[INFO] cloning repository https://github.com/jfgreen/hyperfreeze
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jfgreen/hyperfreeze" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8af8e46d0a9aa15607bc7256bb7eb6309cccfaaa
[INFO] testing jfgreen/hyperfreeze against try#7af779037716ae4125ceabb429791b4cf5dd0a43 for pr-136932
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjfgreen%2Fhyperfreeze" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jfgreen/hyperfreeze on toolchain 7af779037716ae4125ceabb429791b4cf5dd0a43
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jfgreen/hyperfreeze
[INFO] finished tweaking git repo https://github.com/jfgreen/hyperfreeze
[INFO] tweaked toml for git repo https://github.com/jfgreen/hyperfreeze written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/jfgreen/hyperfreeze 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" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e6d2ea74769fe9d17a1044443504e459c78f4ef9857739a356feb73a2b0c7139
[INFO] running `Command { std: "docker" "start" "-a" "e6d2ea74769fe9d17a1044443504e459c78f4ef9857739a356feb73a2b0c7139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e6d2ea74769fe9d17a1044443504e459c78f4ef9857739a356feb73a2b0c7139", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6d2ea74769fe9d17a1044443504e459c78f4ef9857739a356feb73a2b0c7139", kill_on_drop: false }`
[INFO] [stdout] e6d2ea74769fe9d17a1044443504e459c78f4ef9857739a356feb73a2b0c7139
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 342fa74c9ec1a5061571d1ee082227ba87ee1a9a2eca629268cd1a9fd0410a4d
[INFO] running `Command { std: "docker" "start" "-a" "342fa74c9ec1a5061571d1ee082227ba87ee1a9a2eca629268cd1a9fd0410a4d", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperfreeze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `List` is never constructed
[INFO] [stdout]   --> src/parse.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub enum Block {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] 30 |     Paragraph(Paragraph),
[INFO] [stdout] 31 |     List(Box<[ListItem]>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Block` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ReadPosition` is never constructed
[INFO] [stdout]  --> src/read.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct ReadPosition {
[INFO] [stdout]   |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReaderState` is never used
[INFO] [stdout]   --> src/read.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ReaderState {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Reader` is never constructed
[INFO] [stdout]   --> src/read.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Reader<'a> {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `advance`, `commit`, `rewind`, `current_char`, and `read_next` are never used
[INFO] [stdout]   --> src/read.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 27 | impl<'a> Reader<'a> {
[INFO] [stdout]    | ------------------- associated items in this implementation
[INFO] [stdout] 28 |     fn new(input: &'a str) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     fn advance(&mut self) {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn commit(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 62 |     fn rewind(&mut self) {
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 66 |     fn current_char(&self) -> Option<char> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn read_next(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ListBullet` is never constructed
[INFO] [stdout]   --> src/scan.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     ListBullet,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "342fa74c9ec1a5061571d1ee082227ba87ee1a9a2eca629268cd1a9fd0410a4d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "342fa74c9ec1a5061571d1ee082227ba87ee1a9a2eca629268cd1a9fd0410a4d", kill_on_drop: false }`
[INFO] [stdout] 342fa74c9ec1a5061571d1ee082227ba87ee1a9a2eca629268cd1a9fd0410a4d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd4883f7586998eab2ca3bc2a5927e23f057b007b6d16f8dd11b332f99250026
[INFO] running `Command { std: "docker" "start" "-a" "cd4883f7586998eab2ca3bc2a5927e23f057b007b6d16f8dd11b332f99250026", kill_on_drop: false }`
[INFO] [stderr]    Compiling hyperfreeze v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `emphasised_text` is never used
[INFO] [stdout]    --> src/parse.rs:481:8
[INFO] [stdout]     |
[INFO] [stdout] 481 |     fn emphasised_text(text: &str) -> TextRun {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strong_text` is never used
[INFO] [stdout]    --> src/parse.rs:488:8
[INFO] [stdout]     |
[INFO] [stdout] 488 |     fn strong_text(text: &str) -> TextRun {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `strikethrough_text` is never used
[INFO] [stdout]    --> src/parse.rs:495:8
[INFO] [stdout]     |
[INFO] [stdout] 495 |     fn strikethrough_text(text: &str) -> TextRun {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `raw_text` is never used
[INFO] [stdout]    --> src/parse.rs:502:8
[INFO] [stdout]     |
[INFO] [stdout] 502 |     fn raw_text(text: &str) -> TextRun {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ReaderState` is never used
[INFO] [stdout]   --> src/read.rs:13:6
[INFO] [stdout]    |
[INFO] [stdout] 13 | enum ReaderState {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `input` is never read
[INFO] [stdout]   --> src/read.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | struct Reader<'a> {
[INFO] [stdout]    |        ------ field in this struct
[INFO] [stdout] 21 |     input: &'a str,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ListBullet` is never constructed
[INFO] [stdout]   --> src/scan.rs:18:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Token<'a> {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 18 |     ListBullet,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Token` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.93s
[INFO] running `Command { std: "docker" "inspect" "cd4883f7586998eab2ca3bc2a5927e23f057b007b6d16f8dd11b332f99250026", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd4883f7586998eab2ca3bc2a5927e23f057b007b6d16f8dd11b332f99250026", kill_on_drop: false }`
[INFO] [stdout] cd4883f7586998eab2ca3bc2a5927e23f057b007b6d16f8dd11b332f99250026
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:3959728d45483eb673ba100a951a6b9f5012970368db2a9e08e0ac9b67c8a5ad" "/opt/rustwide/cargo-home/bin/cargo" "+7af779037716ae4125ceabb429791b4cf5dd0a43" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a9cc56e7d6b47823b65a1f3230897b00c4a3324491106d1adebb8a02edd2d37
[INFO] running `Command { std: "docker" "start" "-a" "7a9cc56e7d6b47823b65a1f3230897b00c4a3324491106d1adebb8a02edd2d37", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: failed to create task for container: failed to create shim task: OCI runtime create failed: runc create failed: unable to start container process: error during container init: error mounting "/var/lib/crater-agent-workspace/cargo-home" to rootfs at "/opt/rustwide/cargo-home": mkdir /var/lib/docker/overlay2/b90751f3ea56a862556a698327247725e1cc65b044421a76bf9cbf868c749a96/merged/opt/rustwide/cargo-home: no space left on device: unknown
[INFO] running `Command { std: "docker" "inspect" "7a9cc56e7d6b47823b65a1f3230897b00c4a3324491106d1adebb8a02edd2d37", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a9cc56e7d6b47823b65a1f3230897b00c4a3324491106d1adebb8a02edd2d37", kill_on_drop: false }`
[INFO] [stdout] 7a9cc56e7d6b47823b65a1f3230897b00c4a3324491106d1adebb8a02edd2d37