[INFO] fetching crate resource-meter 0.2.0...
[INFO] building resource-meter-0.2.0 against try#d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6 for pr-146237-1
[INFO] extracting crate resource-meter 0.2.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate resource-meter 0.2.0
[INFO] finished tweaking crates.io crate resource-meter 0.2.0
[INFO] tweaked toml for crates.io crate resource-meter 0.2.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate resource-meter 0.2.0 on toolchain d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate resource-meter 0.2.0 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" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 66b022c703015c8f458360a819601607aa85344eb1a0a18b996a665a48846889
[INFO] running `Command { std: "docker" "start" "-a" "66b022c703015c8f458360a819601607aa85344eb1a0a18b996a665a48846889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66b022c703015c8f458360a819601607aa85344eb1a0a18b996a665a48846889", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66b022c703015c8f458360a819601607aa85344eb1a0a18b996a665a48846889", kill_on_drop: false }`
[INFO] [stdout] 66b022c703015c8f458360a819601607aa85344eb1a0a18b996a665a48846889
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b915320b4c6eb53df579bec5d7206ffe5c9a43d29d26ca1dc7f73c32e59ae4b3
[INFO] running `Command { std: "docker" "start" "-a" "b915320b4c6eb53df579bec5d7206ffe5c9a43d29d26ca1dc7f73c32e59ae4b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.172
[INFO] [stderr]    Compiling resource-meter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let width = 20;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cpu_time` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl ResourceUsage {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn cpu_time(&self) -> Duration {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TreeNode` is more private than the item `Report::Tree::0`
[INFO] [stdout]    --> src/lib.rs:237:10
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Tree(TreeNode),
[INFO] [stdout]     |          ^^^^^^^^ field `Report::Tree::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `TreeNode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:254:1
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct TreeNode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.22s
[INFO] running `Command { std: "docker" "inspect" "b915320b4c6eb53df579bec5d7206ffe5c9a43d29d26ca1dc7f73c32e59ae4b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b915320b4c6eb53df579bec5d7206ffe5c9a43d29d26ca1dc7f73c32e59ae4b3", kill_on_drop: false }`
[INFO] [stdout] b915320b4c6eb53df579bec5d7206ffe5c9a43d29d26ca1dc7f73c32e59ae4b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d79d87d4c0f7f0d0785ad6e493cf8cf718ed89a6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ecad30a8b410f692bbacd608677ee1c9edb93967845cc7b1efa6332f80478ba
[INFO] running `Command { std: "docker" "start" "-a" "4ecad30a8b410f692bbacd608677ee1c9edb93967845cc7b1efa6332f80478ba", kill_on_drop: false }`
[INFO] [stderr]    Compiling resource-meter v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let width = 20;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cpu_time` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl ResourceUsage {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn cpu_time(&self) -> Duration {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TreeNode` is more private than the item `Report::Tree::0`
[INFO] [stdout]    --> src/lib.rs:237:10
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Tree(TreeNode),
[INFO] [stdout]     |          ^^^^^^^^ field `Report::Tree::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `TreeNode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:254:1
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct TreeNode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]    --> src/lib.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         let width = 20;
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `cpu_time` is never used
[INFO] [stdout]    --> src/lib.rs:102:12
[INFO] [stdout]     |
[INFO] [stdout]  82 | impl ResourceUsage {
[INFO] [stdout]     | ------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     pub fn cpu_time(&self) -> Duration {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `TreeNode` is more private than the item `Report::Tree::0`
[INFO] [stdout]    --> src/lib.rs:237:10
[INFO] [stdout]     |
[INFO] [stdout] 237 |     Tree(TreeNode),
[INFO] [stdout]     |          ^^^^^^^^ field `Report::Tree::0` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `TreeNode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/lib.rs:254:1
[INFO] [stdout]     |
[INFO] [stdout] 254 | struct TreeNode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.59s
[INFO] running `Command { std: "docker" "inspect" "4ecad30a8b410f692bbacd608677ee1c9edb93967845cc7b1efa6332f80478ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ecad30a8b410f692bbacd608677ee1c9edb93967845cc7b1efa6332f80478ba", kill_on_drop: false }`
[INFO] [stdout] 4ecad30a8b410f692bbacd608677ee1c9edb93967845cc7b1efa6332f80478ba