[INFO] fetching crate regtest 0.3.5...
[INFO] checking regtest-0.3.5 against master#af3c6e733a40e671550e0f0f5aeecaa13772ba56 for pr-74989
[INFO] extracting crate regtest 0.3.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate regtest 0.3.5 on toolchain af3c6e733a40e671550e0f0f5aeecaa13772ba56
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate regtest 0.3.5
[INFO] finished tweaking crates.io crate regtest 0.3.5
[INFO] tweaked toml for crates.io crate regtest 0.3.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8ac6abc452d364d469226a1e217df8159a900dfd01b89495cb4b5d2b041dfb5f
[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" "8ac6abc452d364d469226a1e217df8159a900dfd01b89495cb4b5d2b041dfb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8ac6abc452d364d469226a1e217df8159a900dfd01b89495cb4b5d2b041dfb5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8ac6abc452d364d469226a1e217df8159a900dfd01b89495cb4b5d2b041dfb5f", kill_on_drop: false }`
[INFO] [stdout] 8ac6abc452d364d469226a1e217df8159a900dfd01b89495cb4b5d2b041dfb5f
[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" "+af3c6e733a40e671550e0f0f5aeecaa13772ba56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 8fa0302f0f7bd5ed98beb7fac27c192bade60f6c40b9f219f419502bebd58407
[INFO] running `Command { std: "docker" "start" "-a" "8fa0302f0f7bd5ed98beb7fac27c192bade60f6c40b9f219f419502bebd58407", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking bitflags v0.4.0
[INFO] [stderr]     Checking xdg v2.2.0
[INFO] [stderr]     Checking encode_unicode v0.1.3
[INFO] [stderr]     Checking bitflags v0.7.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking app_dirs v1.2.1
[INFO] [stderr]     Checking rustyline v1.0.0
[INFO] [stderr]     Checking regtest v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / bitflags! {
[INFO] [stdout] 49 | |     flags Config: u32 {
[INFO] [stdout] 50 | |         const VERBOSE_ERRORS = 0b00000001,
[INFO] [stdout] 51 | |         const CAPTURE_GROUPS = 0b00000010,
[INFO] [stdout] 52 | |         const COMPILE_TIME   = 0b00000100,
[INFO] [stdout] 53 | |     }
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / bitflags! {
[INFO] [stdout] 49 | |     flags Config: u32 {
[INFO] [stdout] 50 | |         const VERBOSE_ERRORS = 0b00000001,
[INFO] [stdout] 51 | |         const CAPTURE_GROUPS = 0b00000010,
[INFO] [stdout] 52 | |         const COMPILE_TIME   = 0b00000100,
[INFO] [stdout] 53 | |     }
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / bitflags! {
[INFO] [stdout] 49 | |     flags Config: u32 {
[INFO] [stdout] 50 | |         const VERBOSE_ERRORS = 0b00000001,
[INFO] [stdout] 51 | |         const CAPTURE_GROUPS = 0b00000010,
[INFO] [stdout] 52 | |         const COMPILE_TIME   = 0b00000100,
[INFO] [stdout] 53 | |     }
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/main.rs:48:1
[INFO] [stdout]    |
[INFO] [stdout] 48 | / bitflags! {
[INFO] [stdout] 49 | |     flags Config: u32 {
[INFO] [stdout] 50 | |         const VERBOSE_ERRORS = 0b00000001,
[INFO] [stdout] 51 | |         const CAPTURE_GROUPS = 0b00000010,
[INFO] [stdout] 52 | |         const COMPILE_TIME   = 0b00000100,
[INFO] [stdout] 53 | |     }
[INFO] [stdout] 54 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.43s
[INFO] running `Command { std: "docker" "inspect" "8fa0302f0f7bd5ed98beb7fac27c192bade60f6c40b9f219f419502bebd58407", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8fa0302f0f7bd5ed98beb7fac27c192bade60f6c40b9f219f419502bebd58407", kill_on_drop: false }`
[INFO] [stdout] 8fa0302f0f7bd5ed98beb7fac27c192bade60f6c40b9f219f419502bebd58407
