[INFO] fetching crate carbon-lib 0.3.1... [INFO] testing carbon-lib-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799 [INFO] extracting crate carbon-lib 0.3.1 into /workspace/builds/worker-10/source [INFO] validating manifest of crates.io crate carbon-lib 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate carbon-lib 0.3.1 [INFO] finished tweaking crates.io crate carbon-lib 0.3.1 [INFO] tweaked toml for crates.io crate carbon-lib 0.3.1 written to /workspace/builds/worker-10/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded onig v6.3.1 [INFO] [stderr] Downloaded plist v1.3.1 [INFO] [stderr] Downloaded syntect v4.6.0 [INFO] [stderr] Downloaded onig_sys v69.7.1 [INFO] [stderr] Downloaded carbon-dump v1.2.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "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] e3112ed0e8bb2396044b420bdcd06916041661f74aca685aa7adff58046e3acb [INFO] running `Command { std: "docker" "start" "-a" "e3112ed0e8bb2396044b420bdcd06916041661f74aca685aa7adff58046e3acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "e3112ed0e8bb2396044b420bdcd06916041661f74aca685aa7adff58046e3acb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e3112ed0e8bb2396044b420bdcd06916041661f74aca685aa7adff58046e3acb", kill_on_drop: false }` [INFO] [stdout] e3112ed0e8bb2396044b420bdcd06916041661f74aca685aa7adff58046e3acb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2b763cd13fec693551c516078f00703906198d9ee3b4b3bb7a5107a2a512c40f [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" "2b763cd13fec693551c516078f00703906198d9ee3b4b3bb7a5107a2a512c40f", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libc v0.2.108 [INFO] [stderr] Compiling proc-macro2 v1.0.32 [INFO] [stderr] Compiling pkg-config v0.3.22 [INFO] [stderr] Compiling unicode-xid v0.2.2 [INFO] [stderr] Compiling cc v1.0.72 [INFO] [stderr] Compiling syn v1.0.82 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling serde_json v1.0.72 [INFO] [stderr] Compiling safemem v0.3.3 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling base64 v0.13.0 [INFO] [stderr] Compiling regex-syntax v0.6.25 [INFO] [stderr] Compiling lazycell v1.3.0 [INFO] [stderr] Compiling yaml-rust v0.4.5 [INFO] [stderr] Compiling crc32fast v1.3.0 [INFO] [stderr] Compiling bincode v1.3.3 [INFO] [stderr] Compiling line-wrap v0.1.1 [INFO] [stderr] Compiling miniz_oxide v0.4.4 [INFO] [stderr] Compiling indexmap v1.7.0 [INFO] [stderr] Compiling time v0.3.5 [INFO] [stderr] Compiling quote v1.0.10 [INFO] [stderr] Compiling onig_sys v69.7.1 [INFO] [stderr] Compiling flate2 v1.0.22 [INFO] [stderr] Compiling plist v1.3.1 [INFO] [stderr] Compiling serde_derive v1.0.130 [INFO] [stderr] Compiling onig v6.3.1 [INFO] [stderr] Compiling syntect v4.6.0 [INFO] [stderr] Compiling carbon-dump v1.2.2 [INFO] [stderr] Compiling carbon-lib v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/highlight.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | Some(s) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `html_fancy_box` [INFO] [stdout] --> src/utils/html.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 59.04s [INFO] running `Command { std: "docker" "inspect" "2b763cd13fec693551c516078f00703906198d9ee3b4b3bb7a5107a2a512c40f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2b763cd13fec693551c516078f00703906198d9ee3b4b3bb7a5107a2a512c40f", kill_on_drop: false }` [INFO] [stdout] 2b763cd13fec693551c516078f00703906198d9ee3b4b3bb7a5107a2a512c40f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cacb63339d3c75637f763616b18aa48a9b5e4972a469345b82a5bd812d8cfb52 [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" "cacb63339d3c75637f763616b18aa48a9b5e4972a469345b82a5bd812d8cfb52", kill_on_drop: false }` [INFO] [stderr] Compiling carbon-lib v0.3.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/highlight.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | Some(s) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `html_fancy_box` [INFO] [stdout] --> src/utils/html.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `s` [INFO] [stdout] --> src/highlight.rs:54:22 [INFO] [stdout] | [INFO] [stdout] 54 | Some(s) => { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `html_fancy_box` [INFO] [stdout] --> src/utils/html.rs:49:8 [INFO] [stdout] | [INFO] [stdout] 49 | pub fn html_fancy_box(s: &str, title: &Option) -> String { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 2.88s [INFO] [stdout] warning: 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "cacb63339d3c75637f763616b18aa48a9b5e4972a469345b82a5bd812d8cfb52", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cacb63339d3c75637f763616b18aa48a9b5e4972a469345b82a5bd812d8cfb52", kill_on_drop: false }` [INFO] [stdout] cacb63339d3c75637f763616b18aa48a9b5e4972a469345b82a5bd812d8cfb52 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", 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] 7ca190d56a886597d238e8363466f0de6095b444d2e185f2d3aa7eb5030efe0c [INFO] running `Command { std: "docker" "start" "-a" "7ca190d56a886597d238e8363466f0de6095b444d2e185f2d3aa7eb5030efe0c", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `s` [INFO] [stderr] --> src/highlight.rs:54:22 [INFO] [stderr] | [INFO] [stderr] 54 | Some(s) => { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_s` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `html_fancy_box` [INFO] [stderr] --> src/utils/html.rs:49:8 [INFO] [stderr] | [INFO] [stderr] 49 | pub fn html_fancy_box(s: &str, title: &Option) -> String { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `carbon-lib` (lib) generated 2 warnings [INFO] [stderr] warning: `carbon-lib` (lib test) generated 2 warnings (2 duplicates) [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/carbon_lib-7e31c3a6ef98b1dd) [INFO] [stdout] running 2 tests [INFO] [stdout] test html ... ok [INFO] [stderr] Doc-tests carbon-lib [INFO] [stdout] test main ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 1.96s [INFO] [stdout] [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" "7ca190d56a886597d238e8363466f0de6095b444d2e185f2d3aa7eb5030efe0c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7ca190d56a886597d238e8363466f0de6095b444d2e185f2d3aa7eb5030efe0c", kill_on_drop: false }` [INFO] [stdout] 7ca190d56a886597d238e8363466f0de6095b444d2e185f2d3aa7eb5030efe0c