[INFO] fetching crate romodoro 0.5.0...
[INFO] checking romodoro-0.5.0 against try#4662032ab74cd44d423120d08d251dfead4914a0 for pr-72788
[INFO] extracting crate romodoro 0.5.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate romodoro 0.5.0 on toolchain 4662032ab74cd44d423120d08d251dfead4914a0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate romodoro 0.5.0
[INFO] finished tweaking crates.io crate romodoro 0.5.0
[INFO] tweaked toml for crates.io crate romodoro 0.5.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4662032ab74cd44d423120d08d251dfead4914a0" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] bb228667d1dd3855794da1c6275175e4074c94a3a2e845372b8c688d0715dd1f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "bb228667d1dd3855794da1c6275175e4074c94a3a2e845372b8c688d0715dd1f"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking numtoa v0.1.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking nix v0.17.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking termion v1.5.5
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]     Checking chrono v0.4.11
[INFO] [stderr]     Checking ctrlc v3.1.4
[INFO] [stderr]     Checking romodoro v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:225:55
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn write_duration(dur: chrono::Duration, writer: &mut std::io::Write) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:225:55
[INFO] [stderr]     |
[INFO] [stderr] 225 | fn write_duration(dur: chrono::Duration, writer: &mut std::io::Write) {
[INFO] [stderr]     |                                                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 19.19s
[INFO] running `"docker" "inspect" "bb228667d1dd3855794da1c6275175e4074c94a3a2e845372b8c688d0715dd1f"`
[INFO] running `"docker" "rm" "-f" "bb228667d1dd3855794da1c6275175e4074c94a3a2e845372b8c688d0715dd1f"`
[INFO] [stdout] bb228667d1dd3855794da1c6275175e4074c94a3a2e845372b8c688d0715dd1f