[INFO] fetching crate resource-meter 0.2.0...
[INFO] building resource-meter-0.2.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate resource-meter 0.2.0 into /workspace/builds/worker-7-tc1/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-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate resource-meter 0.2.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c86f9ad67d27b4c6c487badd1bbffe73c4939cbd5f2806bff84299ddf4bd0c1e
[INFO] running `Command { std: "docker" "start" "-a" "c86f9ad67d27b4c6c487badd1bbffe73c4939cbd5f2806bff84299ddf4bd0c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c86f9ad67d27b4c6c487badd1bbffe73c4939cbd5f2806bff84299ddf4bd0c1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86f9ad67d27b4c6c487badd1bbffe73c4939cbd5f2806bff84299ddf4bd0c1e", kill_on_drop: false }`
[INFO] [stdout] c86f9ad67d27b4c6c487badd1bbffe73c4939cbd5f2806bff84299ddf4bd0c1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca73f94be29811e8fa8f9e3bbeeac29d54e73191d7a97abba929c5c9d2f7f25e
[INFO] running `Command { std: "docker" "start" "-a" "ca73f94be29811e8fa8f9e3bbeeac29d54e73191d7a97abba929c5c9d2f7f25e", 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: 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: 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] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.07s
[INFO] running `Command { std: "docker" "inspect" "ca73f94be29811e8fa8f9e3bbeeac29d54e73191d7a97abba929c5c9d2f7f25e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca73f94be29811e8fa8f9e3bbeeac29d54e73191d7a97abba929c5c9d2f7f25e", kill_on_drop: false }`
[INFO] [stdout] ca73f94be29811e8fa8f9e3bbeeac29d54e73191d7a97abba929c5c9d2f7f25e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ede0b1aff07ea2a89bda30d39762d137e0ab59ae03e18b0be6afebf2b3311b3
[INFO] running `Command { std: "docker" "start" "-a" "4ede0b1aff07ea2a89bda30d39762d137e0ab59ae03e18b0be6afebf2b3311b3", kill_on_drop: false }`
[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: 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: 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] [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: 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: 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] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4ede0b1aff07ea2a89bda30d39762d137e0ab59ae03e18b0be6afebf2b3311b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ede0b1aff07ea2a89bda30d39762d137e0ab59ae03e18b0be6afebf2b3311b3", kill_on_drop: false }`
[INFO] [stdout] 4ede0b1aff07ea2a89bda30d39762d137e0ab59ae03e18b0be6afebf2b3311b3