[INFO] cloning repository https://github.com/htlsne/library-checker-answers [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/htlsne/library-checker-answers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] de084aa31e58cb04a3570ce0777a712fb9ff6779 [INFO] testing htlsne/library-checker-answers against try#17092ad00ed8fe1e7f81a7e38238ff70779034b1 for pr-140985 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhtlsne%2Flibrary-checker-answers" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/htlsne/library-checker-answers on toolchain 17092ad00ed8fe1e7f81a7e38238ff70779034b1 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/htlsne/library-checker-answers [INFO] finished tweaking git repo https://github.com/htlsne/library-checker-answers [INFO] tweaked toml for git repo https://github.com/htlsne/library-checker-answers written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/htlsne/library-checker-answers 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" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 04b9f729ad5584ebbade1a4a8b0b6e5c972899a254d570c556b2045df3cd2197 [INFO] running `Command { std: "docker" "start" "-a" "04b9f729ad5584ebbade1a4a8b0b6e5c972899a254d570c556b2045df3cd2197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "04b9f729ad5584ebbade1a4a8b0b6e5c972899a254d570c556b2045df3cd2197", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "04b9f729ad5584ebbade1a4a8b0b6e5c972899a254d570c556b2045df3cd2197", kill_on_drop: false }` [INFO] [stdout] 04b9f729ad5584ebbade1a4a8b0b6e5c972899a254d570c556b2045df3cd2197 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2aef500dba57c53b56be7a8271fa92b31fab84808a3a89af554c3374414efaaa [INFO] running `Command { std: "docker" "start" "-a" "2aef500dba57c53b56be7a8271fa92b31fab84808a3a89af554c3374414efaaa", kill_on_drop: false }` [INFO] [stderr] Compiling library-checker-answers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/bin/template.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let $single_tt_pat = $crate::read!(from $scanner { $readable }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next_vec` and `chars` are never used [INFO] [stdout] --> src/bin/associative_array.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 42 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `usize1` is never used [INFO] [stdout] --> src/bin/template.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bytes` is never used [INFO] [stdout] --> src/bin/template.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `call_once_from_reader` is never used [INFO] [stdout] --> src/bin/template.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub trait FnOnceExt { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 126 | type Output; [INFO] [stdout] 127 | fn call_once_from_reader(this: Self, scanner: &mut Scanner) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next_vec` and `chars` are never used [INFO] [stdout] --> src/bin/many_aplusb.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `usize1` is never used [INFO] [stdout] --> src/bin/unionfind.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bytes` is never used [INFO] [stdout] --> src/bin/unionfind.rs:227:12 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `call_once_from_reader` is never used [INFO] [stdout] --> src/bin/unionfind.rs:234:12 [INFO] [stdout] | [INFO] [stdout] 232 | pub trait FnOnceExt { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 233 | type Output; [INFO] [stdout] 234 | fn call_once_from_reader(this: Self, scanner: &mut Scanner) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.38s [INFO] running `Command { std: "docker" "inspect" "2aef500dba57c53b56be7a8271fa92b31fab84808a3a89af554c3374414efaaa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2aef500dba57c53b56be7a8271fa92b31fab84808a3a89af554c3374414efaaa", kill_on_drop: false }` [INFO] [stdout] 2aef500dba57c53b56be7a8271fa92b31fab84808a3a89af554c3374414efaaa [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 73af78515ac7056844931225960a9bfc00c0f06f0184dd56025e7f043fbad93c [INFO] running `Command { std: "docker" "start" "-a" "73af78515ac7056844931225960a9bfc00c0f06f0184dd56025e7f043fbad93c", kill_on_drop: false }` [INFO] [stderr] Compiling library-checker-answers v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: methods `next_vec` and `chars` are never used [INFO] [stdout] --> src/bin/many_aplusb.rs:42:16 [INFO] [stdout] | [INFO] [stdout] 27 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 42 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 54 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `n` [INFO] [stdout] --> src/bin/template.rs:62:17 [INFO] [stdout] | [INFO] [stdout] 62 | let $single_tt_pat = $crate::read!(from $scanner { $readable }); [INFO] [stdout] | ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_n` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `next_vec` and `chars` are never used [INFO] [stdout] --> src/bin/associative_array.rs:57:16 [INFO] [stdout] | [INFO] [stdout] 42 | impl<'a> Scanner<'a> { [INFO] [stdout] | -------------------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 57 | pub fn next_vec(&mut self, n: usize) -> Vec [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 69 | pub fn chars(&mut self) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `usize1` is never used [INFO] [stdout] --> src/bin/template.rs:115:12 [INFO] [stdout] | [INFO] [stdout] 115 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bytes` is never used [INFO] [stdout] --> src/bin/template.rs:120:12 [INFO] [stdout] | [INFO] [stdout] 120 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `call_once_from_reader` is never used [INFO] [stdout] --> src/bin/template.rs:127:12 [INFO] [stdout] | [INFO] [stdout] 125 | pub trait FnOnceExt { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 126 | type Output; [INFO] [stdout] 127 | fn call_once_from_reader(this: Self, scanner: &mut Scanner) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `usize1` is never used [INFO] [stdout] --> src/bin/unionfind.rs:222:12 [INFO] [stdout] | [INFO] [stdout] 222 | pub fn usize1(n: usize) -> usize { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `bytes` is never used [INFO] [stdout] --> src/bin/unionfind.rs:227:12 [INFO] [stdout] | [INFO] [stdout] 227 | pub fn bytes(s: String) -> Vec { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `call_once_from_reader` is never used [INFO] [stdout] --> src/bin/unionfind.rs:234:12 [INFO] [stdout] | [INFO] [stdout] 232 | pub trait FnOnceExt { [INFO] [stdout] | --------- associated function in this trait [INFO] [stdout] 233 | type Output; [INFO] [stdout] 234 | fn call_once_from_reader(this: Self, scanner: &mut Scanner) -> Self::Output; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.23s [INFO] running `Command { std: "docker" "inspect" "73af78515ac7056844931225960a9bfc00c0f06f0184dd56025e7f043fbad93c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "73af78515ac7056844931225960a9bfc00c0f06f0184dd56025e7f043fbad93c", kill_on_drop: false }` [INFO] [stdout] 73af78515ac7056844931225960a9bfc00c0f06f0184dd56025e7f043fbad93c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:eea15d5475069c3ef791f10c2c6b5af2ee421ef2da1e680ecce1cba46243983b" "/opt/rustwide/cargo-home/bin/cargo" "+17092ad00ed8fe1e7f81a7e38238ff70779034b1" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] b795195b4527fc906c873777fdbb44677b30c2235aa63e99b609c7095fa699fd [INFO] running `Command { std: "docker" "start" "-a" "b795195b4527fc906c873777fdbb44677b30c2235aa63e99b609c7095fa699fd", 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/b54c7993807846cd2e1f7c3b7c2b2384d35d29640364586442bf8a434d36c64b/merged/opt/rustwide/cargo-home: no space left on device: unknown [INFO] running `Command { std: "docker" "inspect" "b795195b4527fc906c873777fdbb44677b30c2235aa63e99b609c7095fa699fd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b795195b4527fc906c873777fdbb44677b30c2235aa63e99b609c7095fa699fd", kill_on_drop: false }` [INFO] [stdout] b795195b4527fc906c873777fdbb44677b30c2235aa63e99b609c7095fa699fd