[INFO] fetching crate string-interner 0.12.0...
[INFO] checking string-interner-0.12.0 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate string-interner 0.12.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate string-interner 0.12.0 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate string-interner 0.12.0
[INFO] finished tweaking crates.io crate string-interner 0.12.0
[INFO] tweaked toml for crates.io crate string-interner 0.12.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d0b21dfab3b7dcdd487988f3d4d2d15cd3ffd05de1f6bdde5cf87b854f6d4fa0
[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" "d0b21dfab3b7dcdd487988f3d4d2d15cd3ffd05de1f6bdde5cf87b854f6d4fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d0b21dfab3b7dcdd487988f3d4d2d15cd3ffd05de1f6bdde5cf87b854f6d4fa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0b21dfab3b7dcdd487988f3d4d2d15cd3ffd05de1f6bdde5cf87b854f6d4fa0", kill_on_drop: false }`
[INFO] [stdout] d0b21dfab3b7dcdd487988f3d4d2d15cd3ffd05de1f6bdde5cf87b854f6d4fa0
[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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71ac9f57061d122a306afcce2f0f8f921d6f06bfc8cdfb781b54ce47f12b7318
[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" "71ac9f57061d122a306afcce2f0f8f921d6f06bfc8cdfb781b54ce47f12b7318", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling fs_extra v1.1.0
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling proc-macro-hack v0.5.18
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling paste-impl v0.1.18
[INFO] [stderr]     Checking rayon-core v1.7.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking paste v0.1.18
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking string-interner v0.12.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking criterion v0.3.3
[INFO] [stderr]     Checking jemalloc-ctl v0.3.3
[INFO] [stderr]     Checking jemallocator v0.3.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 18s
[INFO] running `Command { std: "docker" "inspect" "71ac9f57061d122a306afcce2f0f8f921d6f06bfc8cdfb781b54ce47f12b7318", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71ac9f57061d122a306afcce2f0f8f921d6f06bfc8cdfb781b54ce47f12b7318", kill_on_drop: false }`
[INFO] [stdout] 71ac9f57061d122a306afcce2f0f8f921d6f06bfc8cdfb781b54ce47f12b7318