[INFO] fetching crate dwprod 0.1.0...
[INFO] checking dwprod-0.1.0 against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] extracting crate dwprod 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate dwprod 0.1.0 on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dwprod 0.1.0
[INFO] finished tweaking crates.io crate dwprod 0.1.0
[INFO] tweaked toml for crates.io crate dwprod 0.1.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded scroll_derive v0.4.0
[INFO] [stderr]   Downloaded plain v0.0.2
[INFO] [stderr]   Downloaded scroll v0.5.0
[INFO] [stderr]   Downloaded object v0.4.1
[INFO] [stderr]   Downloaded goblin v0.0.10
[INFO] [stderr]   Downloaded gimli v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", 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] 0983d80a5dffcbba7e09a1bbb5d74dcf709c58dd698ba663cbd722575d0ae211
[INFO] running `Command { std: "docker" "start" "-a" "0983d80a5dffcbba7e09a1bbb5d74dcf709c58dd698ba663cbd722575d0ae211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0983d80a5dffcbba7e09a1bbb5d74dcf709c58dd698ba663cbd722575d0ae211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0983d80a5dffcbba7e09a1bbb5d74dcf709c58dd698ba663cbd722575d0ae211", kill_on_drop: false }`
[INFO] [stdout] 0983d80a5dffcbba7e09a1bbb5d74dcf709c58dd698ba663cbd722575d0ae211
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "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] f6d40d1e8016b0a6dd2d1bc020b034e79affb9de133cb3d2457d4ec599e8dd74
[INFO] running `Command { std: "docker" "start" "-a" "f6d40d1e8016b0a6dd2d1bc020b034e79affb9de133cb3d2457d4ec599e8dd74", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking odds v0.2.26
[INFO] [stderr]     Checking plain v0.0.2
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking scroll v0.5.0
[INFO] [stderr]    Compiling dwprod v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking fallible-iterator v0.1.6
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking arrayvec v0.3.25
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking gimli v0.14.0
[INFO] [stderr]    Compiling scroll_derive v0.4.0
[INFO] [stderr]     Checking goblin v0.0.10
[INFO] [stderr]     Checking object v0.4.1
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/lib.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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/lib.rs:175:32
[INFO] [stdout]     |
[INFO] [stdout] 175 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:170:35
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Error::Dwarf(ref e) => e.description(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:170:35
[INFO] [stdout]     |
[INFO] [stdout] 170 |             Error::Io(ref e) => e.description(),
[INFO] [stdout]     |                                   ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]    --> src/lib.rs:171:38
[INFO] [stdout]     |
[INFO] [stdout] 171 |             Error::Dwarf(ref e) => e.description(),
[INFO] [stdout]     |                                      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 18.07s
[INFO] running `Command { std: "docker" "inspect" "f6d40d1e8016b0a6dd2d1bc020b034e79affb9de133cb3d2457d4ec599e8dd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d40d1e8016b0a6dd2d1bc020b034e79affb9de133cb3d2457d4ec599e8dd74", kill_on_drop: false }`
[INFO] [stdout] f6d40d1e8016b0a6dd2d1bc020b034e79affb9de133cb3d2457d4ec599e8dd74