[INFO] crate mdl 1.0.4 is already in cache
[INFO] checking mdl-1.0.4 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315
[INFO] extracting crate mdl 1.0.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate mdl 1.0.4 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 mdl 1.0.4
[INFO] finished tweaking crates.io crate mdl 1.0.4
[INFO] tweaked toml for crates.io crate mdl 1.0.4 written to /workspace/builds/worker-1/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] [stderr]     Blocking waiting for file lock on package cache
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 36bb403d74ac922922995bcc6a6dd4444526d38d139368c552be2e0224765087
[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" "36bb403d74ac922922995bcc6a6dd4444526d38d139368c552be2e0224765087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "36bb403d74ac922922995bcc6a6dd4444526d38d139368c552be2e0224765087", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36bb403d74ac922922995bcc6a6dd4444526d38d139368c552be2e0224765087", kill_on_drop: false }`
[INFO] [stdout] 36bb403d74ac922922995bcc6a6dd4444526d38d139368c552be2e0224765087
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 85c9078cc250101fd08773cb94bc6fbf85ca5815dd444f95dc2c6c48dfcd38f3
[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" "85c9078cc250101fd08773cb94bc6fbf85ca5815dd444f95dc2c6c48dfcd38f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking mdl v1.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signal.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub callback: Box<Fn(Signal) + Send + 'static>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + Send + 'static`
[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/signal.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub callback: Box<Fn(Signal) + 'static>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signal.rs:149:50
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn subscribe(&self, signal: &str, f: Box<Fn(Signal) + Send + 'static>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signal.rs:201:50
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn subscribe(&self, signal: &str, f: Box<Fn(Signal) + 'static>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/signal.rs:61:23
[INFO] [stdout]    |
[INFO] [stdout] 61 |     pub callback: Box<Fn(Signal) + Send + 'static>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + Send + 'static`
[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/signal.rs:66:23
[INFO] [stdout]    |
[INFO] [stdout] 66 |     pub callback: Box<Fn(Signal) + 'static>,
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signal.rs:149:50
[INFO] [stdout]     |
[INFO] [stdout] 149 |     pub fn subscribe(&self, signal: &str, f: Box<Fn(Signal) + Send + 'static>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + Send + 'static`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/signal.rs:201:50
[INFO] [stdout]     |
[INFO] [stdout] 201 |     pub fn subscribe(&self, signal: &str, f: Box<Fn(Signal) + 'static>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(Signal) + 'static`
[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 27.73s
[INFO] running `Command { std: "docker" "inspect" "85c9078cc250101fd08773cb94bc6fbf85ca5815dd444f95dc2c6c48dfcd38f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85c9078cc250101fd08773cb94bc6fbf85ca5815dd444f95dc2c6c48dfcd38f3", kill_on_drop: false }`
[INFO] [stdout] 85c9078cc250101fd08773cb94bc6fbf85ca5815dd444f95dc2c6c48dfcd38f3