[INFO] fetching crate hopper 0.4.2...
[INFO] checking hopper-0.4.2 against try#075992eda207e1647b699c8c8ada67b32ce7b115 for pr-77271
[INFO] extracting crate hopper 0.4.2 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate hopper 0.4.2 on toolchain 075992eda207e1647b699c8c8ada67b32ce7b115
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hopper 0.4.2
[INFO] finished tweaking crates.io crate hopper 0.4.2
[INFO] tweaked toml for crates.io crate hopper 0.4.2 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7208ed9ef26f6537a1698be02b750e9c19a2b147656309be1d48a9c8133f6290
[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" "7208ed9ef26f6537a1698be02b750e9c19a2b147656309be1d48a9c8133f6290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7208ed9ef26f6537a1698be02b750e9c19a2b147656309be1d48a9c8133f6290", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7208ed9ef26f6537a1698be02b750e9c19a2b147656309be1d48a9c8133f6290", kill_on_drop: false }`
[INFO] [stdout] 7208ed9ef26f6537a1698be02b750e9c19a2b147656309be1d48a9c8133f6290
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+075992eda207e1647b699c8c8ada67b32ce7b115" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cfb79d997ac5a1a56ee8d0a6478214d82ff61f37fb68c7cf54555c8a2c64b8e3
[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" "cfb79d997ac5a1a56ee8d0a6478214d82ff61f37fb68c7cf54555c8a2c64b8e3", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling rayon-core v1.8.1
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]    Compiling rayon v1.4.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.2.12
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking crossbeam-utils v0.7.2
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-epoch v0.8.2
[INFO] [stderr]     Checking crossbeam-channel v0.4.4
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking env_logger v0.5.13
[INFO] [stderr]     Checking quickcheck v0.6.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking hopper v0.4.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.88s
[INFO] running `Command { std: "docker" "inspect" "cfb79d997ac5a1a56ee8d0a6478214d82ff61f37fb68c7cf54555c8a2c64b8e3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfb79d997ac5a1a56ee8d0a6478214d82ff61f37fb68c7cf54555c8a2c64b8e3", kill_on_drop: false }`
[INFO] [stdout] cfb79d997ac5a1a56ee8d0a6478214d82ff61f37fb68c7cf54555c8a2c64b8e3