[INFO] fetching crate cratesiover 2.2.1...
[INFO] checking cratesiover-2.2.1 against try#3e22d1f9053c0fc87629b3c6d5d9567856368e5d for pr-78714
[INFO] extracting crate cratesiover 2.2.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate cratesiover 2.2.1 on toolchain 3e22d1f9053c0fc87629b3c6d5d9567856368e5d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cratesiover 2.2.1
[INFO] finished tweaking crates.io crate cratesiover 2.2.1
[INFO] tweaked toml for crates.io crate cratesiover 2.2.1 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nix v0.7.0
[INFO] [stderr]   Downloaded smallstr v0.1.0
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded mortal v0.1.5
[INFO] [stderr]   Downloaded linefeed v0.5.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 059b53944af5f3262830345324548e02848729fa8ae0836ebb40f7d8aa0c8db5
[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" "059b53944af5f3262830345324548e02848729fa8ae0836ebb40f7d8aa0c8db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "059b53944af5f3262830345324548e02848729fa8ae0836ebb40f7d8aa0c8db5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "059b53944af5f3262830345324548e02848729fa8ae0836ebb40f7d8aa0c8db5", kill_on_drop: false }`
[INFO] [stdout] 059b53944af5f3262830345324548e02848729fa8ae0836ebb40f7d8aa0c8db5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+3e22d1f9053c0fc87629b3c6d5d9567856368e5d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e32401eea05af04fc14ead36e55bf0246e19ac771a73d7ef8e978268f8fce144
[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" "e32401eea05af04fc14ead36e55bf0246e19ac771a73d7ef8e978268f8fce144", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]    Compiling nix v0.7.0
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]     Checking cratesiover v2.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 23.59s
[INFO] running `Command { std: "docker" "inspect" "e32401eea05af04fc14ead36e55bf0246e19ac771a73d7ef8e978268f8fce144", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e32401eea05af04fc14ead36e55bf0246e19ac771a73d7ef8e978268f8fce144", kill_on_drop: false }`
[INFO] [stdout] e32401eea05af04fc14ead36e55bf0246e19ac771a73d7ef8e978268f8fce144