[INFO] fetching crate mdl 1.0.4...
[INFO] checking mdl-1.0.4 against try#353a0a223066e9f46a1d935f2271a26c3c5002bb for pr-75180
[INFO] extracting crate mdl 1.0.4 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate mdl 1.0.4 on toolchain 353a0a223066e9f46a1d935f2271a26c3c5002bb
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "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-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7285402fc22840dfe2772de8bc8ccc2da28c4559050cc0b9bac1a887bf832ab
[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" "c7285402fc22840dfe2772de8bc8ccc2da28c4559050cc0b9bac1a887bf832ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7285402fc22840dfe2772de8bc8ccc2da28c4559050cc0b9bac1a887bf832ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7285402fc22840dfe2772de8bc8ccc2da28c4559050cc0b9bac1a887bf832ab", kill_on_drop: false }`
[INFO] [stdout] c7285402fc22840dfe2772de8bc8ccc2da28c4559050cc0b9bac1a887bf832ab
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "+353a0a223066e9f46a1d935f2271a26c3c5002bb" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54967785e0c3726bdcb780113ebcdc52e395ea3cf7bd221e1230a5d961edb8b2
[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" "54967785e0c3726bdcb780113ebcdc52e395ea3cf7bd221e1230a5d961edb8b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling libc v0.2.76
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling lmdb-sys v0.8.0
[INFO] [stderr]     Checking bincode v1.3.1
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking backtrace v0.3.50
[INFO] [stderr]    Compiling syn v1.0.39
[INFO] [stderr]     Checking lmdb v0.8.0
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling failure_derive v0.1.8
[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 34.31s
[INFO] running `Command { std: "docker" "inspect" "54967785e0c3726bdcb780113ebcdc52e395ea3cf7bd221e1230a5d961edb8b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54967785e0c3726bdcb780113ebcdc52e395ea3cf7bd221e1230a5d961edb8b2", kill_on_drop: false }`
[INFO] [stdout] 54967785e0c3726bdcb780113ebcdc52e395ea3cf7bd221e1230a5d961edb8b2