[INFO] fetching crate crows-bindings 0.3.0...
[INFO] testing crows-bindings-0.3.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate crows-bindings 0.3.0 into /workspace/builds/worker-4-tc2/source
[INFO] started tweaking crates.io crate crows-bindings 0.3.0
[INFO] finished tweaking crates.io crate crows-bindings 0.3.0
[INFO] tweaked toml for crates.io crate crows-bindings 0.3.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate crows-bindings 0.3.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate crows-bindings 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4120e8685d8417068fdc7ece0cb8c8682649a0a265e3f6ccc4ebc877b1946e69
[INFO] running `Command { std: "docker" "start" "-a" "4120e8685d8417068fdc7ece0cb8c8682649a0a265e3f6ccc4ebc877b1946e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4120e8685d8417068fdc7ece0cb8c8682649a0a265e3f6ccc4ebc877b1946e69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4120e8685d8417068fdc7ece0cb8c8682649a0a265e3f6ccc4ebc877b1946e69", kill_on_drop: false }`
[INFO] [stdout] 4120e8685d8417068fdc7ece0cb8c8682649a0a265e3f6ccc4ebc877b1946e69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 15664971b8cbc87f66708ead2371701ee1be764200c6c14a4934e45d542cc9e2
[INFO] running `Command { std: "docker" "start" "-a" "15664971b8cbc87f66708ead2371701ee1be764200c6c14a4934e45d542cc9e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.67
[INFO] [stderr]    Compiling unicode-ident v1.0.3
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling itoa v1.0.3
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]    Compiling syn v2.0.37
[INFO] [stderr]    Compiling darling_core v0.20.8
[INFO] [stderr]    Compiling serde_derive v1.0.188
[INFO] [stderr]    Compiling crows-macros v0.3.0
[INFO] [stderr]    Compiling darling_macro v0.20.8
[INFO] [stderr]    Compiling darling v0.20.8
[INFO] [stderr]    Compiling serde_with_macros v3.7.0
[INFO] [stderr]    Compiling serde_with v3.7.0
[INFO] [stderr]    Compiling crows-shared v0.3.0
[INFO] [stderr]    Compiling crows-bindings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `with_buffer` is never used
[INFO] [stdout]   --> src/lib.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn with_buffer<R>(f: impl FnOnce(&mut Vec<u8>) -> R) -> R {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn log(content: *mut u8, content_len: usize);
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.15s
[INFO] running `Command { std: "docker" "inspect" "15664971b8cbc87f66708ead2371701ee1be764200c6c14a4934e45d542cc9e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15664971b8cbc87f66708ead2371701ee1be764200c6c14a4934e45d542cc9e2", kill_on_drop: false }`
[INFO] [stdout] 15664971b8cbc87f66708ead2371701ee1be764200c6c14a4934e45d542cc9e2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa662d4f8812375fe7a621f8055e8d0b01ff833dab5717eeb211a82ee027a94d
[INFO] running `Command { std: "docker" "start" "-a" "fa662d4f8812375fe7a621f8055e8d0b01ff833dab5717eeb211a82ee027a94d", kill_on_drop: false }`
[INFO] [stdout] warning: function `with_buffer` is never used
[INFO] [stdout]   --> src/lib.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn with_buffer<R>(f: impl FnOnce(&mut Vec<u8>) -> R) -> R {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn log(content: *mut u8, content_len: usize);
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling crows-bindings v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `with_buffer` is never used
[INFO] [stdout]   --> src/lib.rs:58:4
[INFO] [stdout]    |
[INFO] [stdout] 58 | fn with_buffer<R>(f: impl FnOnce(&mut Vec<u8>) -> R) -> R {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `log` is never used
[INFO] [stdout]   --> src/lib.rs:51:16
[INFO] [stdout]    |
[INFO] [stdout] 51 |         pub fn log(content: *mut u8, content_len: usize);
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.51s
[INFO] running `Command { std: "docker" "inspect" "fa662d4f8812375fe7a621f8055e8d0b01ff833dab5717eeb211a82ee027a94d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa662d4f8812375fe7a621f8055e8d0b01ff833dab5717eeb211a82ee027a94d", kill_on_drop: false }`
[INFO] [stdout] fa662d4f8812375fe7a621f8055e8d0b01ff833dab5717eeb211a82ee027a94d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 9e688bbead8c82e60d911207e47fe9f70dea2c4e696be7c0aae2e6b1701cbdbe
[INFO] running `Command { std: "docker" "start" "-a" "9e688bbead8c82e60d911207e47fe9f70dea2c4e696be7c0aae2e6b1701cbdbe", kill_on_drop: false }`
[INFO] [stderr] warning: function `with_buffer` is never used
[INFO] [stderr]   --> src/lib.rs:58:4
[INFO] [stderr]    |
[INFO] [stderr] 58 | fn with_buffer<R>(f: impl FnOnce(&mut Vec<u8>) -> R) -> R {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `log` is never used
[INFO] [stderr]   --> src/lib.rs:51:16
[INFO] [stderr]    |
[INFO] [stderr] 51 |         pub fn log(content: *mut u8, content_len: usize);
[INFO] [stderr]    |                ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `crows-bindings` (lib) generated 2 warnings
[INFO] [stderr] warning: `crows-bindings` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/crows_bindings-c80bcd140679d43f)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/crows_bindings-5b6b91d9196a28cb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests crows_bindings
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9e688bbead8c82e60d911207e47fe9f70dea2c4e696be7c0aae2e6b1701cbdbe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e688bbead8c82e60d911207e47fe9f70dea2c4e696be7c0aae2e6b1701cbdbe", kill_on_drop: false }`
[INFO] [stdout] 9e688bbead8c82e60d911207e47fe9f70dea2c4e696be7c0aae2e6b1701cbdbe