[INFO] crate dummy-cargo-toml-creater 0.1.6 is already in cache
[INFO] checking dummy-cargo-toml-creater-0.1.6 against master#8ac1525e091d3db28e67adcbbd6db1e1deaa37fb for pr-73323
[INFO] extracting crate dummy-cargo-toml-creater 0.1.6 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dummy-cargo-toml-creater 0.1.6 on toolchain 8ac1525e091d3db28e67adcbbd6db1e1deaa37fb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "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]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a7771179be85dea1af2a0b94b3c19ffc99d5621d11692e28fd5fc6c34d043fc8
[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" "a7771179be85dea1af2a0b94b3c19ffc99d5621d11692e28fd5fc6c34d043fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a7771179be85dea1af2a0b94b3c19ffc99d5621d11692e28fd5fc6c34d043fc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7771179be85dea1af2a0b94b3c19ffc99d5621d11692e28fd5fc6c34d043fc8", kill_on_drop: false }`
[INFO] [stdout] a7771179be85dea1af2a0b94b3c19ffc99d5621d11692e28fd5fc6c34d043fc8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+8ac1525e091d3db28e67adcbbd6db1e1deaa37fb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32e2d4f9433a04ea2acbed3b2e546670ceb145050516f9cb9405f3f93aef5bef
[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" "32e2d4f9433a04ea2acbed3b2e546670ceb145050516f9cb9405f3f93aef5bef", 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]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking combine v3.8.1
[INFO] [stderr]     Checking chrono v0.4.13
[INFO] [stderr]     Checking cargo_toml v0.6.4
[INFO] [stderr]     Checking toml_edit v0.1.5
[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 28.22s
[INFO] running `Command { std: "docker" "inspect" "32e2d4f9433a04ea2acbed3b2e546670ceb145050516f9cb9405f3f93aef5bef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32e2d4f9433a04ea2acbed3b2e546670ceb145050516f9cb9405f3f93aef5bef", kill_on_drop: false }`
[INFO] [stdout] 32e2d4f9433a04ea2acbed3b2e546670ceb145050516f9cb9405f3f93aef5bef