[INFO] cloning repository https://github.com/shantanoo-desai/rust-by-example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shantanoo-desai/rust-by-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanoo-desai%2Frust-by-example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanoo-desai%2Frust-by-example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 510332e4912427b5f684f7ba492370b036fd209d [INFO] checking shantanoo-desai/rust-by-example against master#2a023bf80a6fbd6a06d5460a34eb247b986286ed for pr-143764 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshantanoo-desai%2Frust-by-example" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/shantanoo-desai/rust-by-example [INFO] finished tweaking git repo https://github.com/shantanoo-desai/rust-by-example [INFO] tweaked toml for git repo https://github.com/shantanoo-desai/rust-by-example written to /workspace/builds/worker-5-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/shantanoo-desai/rust-by-example on toolchain 2a023bf80a6fbd6a06d5460a34eb247b986286ed [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/shantanoo-desai/rust-by-example 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" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0a46e96e61c62047376bbdbf91675df3d6816822069dbbd1815f7e28fcf8542b [INFO] running `Command { std: "docker" "start" "-a" "0a46e96e61c62047376bbdbf91675df3d6816822069dbbd1815f7e28fcf8542b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0a46e96e61c62047376bbdbf91675df3d6816822069dbbd1815f7e28fcf8542b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0a46e96e61c62047376bbdbf91675df3d6816822069dbbd1815f7e28fcf8542b", kill_on_drop: false }` [INFO] [stdout] 0a46e96e61c62047376bbdbf91675df3d6816822069dbbd1815f7e28fcf8542b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+2a023bf80a6fbd6a06d5460a34eb247b986286ed" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8019f5dc53e02121b7fd36ae13edfa83c2e44b479cea2f6e6fa3aef7e9088165 [INFO] running `Command { std: "docker" "start" "-a" "8019f5dc53e02121b7fd36ae13edfa83c2e44b479cea2f6e6fa3aef7e9088165", kill_on_drop: false }` [INFO] [stderr] Checking rust-by-example v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | struct DebugPrintable(i32); [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DebugPrintable` 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: field `0` is never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | struct DeepStruct(DebugPrintable); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DeepStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/chapter3/structures.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:5:23 [INFO] [stdout] | [INFO] [stdout] 5 | struct DebugPrintable(i32); [INFO] [stdout] | -------------- ^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DebugPrintable` 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: field `0` is never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:9:19 [INFO] [stdout] | [INFO] [stdout] 9 | struct DeepStruct(DebugPrintable); [INFO] [stdout] | ---------- ^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this struct [INFO] [stdout] | [INFO] [stdout] = help: consider removing this field [INFO] [stdout] = note: `DeepStruct` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/chapter1/formatted_debug.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 12 | struct Person<'a> { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 13 | name: &'a str, [INFO] [stdout] | ^^^^ [INFO] [stdout] 14 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `name` and `age` are never read [INFO] [stdout] --> src/chapter3/structures.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | struct Person { [INFO] [stdout] | ------ fields in this struct [INFO] [stdout] 6 | name: String, [INFO] [stdout] | ^^^^ [INFO] [stdout] 7 | age: u8, [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Person` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: couldn't create a temp dir: No space left on device (os error 28) at path "/opt/rustwide/target/debug/deps/rmetas2CIft" [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not parse/generate dep info at: /opt/rustwide/target/debug/deps/rust_by_example-50aff96641a03169.d [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] failed to write `/opt/rustwide/target/debug/.fingerprint/rust-by-example-50aff96641a03169/dep-bin-rust-by-example` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] No space left on device (os error 28) [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: could not compile `rust-by-example` (bin "rust-by-example" test) due to 1 previous error; 4 warnings emitted [INFO] running `Command { std: "docker" "inspect" "8019f5dc53e02121b7fd36ae13edfa83c2e44b479cea2f6e6fa3aef7e9088165", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8019f5dc53e02121b7fd36ae13edfa83c2e44b479cea2f6e6fa3aef7e9088165", kill_on_drop: false }` [INFO] [stdout] 8019f5dc53e02121b7fd36ae13edfa83c2e44b479cea2f6e6fa3aef7e9088165