[INFO] fetching crate stackvec 0.2.1...
[INFO] checking stackvec-0.2.1 against try#3d9fdbff4f377de96b3a51174e7a64086bee9a5c for pr-81477
[INFO] extracting crate stackvec 0.2.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate stackvec 0.2.1 on toolchain 3d9fdbff4f377de96b3a51174e7a64086bee9a5c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate stackvec 0.2.1
[INFO] finished tweaking crates.io crate stackvec 0.2.1
[INFO] tweaked toml for crates.io crate stackvec 0.2.1 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "fetch" "--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" "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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ced8b52b9710be5fe69e9035bc29bb6d9b32fe66f0c9a997766e083b2f43aef1
[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" "ced8b52b9710be5fe69e9035bc29bb6d9b32fe66f0c9a997766e083b2f43aef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ced8b52b9710be5fe69e9035bc29bb6d9b32fe66f0c9a997766e083b2f43aef1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ced8b52b9710be5fe69e9035bc29bb6d9b32fe66f0c9a997766e083b2f43aef1", kill_on_drop: false }`
[INFO] [stdout] ced8b52b9710be5fe69e9035bc29bb6d9b32fe66f0c9a997766e083b2f43aef1
[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" "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" "+3d9fdbff4f377de96b3a51174e7a64086bee9a5c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb8364996ab5c1bcd3171e102ea20e00b02722c1dbda65fa15e127255893b3f9
[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" "cb8364996ab5c1bcd3171e102ea20e00b02722c1dbda65fa15e127255893b3f9", kill_on_drop: false }`
[INFO] [stderr]     Checking stackvec v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         try!(fmt::Display::fmt("[", stream));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |             try!(fmt::Debug::fmt(first, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 try!(write!(stream, ", {:?}", x));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         try!(fmt::Display::fmt("[", stream));
[INFO] [stdout]     |         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:374:13
[INFO] [stdout]     |
[INFO] [stdout] 374 |             try!(fmt::Debug::fmt(first, stream));
[INFO] [stdout]     |             ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/stackvec/mod.rs:376:17
[INFO] [stdout]     |
[INFO] [stdout] 376 |                 try!(write!(stream, ", {:?}", x));
[INFO] [stdout]     |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/stackvec/mod.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 59 |             array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }),
[INFO] [stdout]    |                                                    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]   --> src/stackvec/mod.rs:59:52
[INFO] [stdout]    |
[INFO] [stdout] 59 |             array: mem::ManuallyDrop::new(unsafe { mem::uninitialized() }),
[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/error.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fmt::Display::fmt(self.description(), stream)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[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/error.rs:47:32
[INFO] [stdout]    |
[INFO] [stdout] 47 |         fmt::Display::fmt(self.description(), stream)
[INFO] [stdout]    |                                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 16.62s
[INFO] running `Command { std: "docker" "inspect" "cb8364996ab5c1bcd3171e102ea20e00b02722c1dbda65fa15e127255893b3f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb8364996ab5c1bcd3171e102ea20e00b02722c1dbda65fa15e127255893b3f9", kill_on_drop: false }`
[INFO] [stdout] cb8364996ab5c1bcd3171e102ea20e00b02722c1dbda65fa15e127255893b3f9