[INFO] fetching crate dummy-cargo-toml-creater 0.1.6...
[INFO] checking dummy-cargo-toml-creater-0.1.6 against try#9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c for pr-79472
[INFO] extracting crate dummy-cargo-toml-creater 0.1.6 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate dummy-cargo-toml-creater 0.1.6 on toolchain 9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dummy-cargo-toml-creater 0.1.6
[INFO] finished tweaking crates.io crate dummy-cargo-toml-creater 0.1.6
[INFO] tweaked toml for crates.io crate dummy-cargo-toml-creater 0.1.6 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ascii v0.9.3
[INFO] [stderr]   Downloaded toml_edit v0.1.5
[INFO] [stderr]   Downloaded toml v0.4.10
[INFO] [stderr]   Downloaded cargo_toml v0.6.4
[INFO] [stderr]   Downloaded combine v3.8.1
[INFO] [stderr]   Downloaded unreachable v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6cddf9805dc08c06dd96f6ca6c87c88482ce3d93ea8ae9ae5c964d7a2af6479c
[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" "6cddf9805dc08c06dd96f6ca6c87c88482ce3d93ea8ae9ae5c964d7a2af6479c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6cddf9805dc08c06dd96f6ca6c87c88482ce3d93ea8ae9ae5c964d7a2af6479c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cddf9805dc08c06dd96f6ca6c87c88482ce3d93ea8ae9ae5c964d7a2af6479c", kill_on_drop: false }`
[INFO] [stdout] 6cddf9805dc08c06dd96f6ca6c87c88482ce3d93ea8ae9ae5c964d7a2af6479c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+9b49d8c6c904f63eb486fe51b14bbe0aa2feda4c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 183f7b76c15cdc0a5475bd97f4cf295172f3960000d2782d2d12bd05068ab9d1
[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" "183f7b76c15cdc0a5475bd97f4cf295172f3960000d2782d2d12bd05068ab9d1", kill_on_drop: false }`
[INFO] [stderr] warning: only one of `license` or `license-file` is necessary
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking toml_edit v0.1.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.7
[INFO] [stderr]     Checking cargo_toml v0.6.4
[INFO] [stderr]     Checking dummy-cargo-toml-creater v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn do_cat(stream: &mut BufRead) -> String {
[INFO] [stdout]    |                        ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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:60:24
[INFO] [stdout]    |
[INFO] [stdout] 60 | fn do_cat(stream: &mut BufRead) -> String {
[INFO] [stdout]    |                        ^^^^^^^ help: use `dyn`: `dyn BufRead`
[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 32.63s
[INFO] running `Command { std: "docker" "inspect" "183f7b76c15cdc0a5475bd97f4cf295172f3960000d2782d2d12bd05068ab9d1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "183f7b76c15cdc0a5475bd97f4cf295172f3960000d2782d2d12bd05068ab9d1", kill_on_drop: false }`
[INFO] [stdout] 183f7b76c15cdc0a5475bd97f4cf295172f3960000d2782d2d12bd05068ab9d1