[INFO] fetching crate tokidator 0.3.0...
[INFO] checking tokidator-0.3.0 against master#430feb24a46993e5073c1bb1b39da190d83fa2bf for pr-78363
[INFO] extracting crate tokidator 0.3.0 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate tokidator 0.3.0 on toolchain 430feb24a46993e5073c1bb1b39da190d83fa2bf
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tokidator 0.3.0
[INFO] finished tweaking crates.io crate tokidator 0.3.0
[INFO] tweaked toml for crates.io crate tokidator 0.3.0 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate crates.io crate tokidator 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] dfc1d918b1cea21060124311a426f72092f24a342fd3b17f45a4281a0a510adb
[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" "dfc1d918b1cea21060124311a426f72092f24a342fd3b17f45a4281a0a510adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dfc1d918b1cea21060124311a426f72092f24a342fd3b17f45a4281a0a510adb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfc1d918b1cea21060124311a426f72092f24a342fd3b17f45a4281a0a510adb", kill_on_drop: false }`
[INFO] [stdout] dfc1d918b1cea21060124311a426f72092f24a342fd3b17f45a4281a0a510adb
[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" "+430feb24a46993e5073c1bb1b39da190d83fa2bf" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 523944b85d4729807a4c2ac0b6acd79ad18fb420ac2def3dea55b205d3c4d3f7
[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" "523944b85d4729807a4c2ac0b6acd79ad18fb420ac2def3dea55b205d3c4d3f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling cc v1.0.50
[INFO] [stderr]    Compiling rayon-core v1.7.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking oorandom v11.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking bitvec v0.17.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking plotters v0.2.12
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.1
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tinytemplate v1.0.3
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]    Compiling protobuf-codegen v2.10.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.10.1
[INFO] [stderr]    Compiling tokidator v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling num-derive v0.3.0
[INFO] [stderr]    Compiling strum_macros v0.17.1
[INFO] [stderr] warning: fail to generate protobuf file from source: Os { code: 30, kind: Other, message: "Read-only file system" }
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/rbac/policy_set.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let bits = u8::BITS as usize;
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BITS(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::<impl u8>::BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.1
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> src/rbac/policy_set.rs:91:16
[INFO] [stdout]    |
[INFO] [stdout] 91 |     let bits = u8::BITS as usize;
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout]    = warning: once this method is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `BITS(...)` to keep using the current method
[INFO] [stdout]    = help: add `#![feature(int_bits_const)]` to the crate attributes to enable `core::num::<impl u8>::BITS`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 40s
[INFO] running `Command { std: "docker" "inspect" "523944b85d4729807a4c2ac0b6acd79ad18fb420ac2def3dea55b205d3c4d3f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "523944b85d4729807a4c2ac0b6acd79ad18fb420ac2def3dea55b205d3c4d3f7", kill_on_drop: false }`
[INFO] [stdout] 523944b85d4729807a4c2ac0b6acd79ad18fb420ac2def3dea55b205d3c4d3f7