[INFO] fetching crate fuchsia-zircon 0.3.3...
[INFO] testing fuchsia-zircon-0.3.3 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031
[INFO] extracting crate fuchsia-zircon 0.3.3 into /workspace/builds/worker-31/source
[INFO] validating manifest of crates.io crate fuchsia-zircon 0.3.3 on toolchain 722e1797249a965b6335aebd65d777f917e498f1
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fuchsia-zircon 0.3.3
[INFO] finished tweaking crates.io crate fuchsia-zircon 0.3.3
[INFO] tweaked toml for crates.io crate fuchsia-zircon 0.3.3 written to /workspace/builds/worker-31/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d8f95a92f705ff7103a14c07d0ffd48d6be321112467863f59804443e703a8d
[INFO] running `Command { std: "docker" "start" "-a" "8d8f95a92f705ff7103a14c07d0ffd48d6be321112467863f59804443e703a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d8f95a92f705ff7103a14c07d0ffd48d6be321112467863f59804443e703a8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d8f95a92f705ff7103a14c07d0ffd48d6be321112467863f59804443e703a8d", kill_on_drop: false }`
[INFO] [stdout] 8d8f95a92f705ff7103a14c07d0ffd48d6be321112467863f59804443e703a8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-31/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd49f12b5a5151e90323201740b41fda3973a15489bd16391836d104d7876f1d
[INFO] running `Command { std: "docker" "start" "-a" "dd49f12b5a5151e90323201740b41fda3973a15489bd16391836d104d7876f1d", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling fuchsia-zircon-sys v0.3.3
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling fuchsia-zircon v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:94:23
[INFO] [stdout]    |
[INFO] [stdout] 94 |         let n_bytes = try!(usize_into_u32(bytes.len()).map_err(|_| Status::OUT_OF_RANGE));
[INFO] [stdout]    |                       ^^^
[INFO] [stdout]    |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]   --> src/lib.rs:8:9
[INFO] [stdout]    |
[INFO] [stdout] 8  | #![deny(warnings)]
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    = note: `#[deny(deprecated)]` implied by `#[deny(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]   --> src/channel.rs:95:25
[INFO] [stdout]    |
[INFO] [stdout] 95 |         let n_handles = try!(usize_into_u32(handles.len()).map_err(|_| Status::OUT_OF_RANGE));
[INFO] [stdout]    |                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:123:31
[INFO] [stdout]     |
[INFO] [stdout] 123 |         let write_num_bytes = try!(usize_into_u32(bytes.len()).map_err(
[INFO] [stdout]     |                               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/channel.rs:125:33
[INFO] [stdout]     |
[INFO] [stdout] 125 |         let write_num_handles = try!(usize_into_u32(handles.len()).map_err(
[INFO] [stdout]     |                                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/lib.rs:149:15
[INFO] [stdout]     |
[INFO] [stdout] 149 |     let len = try!(usize_into_u32(items.len()).map_err(|_| Status::OUT_OF_RANGE));
[INFO] [stdout]     |               ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 5 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `fuchsia-zircon` due to 6 previous errors
[INFO] running `Command { std: "docker" "inspect" "dd49f12b5a5151e90323201740b41fda3973a15489bd16391836d104d7876f1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd49f12b5a5151e90323201740b41fda3973a15489bd16391836d104d7876f1d", kill_on_drop: false }`
[INFO] [stdout] dd49f12b5a5151e90323201740b41fda3973a15489bd16391836d104d7876f1d