[INFO] fetching crate seshat 2.2.1...
[INFO] checking seshat-2.2.1 against beta for pr-78714
[INFO] extracting crate seshat 2.2.1 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate seshat 2.2.1 on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seshat 2.2.1
[INFO] finished tweaking crates.io crate seshat 2.2.1
[INFO] tweaked toml for crates.io crate seshat 2.2.1 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate crates.io crate seshat 2.2.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d4c12d70fec80437b64a7d306dbf0bb03f90b7ec34e36b3e36bfee5ad7b749cd
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "d4c12d70fec80437b64a7d306dbf0bb03f90b7ec34e36b3e36bfee5ad7b749cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d4c12d70fec80437b64a7d306dbf0bb03f90b7ec34e36b3e36bfee5ad7b749cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4c12d70fec80437b64a7d306dbf0bb03f90b7ec34e36b3e36bfee5ad7b749cd", kill_on_drop: false }`
[INFO] [stdout] d4c12d70fec80437b64a7d306dbf0bb03f90b7ec34e36b3e36bfee5ad7b749cd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e69532aac9706547596f263605cf583cb1804ce94dd909d3828fa74b3094f0d2
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e69532aac9706547596f263605cf583cb1804ce94dd909d3828fa74b3094f0d2", kill_on_drop: false }`
[INFO] [stderr]    Compiling snap v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]    Compiling libsqlite3-sys v0.18.0
[INFO] [stderr]     Checking owned-read v0.4.1
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking combine v4.3.2
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking bitpacking v0.8.2
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking fake v2.2.3
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking serde_json v1.0.58
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking rusqlite v0.23.1
[INFO] [stderr]     Checking tantivy-fst v0.2.1
[INFO] [stderr]     Checking r2d2_sqlite v0.16.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking tantivy-query-grammar v0.12.0
[INFO] [stderr]     Checking tantivy v0.12.0
[INFO] [stderr]     Checking seshat v2.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `seshat::Config`
[INFO] [stdout]  --> examples/database.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use seshat::Config;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.19s
[INFO] running `Command { std: "docker" "inspect" "e69532aac9706547596f263605cf583cb1804ce94dd909d3828fa74b3094f0d2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e69532aac9706547596f263605cf583cb1804ce94dd909d3828fa74b3094f0d2", kill_on_drop: false }`
[INFO] [stdout] e69532aac9706547596f263605cf583cb1804ce94dd909d3828fa74b3094f0d2