[INFO] fetching crate seshat 2.2.3...
[INFO] checking seshat-2.2.3 against master#4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5 for pr-81174
[INFO] extracting crate seshat 2.2.3 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate seshat 2.2.3 on toolchain 4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate seshat 2.2.3
[INFO] finished tweaking crates.io crate seshat 2.2.3
[INFO] tweaked toml for crates.io crate seshat 2.2.3 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00645e8eff886aa6797c67ad549631cc7c48583397b9937aa72ca2035adf84e7
[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" "00645e8eff886aa6797c67ad549631cc7c48583397b9937aa72ca2035adf84e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00645e8eff886aa6797c67ad549631cc7c48583397b9937aa72ca2035adf84e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00645e8eff886aa6797c67ad549631cc7c48583397b9937aa72ca2035adf84e7", kill_on_drop: false }`
[INFO] [stdout] 00645e8eff886aa6797c67ad549631cc7c48583397b9937aa72ca2035adf84e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+4d0dd02ee07bddad9136f95c9f7846ebf3eb3fc5" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 01bdd6adc8c69f1d353b3055cd7a0a8349e92020967d894c177176416127eea3
[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" "01bdd6adc8c69f1d353b3055cd7a0a8349e92020967d894c177176416127eea3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]     Checking futures-sink v0.3.12
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking futures-io v0.3.12
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]     Checking lazycell v1.3.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling snap v1.0.3
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking utf8-ranges v1.0.4
[INFO] [stderr]     Checking regex-syntax v0.4.2
[INFO] [stderr]     Checking htmlescape v0.3.1
[INFO] [stderr]     Checking census v0.4.0
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.1
[INFO] [stderr]    Compiling memoffset v0.6.1
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]     Checking futures-task v0.3.12
[INFO] [stderr]     Checking futures-channel v0.3.12
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]     Checking owned-read v0.4.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking fst v0.3.5
[INFO] [stderr]     Checking murmurhash32 v0.2.0
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking tinysegmenter v0.1.1
[INFO] [stderr]     Checking lru-cache v0.1.2
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking parking_lot_core v0.8.2
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking filetime v0.2.14
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]     Checking combine v4.5.2
[INFO] [stderr]     Checking nix v0.14.1
[INFO] [stderr]     Checking bitpacking v0.8.2
[INFO] [stderr]    Compiling libsqlite3-sys v0.20.1
[INFO] [stderr]     Checking inotify v0.7.1
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking levenshtein_automata v0.1.1
[INFO] [stderr]     Checking hashlink v0.6.0
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking scheduled-thread-pool v0.2.5
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tantivy-fst v0.2.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking r2d2 v0.8.9
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rusqlite v0.24.2
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking crossbeam v0.7.3
[INFO] [stderr]     Checking fail v0.3.0
[INFO] [stderr]     Checking mio-extras v2.0.6
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking notify v4.0.15
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking fake v2.4.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking cipher v0.2.5
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking r2d2_sqlite v0.17.0
[INFO] [stderr]     Checking hmac v0.10.1
[INFO] [stderr]     Checking sha2 v0.9.2
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking hkdf v0.10.0
[INFO] [stderr]     Checking pbkdf2 v0.6.0
[INFO] [stderr]     Checking aes-ctr v0.6.0
[INFO] [stderr]     Checking atomicwrites v0.2.5
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]     Checking tantivy-query-grammar v0.12.0
[INFO] [stderr]    Compiling futures-macro v0.3.12
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking futures-util v0.3.12
[INFO] [stderr]     Checking thiserror v1.0.23
[INFO] [stderr]     Checking futures-executor v0.3.12
[INFO] [stderr]     Checking futures v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.61
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking tantivy v0.12.0
[INFO] [stderr]     Checking seshat v2.2.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `Command { std: "docker" "inspect" "01bdd6adc8c69f1d353b3055cd7a0a8349e92020967d894c177176416127eea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01bdd6adc8c69f1d353b3055cd7a0a8349e92020967d894c177176416127eea3", kill_on_drop: false }`
[INFO] [stdout] 01bdd6adc8c69f1d353b3055cd7a0a8349e92020967d894c177176416127eea3