[INFO] crate pwr-hd44780 0.1.3 is already in cache
[INFO] checking pwr-hd44780-0.1.3 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate pwr-hd44780 0.1.3 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate pwr-hd44780 0.1.3 on toolchain c724b67e1b474262917a5154d74e7072267593fe
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate pwr-hd44780 0.1.3
[INFO] finished tweaking crates.io crate pwr-hd44780 0.1.3
[INFO] tweaked toml for crates.io crate pwr-hd44780 0.1.3 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 86cb02ee542462d559b16b90df1158ba75be8cd3e99f2d1d70f1960ebfd5d064
[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" "86cb02ee542462d559b16b90df1158ba75be8cd3e99f2d1d70f1960ebfd5d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "86cb02ee542462d559b16b90df1158ba75be8cd3e99f2d1d70f1960ebfd5d064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "86cb02ee542462d559b16b90df1158ba75be8cd3e99f2d1d70f1960ebfd5d064", kill_on_drop: false }`
[INFO] [stdout] 86cb02ee542462d559b16b90df1158ba75be8cd3e99f2d1d70f1960ebfd5d064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8b0964dd7ba033cd4ec71f60485f90d536b1e35f4e28cbe0911240e3ff23a6d8
[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" "8b0964dd7ba033cd4ec71f60485f90d536b1e35f4e28cbe0911240e3ff23a6d8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling pulldown-cmark v0.2.0
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling error-chain v0.12.2
[INFO] [stderr]     Checking nix v0.10.0
[INFO] [stderr]    Compiling backtrace v0.3.50
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.41
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking rppal v0.2.0
[INFO] [stderr]    Compiling tempdir v0.3.7
[INFO] [stderr]    Compiling cargo_metadata v0.6.4
[INFO] [stderr]    Compiling skeptic v0.13.4
[INFO] [stderr]    Compiling i2cdev v0.3.2
[INFO] [stderr]     Checking pwr-hd44780 v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bus: Box<Bus>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Bus`
[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/frontends/direct.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stdout]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stdout]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:13:14
[INFO] [stdout]    |
[INFO] [stdout] 13 |     bus: Box<Bus>,
[INFO] [stdout]    |              ^^^ help: use `dyn`: `dyn Bus`
[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/frontends/direct.rs:26:25
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn new(bus: Box<Bus>, width: usize, height: usize) -> Result<Direct> {
[INFO] [stdout]    |                         ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/frontends/direct.rs:40:28
[INFO] [stdout]    |
[INFO] [stdout] 40 |     pub fn new_ex(bus: Box<Bus>, properties: Properties) -> Result<Direct> {
[INFO] [stdout]    |                            ^^^ help: use `dyn`: `dyn Bus`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/lib.rs:21:51
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub type Result<T> = ::std::result::Result<T, Box<std::error::Error>>;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.88s
[INFO] running `Command { std: "docker" "inspect" "8b0964dd7ba033cd4ec71f60485f90d536b1e35f4e28cbe0911240e3ff23a6d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b0964dd7ba033cd4ec71f60485f90d536b1e35f4e28cbe0911240e3ff23a6d8", kill_on_drop: false }`
[INFO] [stdout] 8b0964dd7ba033cd4ec71f60485f90d536b1e35f4e28cbe0911240e3ff23a6d8