[INFO] fetching crate so_many_words 0.1.12...
[INFO] checking so_many_words-0.1.12 against master#b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18 for pr-79470
[INFO] extracting crate so_many_words 0.1.12 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate so_many_words 0.1.12 on toolchain b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate so_many_words 0.1.12
[INFO] finished tweaking crates.io crate so_many_words 0.1.12
[INFO] tweaked toml for crates.io crate so_many_words 0.1.12 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate so_many_words 0.1.12 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cea25ef18f57c8f46bb269d0d1a233993b7726fba94760d7bdb7db7c95e8ab9e
[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" "cea25ef18f57c8f46bb269d0d1a233993b7726fba94760d7bdb7db7c95e8ab9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cea25ef18f57c8f46bb269d0d1a233993b7726fba94760d7bdb7db7c95e8ab9e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cea25ef18f57c8f46bb269d0d1a233993b7726fba94760d7bdb7db7c95e8ab9e", kill_on_drop: false }`
[INFO] [stdout] cea25ef18f57c8f46bb269d0d1a233993b7726fba94760d7bdb7db7c95e8ab9e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+b7ebc6b0c1ba3c27ebb17c0b496ece778ef11e18" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fe32c74da3fc24ab14d6388f60a14a2b83965b8f17cd95f9a6f5f1365d3f35e
[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" "1fe32c74da3fc24ab14d6388f60a14a2b83965b8f17cd95f9a6f5f1365d3f35e", 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]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling libc v0.2.72
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling fst v0.4.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking smallvec v1.4.0
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking eudex v0.1.1
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking radix_trie v0.2.0
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking whatlang v0.9.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking rust-stemmers v1.2.0
[INFO] [stderr]     Checking so_many_words v0.1.12 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.44s
[INFO] running `Command { std: "docker" "inspect" "1fe32c74da3fc24ab14d6388f60a14a2b83965b8f17cd95f9a6f5f1365d3f35e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fe32c74da3fc24ab14d6388f60a14a2b83965b8f17cd95f9a6f5f1365d3f35e", kill_on_drop: false }`
[INFO] [stdout] 1fe32c74da3fc24ab14d6388f60a14a2b83965b8f17cd95f9a6f5f1365d3f35e