[INFO] fetching crate dbcc 2.1.0...
[INFO] checking dbcc-2.1.0 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate dbcc 2.1.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate dbcc 2.1.0 on toolchain ffa4a0215752773248fb0f0a8092f1c3e7907e9e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dbcc 2.1.0
[INFO] finished tweaking crates.io crate dbcc 2.1.0
[INFO] tweaked toml for crates.io crate dbcc 2.1.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate dbcc 2.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded can-dbc v3.0.1
[INFO] [stderr]   Downloaded tokio-socketcan-bcm v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "metadata" "--no-deps" "--format-version=1", 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] 16f2b0628fd1d327ca16142ef23646c354cb7dae9bbb91535aa1140044ebd207
[INFO] running `Command { std: "docker" "start" "-a" "16f2b0628fd1d327ca16142ef23646c354cb7dae9bbb91535aa1140044ebd207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16f2b0628fd1d327ca16142ef23646c354cb7dae9bbb91535aa1140044ebd207", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16f2b0628fd1d327ca16142ef23646c354cb7dae9bbb91535aa1140044ebd207", kill_on_drop: false }`
[INFO] [stdout] 16f2b0628fd1d327ca16142ef23646c354cb7dae9bbb91535aa1140044ebd207
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78e0a15e1c93a64719a9d2964eca9c78f1da767b3923472593e3b9fe21efff7e
[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" "78e0a15e1c93a64719a9d2964eca9c78f1da767b3923472593e3b9fe21efff7e", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]     Checking scopeguard v1.0.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking futures-core v0.3.1
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]    Compiling unicode-segmentation v1.6.0
[INFO] [stderr]     Checking hex v0.2.0
[INFO] [stderr]     Checking futures-io v0.3.1
[INFO] [stderr]     Checking futures-task v0.3.1
[INFO] [stderr]    Compiling nix v0.13.1
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking futures-timer v2.0.2
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking lock_api v0.3.1
[INFO] [stderr]     Checking tokio-sync v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking async-macros v2.0.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]     Checking crypto-mac v0.7.0
[INFO] [stderr]     Checking tokio-executor v0.1.8
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking async-task v1.0.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]     Checking quote v1.0.2
[INFO] [stderr]     Checking blake2 v0.8.1
[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 tokio-current-thread v0.1.6
[INFO] [stderr]     Checking tokio-timer v0.2.11
[INFO] [stderr]     Checking mio v0.6.20
[INFO] [stderr]     Checking kv-log-macro v1.0.4
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.4.0
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking tokio-reactor v0.1.10
[INFO] [stderr]     Checking tokio-threadpool v0.1.16
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking socketcan v1.7.0
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking tokio-socketcan-bcm v0.2.0
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling derive-getters v0.1.0
[INFO] [stderr]    Compiling structopt-derive v0.3.5
[INFO] [stderr]    Compiling async-attributes v1.1.1
[INFO] [stderr]     Checking can-dbc v3.0.1
[INFO] [stderr]     Checking async-std v1.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking structopt v0.3.5
[INFO] [stderr]     Checking dbcc v2.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/lib.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         0..=SFF_MASK => {
[INFO] [stdout]     |         ------------ this range overlaps on `2047_u32`
[INFO] [stdout] ...
[INFO] [stdout] 448 |         SFF_MASK..=EFF_MASK => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/lib.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         0..=SFF_MASK => {
[INFO] [stdout]     |         ------------ this range overlaps on `2047_u32`
[INFO] [stdout] ...
[INFO] [stdout] 486 |         SFF_MASK..=EFF_MASK => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/lib.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 440 |         0..=SFF_MASK => {
[INFO] [stdout]     |         ------------ this range overlaps on `2047_u32`
[INFO] [stdout] ...
[INFO] [stdout] 448 |         SFF_MASK..=EFF_MASK => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(overlapping_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple patterns covering the same range
[INFO] [stdout]    --> src/lib.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 480 |         0..=SFF_MASK => {
[INFO] [stdout]     |         ------------ this range overlaps on `2047_u32`
[INFO] [stdout] ...
[INFO] [stdout] 486 |         SFF_MASK..=EFF_MASK => {
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^ overlapping patterns
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 03s
[INFO] running `Command { std: "docker" "inspect" "78e0a15e1c93a64719a9d2964eca9c78f1da767b3923472593e3b9fe21efff7e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78e0a15e1c93a64719a9d2964eca9c78f1da767b3923472593e3b9fe21efff7e", kill_on_drop: false }`
[INFO] [stdout] 78e0a15e1c93a64719a9d2964eca9c78f1da767b3923472593e3b9fe21efff7e