[INFO] fetching crate carbon-lib 0.3.1...
[INFO] testing carbon-lib-0.3.1 against try#ce59db7a1b1b012fb2793c4641c1bdecad7a128b for pr-85530
[INFO] extracting crate carbon-lib 0.3.1 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate carbon-lib 0.3.1 on toolchain ce59db7a1b1b012fb2793c4641c1bdecad7a128b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "fetch" "--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-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 10e81d5ba967b6e9ccfb0f2b325e368dbffb4e5998d95fcea0bd5dcab1d76703
[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" "10e81d5ba967b6e9ccfb0f2b325e368dbffb4e5998d95fcea0bd5dcab1d76703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "10e81d5ba967b6e9ccfb0f2b325e368dbffb4e5998d95fcea0bd5dcab1d76703", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "10e81d5ba967b6e9ccfb0f2b325e368dbffb4e5998d95fcea0bd5dcab1d76703", kill_on_drop: false }`
[INFO] [stdout] 10e81d5ba967b6e9ccfb0f2b325e368dbffb4e5998d95fcea0bd5dcab1d76703
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c5785fdb9f10ae09cbdc5c96e8c1c59667b9812d4ec4c94aadb524be6c2a91c
[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" "3c5785fdb9f10ae09cbdc5c96e8c1c59667b9812d4ec4c94aadb524be6c2a91c", kill_on_drop: false }`
[INFO] [stderr]    Compiling base64 v0.13.0
[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 v1.6.2
[INFO] [stderr]    Compiling onig_sys v69.6.0
[INFO] [stderr]    Compiling line-wrap v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling plist v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling onig v6.1.1
[INFO] [stderr]    Compiling syntect v4.5.0
[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 23.31s
[INFO] running `Command { std: "docker" "inspect" "3c5785fdb9f10ae09cbdc5c96e8c1c59667b9812d4ec4c94aadb524be6c2a91c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c5785fdb9f10ae09cbdc5c96e8c1c59667b9812d4ec4c94aadb524be6c2a91c", kill_on_drop: false }`
[INFO] [stdout] 3c5785fdb9f10ae09cbdc5c96e8c1c59667b9812d4ec4c94aadb524be6c2a91c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4817b479392369d92ec67ea5f05b8273a0b2720bfb9113e4c24e1986577da2c9
[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" "4817b479392369d92ec67ea5f05b8273a0b2720bfb9113e4c24e1986577da2c9", 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 2.29s
[INFO] running `Command { std: "docker" "inspect" "4817b479392369d92ec67ea5f05b8273a0b2720bfb9113e4c24e1986577da2c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4817b479392369d92ec67ea5f05b8273a0b2720bfb9113e4c24e1986577da2c9", kill_on_drop: false }`
[INFO] [stdout] 4817b479392369d92ec67ea5f05b8273a0b2720bfb9113e4c24e1986577da2c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "+ce59db7a1b1b012fb2793c4641c1bdecad7a128b" "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] 36150d3a4aa41f6ff03e0261591f528323d0a936b116314872f63f4da6fdcd70
[INFO] running `Command { std: "docker" "start" "-a" "36150d3a4aa41f6ff03e0261591f528323d0a936b116314872f63f4da6fdcd70", 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 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/carbon_lib-66b89da373a1b1f1)
[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; finished in 1.38s
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "36150d3a4aa41f6ff03e0261591f528323d0a936b116314872f63f4da6fdcd70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36150d3a4aa41f6ff03e0261591f528323d0a936b116314872f63f4da6fdcd70", kill_on_drop: false }`
[INFO] [stdout] 36150d3a4aa41f6ff03e0261591f528323d0a936b116314872f63f4da6fdcd70