[INFO] fetching crate nanomsg 0.7.2...
[INFO] checking nanomsg-0.7.2 against try#7b3565da729099dbe807466fcd118fb2815986e0 for pr-81789
[INFO] extracting crate nanomsg 0.7.2 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate nanomsg 0.7.2 on toolchain 7b3565da729099dbe807466fcd118fb2815986e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate nanomsg 0.7.2
[INFO] finished tweaking crates.io crate nanomsg 0.7.2
[INFO] tweaked toml for crates.io crate nanomsg 0.7.2 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded nanomsg-sys v0.7.2
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] ef1e4762d8414c1787f5d34ed58bbdf843c47abba2463b779123da8ab50a2f3b
[INFO] running `Command { std: "docker" "start" "-a" "ef1e4762d8414c1787f5d34ed58bbdf843c47abba2463b779123da8ab50a2f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef1e4762d8414c1787f5d34ed58bbdf843c47abba2463b779123da8ab50a2f3b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef1e4762d8414c1787f5d34ed58bbdf843c47abba2463b779123da8ab50a2f3b", kill_on_drop: false }`
[INFO] [stdout] ef1e4762d8414c1787f5d34ed58bbdf843c47abba2463b779123da8ab50a2f3b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+7b3565da729099dbe807466fcd118fb2815986e0" "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] 55b63e88d8df6f32c5c165c4d02dd30dbd46ac46d507acc6b3e2669f37cd2cf8
[INFO] running `Command { std: "docker" "start" "-a" "55b63e88d8df6f32c5c165c4d02dd30dbd46ac46d507acc6b3e2669f37cd2cf8", kill_on_drop: false }`
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling nanomsg-sys v0.7.2
[INFO] [stderr]     Checking nanomsg v0.7.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/result.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let as_std_error: &error::Error = &err;
[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/result.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let as_std_error: &error::Error = self;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/result.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let as_std_error: &error::Error = self;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/result.rs:141:28
[INFO] [stdout]     |
[INFO] [stdout] 141 |         let as_std_error: &error::Error = &err;
[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/result.rs:163:28
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let as_std_error: &error::Error = self;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/result.rs:171:28
[INFO] [stdout]     |
[INFO] [stdout] 171 |         let as_std_error: &error::Error = self;
[INFO] [stdout]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/lib.rs:554:29
[INFO] [stdout]     |
[INFO] [stdout] 554 |             let ptr_value = ptr as isize;
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `ptr as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: casting pointer to `isize`
[INFO] [stdout]    --> src/lib.rs:554:29
[INFO] [stdout]     |
[INFO] [stdout] 554 |             let ptr_value = ptr as isize;
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: to cast to `isize`, cast to `usize` first: `ptr as usize as isize`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(invalid_ptr_to_int_cast)]` on by default
[INFO] [stdout]     = help: pointers should only be cast to `usize` or `u64`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:142:40
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:172:40
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `nanomsg`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:142:40
[INFO] [stdout]     |
[INFO] [stdout] 142 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:164:40
[INFO] [stdout]     |
[INFO] [stdout] 164 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]    --> src/result.rs:172:40
[INFO] [stdout]     |
[INFO] [stdout] 172 |         let description = as_std_error.description();
[INFO] [stdout]     |                                        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "55b63e88d8df6f32c5c165c4d02dd30dbd46ac46d507acc6b3e2669f37cd2cf8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "55b63e88d8df6f32c5c165c4d02dd30dbd46ac46d507acc6b3e2669f37cd2cf8", kill_on_drop: false }`
[INFO] [stdout] 55b63e88d8df6f32c5c165c4d02dd30dbd46ac46d507acc6b3e2669f37cd2cf8