[INFO] fetching crate cargo-semver 1.0.0-alpha.3...
[INFO] checking cargo-semver-1.0.0-alpha.3 against try#99a443d6903f71d521237d8acb5a3016b534d17b for pr-83354
[INFO] extracting crate cargo-semver 1.0.0-alpha.3 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate cargo-semver 1.0.0-alpha.3 on toolchain 99a443d6903f71d521237d8acb5a3016b534d17b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cargo-semver 1.0.0-alpha.3
[INFO] finished tweaking crates.io crate cargo-semver 1.0.0-alpha.3
[INFO] tweaked toml for crates.io crate cargo-semver 1.0.0-alpha.3 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate cargo-semver 1.0.0-alpha.3 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded predicates-tree v1.0.1
[INFO] [stderr]   Downloaded assert_cmd v1.0.2
[INFO] [stderr]   Downloaded predicates v1.0.6
[INFO] [stderr]   Downloaded predicates-core v1.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5944f3bfc85e6a054361c71a00efc76a03d1a98ddd9f2ad0cc4dffd319b91ee5
[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" "5944f3bfc85e6a054361c71a00efc76a03d1a98ddd9f2ad0cc4dffd319b91ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5944f3bfc85e6a054361c71a00efc76a03d1a98ddd9f2ad0cc4dffd319b91ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5944f3bfc85e6a054361c71a00efc76a03d1a98ddd9f2ad0cc4dffd319b91ee5", kill_on_drop: false }`
[INFO] [stdout] 5944f3bfc85e6a054361c71a00efc76a03d1a98ddd9f2ad0cc4dffd319b91ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+99a443d6903f71d521237d8acb5a3016b534d17b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a73771b3a25afc4fe2f14e308ddf43ea5f1d55ddd537ceb197ba29d216f0ec07
[INFO] running `Command { std: "docker" "start" "-a" "a73771b3a25afc4fe2f14e308ddf43ea5f1d55ddd537ceb197ba29d216f0ec07", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking ucd-trie v0.1.3
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]     Checking predicates-core v1.0.1
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking difference v2.0.0
[INFO] [stderr]     Checking thread_local v1.1.0
[INFO] [stderr]     Checking getrandom v0.2.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking predicates-tree v1.0.1
[INFO] [stderr]     Checking pest v2.1.3
[INFO] [stderr]     Checking rand_core v0.6.1
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking rand v0.8.2
[INFO] [stderr]     Checking semver-parser v0.10.2
[INFO] [stderr]     Checking predicates v1.0.6
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking semver v0.11.0
[INFO] [stderr]     Checking assert_cmd v1.0.2
[INFO] [stderr]     Checking cargo-semver v1.0.0-alpha.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.62s
[INFO] running `Command { std: "docker" "inspect" "a73771b3a25afc4fe2f14e308ddf43ea5f1d55ddd537ceb197ba29d216f0ec07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a73771b3a25afc4fe2f14e308ddf43ea5f1d55ddd537ceb197ba29d216f0ec07", kill_on_drop: false }`
[INFO] [stdout] a73771b3a25afc4fe2f14e308ddf43ea5f1d55ddd537ceb197ba29d216f0ec07