[INFO] cloning repository https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tiny-browserbook/exercise-rendering-tree" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 52ba96b59bd81422a97a8caa975f4f04a7e8f63e [INFO] testing tiny-browserbook/exercise-rendering-tree against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftiny-browserbook%2Fexercise-rendering-tree" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] finished tweaking git repo https://github.com/tiny-browserbook/exercise-rendering-tree [INFO] tweaked toml for git repo https://github.com/tiny-browserbook/exercise-rendering-tree written to /workspace/builds/worker-0-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/tiny-browserbook/exercise-rendering-tree on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/tiny-browserbook/exercise-rendering-tree 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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 combine v4.5.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 13d867a191ddc603ecea161b5e8de99ea9fd33572b7f55ed9cd50d2f4ba29415 [INFO] running `Command { std: "docker" "start" "-a" "13d867a191ddc603ecea161b5e8de99ea9fd33572b7f55ed9cd50d2f4ba29415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "13d867a191ddc603ecea161b5e8de99ea9fd33572b7f55ed9cd50d2f4ba29415", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13d867a191ddc603ecea161b5e8de99ea9fd33572b7f55ed9cd50d2f4ba29415", kill_on_drop: false }` [INFO] [stdout] 13d867a191ddc603ecea161b5e8de99ea9fd33572b7f55ed9cd50d2f4ba29415 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] de76bbe4fdf359d76016fe186c562dda057eab626f48770a63596dec8055e5cd [INFO] running `Command { std: "docker" "start" "-a" "de76bbe4fdf359d76016fe186c562dda057eab626f48770a63596dec8055e5cd", kill_on_drop: false }` [INFO] [stderr] Compiling memchr v2.3.4 [INFO] [stderr] Compiling bytes v1.0.1 [INFO] [stderr] Compiling combine v4.5.2 [INFO] [stderr] Compiling exercise-rendering-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NodeType` [INFO] [stdout] --> src/css.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::dom::{Node, NodeType}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/css.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn matches(&self, n: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/style.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stylesheet` [INFO] [stdout] --> src/style.rs:28:48 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stylesheet` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.82s [INFO] running `Command { std: "docker" "inspect" "de76bbe4fdf359d76016fe186c562dda057eab626f48770a63596dec8055e5cd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "de76bbe4fdf359d76016fe186c562dda057eab626f48770a63596dec8055e5cd", kill_on_drop: false }` [INFO] [stdout] de76bbe4fdf359d76016fe186c562dda057eab626f48770a63596dec8055e5cd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 02e4727ac9487b58d9d87a0ab5bbbe0581cb76a97f8352dee8b308b3d422e8dd [INFO] running `Command { std: "docker" "start" "-a" "02e4727ac9487b58d9d87a0ab5bbbe0581cb76a97f8352dee8b308b3d422e8dd", kill_on_drop: false }` [INFO] [stderr] Compiling exercise-rendering-tree v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `NodeType` [INFO] [stdout] --> src/css.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::dom::{Node, NodeType}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/css.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn matches(&self, n: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/style.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stylesheet` [INFO] [stdout] --> src/style.rs:28:48 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stylesheet` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `NodeType` [INFO] [stdout] --> src/css.rs:9:24 [INFO] [stdout] | [INFO] [stdout] 9 | use crate::dom::{Node, NodeType}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/css.rs:66:27 [INFO] [stdout] | [INFO] [stdout] 66 | pub fn matches(&self, n: &Box) -> bool { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/style.rs:28:27 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stylesheet` [INFO] [stdout] --> src/style.rs:28:48 [INFO] [stdout] | [INFO] [stdout] 28 | pub fn to_styled_node<'a>(node: &'a Box, stylesheet: &Stylesheet) -> Option> { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stylesheet` [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 1.74s [INFO] running `Command { std: "docker" "inspect" "02e4727ac9487b58d9d87a0ab5bbbe0581cb76a97f8352dee8b308b3d422e8dd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "02e4727ac9487b58d9d87a0ab5bbbe0581cb76a97f8352dee8b308b3d422e8dd", kill_on_drop: false }` [INFO] [stdout] 02e4727ac9487b58d9d87a0ab5bbbe0581cb76a97f8352dee8b308b3d422e8dd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] bce09a50af759a24206dc2dcda620d4d3034b5f2d077c01ec49eeaff064c6cd9 [INFO] running `Command { std: "docker" "start" "-a" "bce09a50af759a24206dc2dcda620d4d3034b5f2d077c01ec49eeaff064c6cd9", kill_on_drop: false }` [INFO] [stderr] error: failed to download `bytes v1.0.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] unable to get packages from source [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to unpack package `bytes v1.0.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to create directory `/opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/bytes-1.0.1` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] Read-only file system (os error 30) [INFO] running `Command { std: "docker" "inspect" "bce09a50af759a24206dc2dcda620d4d3034b5f2d077c01ec49eeaff064c6cd9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bce09a50af759a24206dc2dcda620d4d3034b5f2d077c01ec49eeaff064c6cd9", kill_on_drop: false }` [INFO] [stdout] bce09a50af759a24206dc2dcda620d4d3034b5f2d077c01ec49eeaff064c6cd9