[INFO] fetching crate carbon-lib 0.3.1...
[INFO] testing carbon-lib-0.3.1 against try#eafdee2dfae8c2233b74f98b123308be7ccefcc6 for pr-79296
[INFO] extracting crate carbon-lib 0.3.1 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate carbon-lib 0.3.1 on toolchain eafdee2dfae8c2233b74f98b123308be7ccefcc6
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "read-manifest" "--manifest-path" "Cargo.toml", 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-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded carbon-dump v1.2.2
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f706ac3bd494359868e65e2a570bb954e5733e6e88c59b6c4518d00ce3fc95ab
[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" "f706ac3bd494359868e65e2a570bb954e5733e6e88c59b6c4518d00ce3fc95ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f706ac3bd494359868e65e2a570bb954e5733e6e88c59b6c4518d00ce3fc95ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f706ac3bd494359868e65e2a570bb954e5733e6e88c59b6c4518d00ce3fc95ab", kill_on_drop: false }`
[INFO] [stdout] f706ac3bd494359868e65e2a570bb954e5733e6e88c59b6c4518d00ce3fc95ab
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c84dc45c3936fe39f13633fc1de62cd81bbd5e4f2559b3f700dba063756877f3
[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" "c84dc45c3936fe39f13633fc1de62cd81bbd5e4f2559b3f700dba063756877f3", kill_on_drop: false }`
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling base64 v0.12.3
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling regex-syntax v0.6.21
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.0
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling yaml-rust v0.4.4
[INFO] [stderr]    Compiling bincode v1.3.1
[INFO] [stderr]    Compiling syn v1.0.52
[INFO] [stderr]    Compiling flate2 v1.0.19
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling plist v1.0.0
[INFO] [stderr]    Compiling onig v6.1.1
[INFO] [stderr]    Compiling syntect v4.4.0
[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>) -> 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 45.00s
[INFO] running `Command { std: "docker" "inspect" "c84dc45c3936fe39f13633fc1de62cd81bbd5e4f2559b3f700dba063756877f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c84dc45c3936fe39f13633fc1de62cd81bbd5e4f2559b3f700dba063756877f3", kill_on_drop: false }`
[INFO] [stdout] c84dc45c3936fe39f13633fc1de62cd81bbd5e4f2559b3f700dba063756877f3
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe1ebfa21cb73d0dc45852c39c4f7065953f8422f8932423d1ccc35ddb1954fd
[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" "fe1ebfa21cb73d0dc45852c39c4f7065953f8422f8932423d1ccc35ddb1954fd", 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>) -> 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>) -> 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 test [unoptimized + debuginfo] target(s) in 3.33s
[INFO] running `Command { std: "docker" "inspect" "fe1ebfa21cb73d0dc45852c39c4f7065953f8422f8932423d1ccc35ddb1954fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe1ebfa21cb73d0dc45852c39c4f7065953f8422f8932423d1ccc35ddb1954fd", kill_on_drop: false }`
[INFO] [stdout] fe1ebfa21cb73d0dc45852c39c4f7065953f8422f8932423d1ccc35ddb1954fd
[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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+eafdee2dfae8c2233b74f98b123308be7ccefcc6" "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] e8fff49119c2f6c8cbfc5354f05647a220d27d3c534078c4a03eb72983c57986
[INFO] running `Command { std: "docker" "start" "-a" "e8fff49119c2f6c8cbfc5354f05647a220d27d3c534078c4a03eb72983c57986", 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>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[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>) -> String {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 2 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/carbon_lib-839e4d86f2fa3873
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test html ... ok
[INFO] [stdout] test main ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests carbon-lib
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e8fff49119c2f6c8cbfc5354f05647a220d27d3c534078c4a03eb72983c57986", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e8fff49119c2f6c8cbfc5354f05647a220d27d3c534078c4a03eb72983c57986", kill_on_drop: false }`
[INFO] [stdout] e8fff49119c2f6c8cbfc5354f05647a220d27d3c534078c4a03eb72983c57986