[INFO] fetching crate semvercli 0.0.1...
[INFO] checking semvercli-0.0.1 against try#ffa4a0215752773248fb0f0a8092f1c3e7907e9e for pr-75585
[INFO] extracting crate semvercli 0.0.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate semvercli 0.0.1 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 semvercli 0.0.1
[INFO] finished tweaking crates.io crate semvercli 0.0.1
[INFO] tweaked toml for crates.io crate semvercli 0.0.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ffa4a0215752773248fb0f0a8092f1c3e7907e9e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stdout] f02e7917d512b5ac14dac490495751eb6d020aba4a992fb2005c2b4b5c2f1b7b
[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" "f02e7917d512b5ac14dac490495751eb6d020aba4a992fb2005c2b4b5c2f1b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f02e7917d512b5ac14dac490495751eb6d020aba4a992fb2005c2b4b5c2f1b7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f02e7917d512b5ac14dac490495751eb6d020aba4a992fb2005c2b4b5c2f1b7b", kill_on_drop: false }`
[INFO] [stdout] f02e7917d512b5ac14dac490495751eb6d020aba4a992fb2005c2b4b5c2f1b7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 31c248a4db9cb4d1111295c7f1c871c6a7859f3b8dfdb23550cb1f55554d0377
[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" "31c248a4db9cb4d1111295c7f1c871c6a7859f3b8dfdb23550cb1f55554d0377", kill_on_drop: false }`
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking ascii v0.9.3
[INFO] [stderr]     Checking either v1.6.0
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rusty-fork v0.2.2
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking proptest v0.9.6
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking semvercli v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:253:47
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn execute(matches: &ArgMatches, stdout: &mut Write) {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:253:47
[INFO] [stdout]     |
[INFO] [stdout] 253 | fn execute(matches: &ArgMatches, stdout: &mut Write) {
[INFO] [stdout]     |                                               ^^^^^ help: use `dyn`: `dyn Write`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.98s
[INFO] running `Command { std: "docker" "inspect" "31c248a4db9cb4d1111295c7f1c871c6a7859f3b8dfdb23550cb1f55554d0377", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "31c248a4db9cb4d1111295c7f1c871c6a7859f3b8dfdb23550cb1f55554d0377", kill_on_drop: false }`
[INFO] [stdout] 31c248a4db9cb4d1111295c7f1c871c6a7859f3b8dfdb23550cb1f55554d0377