d007b7e59fad10823efb5f8742eec323d3f4da76a1f7fd1031af8ec3
[INFO] running `Command { std: "docker" "start" "-a" "97607e23d007b7e59fad10823efb5f8742eec323d3f4da76a1f7fd1031af8ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "97607e23d007b7e59fad10823efb5f8742eec323d3f4da76a1f7fd1031af8ec3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97607e23d007b7e59fad10823efb5f8742eec323d3f4da76a1f7fd1031af8ec3", kill_on_drop: false }`
[INFO] [stdout] 97607e23d007b7e59fad10823efb5f8742eec323d3f4da76a1f7fd1031af8ec3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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 -Dtail_expr_drop_order" "-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:ceb6ea022f8a89cebbe621bb4987e73a935bd40dfbb726f832cfff4742a5b95a" "/opt/rustwide/cargo-home/bin/cargo" "+7014e13d5becc920d4bea3cd87942c8a13d359bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 978e433bd5813f7fa7ba3b7e45095b5209230d3d5ce52a77f6f4fd440b968337
[INFO] running `Command { std: "docker" "start" "-a" "978e433bd5813f7fa7ba3b7e45095b5209230d3d5ce52a77f6f4fd440b968337", kill_on_drop: false }`
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking rand_xorshift v0.2.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking probabilistic-collections v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a module
[INFO] [stdout]    --> src/similarity/mod.rs:104:1
[INFO] [stdout]     |
[INFO] [stdout] 104 | pub mod tests {
[INFO] [stdout]     | ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:81:9
[INFO] [stdout]     |
[INFO] [stdout] 81  | #![warn(missing_docs)]
[INFO] [stdout]     |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]    --> src/similarity/mod.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 108 |     pub const S1: &str = "the cat sat on a mat";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]    --> src/similarity/mod.rs:109:5
[INFO] [stdout]     |
[INFO] [stdout] 109 |     pub const S2: &str = "the cat sat on the mat";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a constant
[INFO] [stdout]    --> src/similarity/mod.rs:110:5
[INFO] [stdout]     |
[INFO] [stdout] 110 |     pub const S3: &str = "we all scream for ice cream";
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "978e433bd5813f7fa7ba3b7e45095b5209230d3d5ce52a77f6f4fd440b968337", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "978e433bd5813f7fa7ba3b7e45095b5209230d3d5ce52a77f6f4fd440b968337", kill_on_drop: false }`
[INFO] [stdout] 978e433bd5813f7fa7ba3b7e45095b5209230d3d5ce52a77f6f4fd440b968337