[INFO] cloning repository https://github.com/modulitos/programming-rust-book
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/modulitos/programming-rust-book" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fprogramming-rust-book", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fprogramming-rust-book'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1df18938c89c4f63579528fb8fddba6a20ae2082
[INFO] testing modulitos/programming-rust-book against master#1ddedbaa5919b7b3e70d984660e21e844c615c97 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fprogramming-rust-book" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modulitos/programming-rust-book on toolchain 1ddedbaa5919b7b3e70d984660e21e844c615c97
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/modulitos/programming-rust-book
[INFO] finished tweaking git repo https://github.com/modulitos/programming-rust-book
[INFO] tweaked toml for git repo https://github.com/modulitos/programming-rust-book written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/modulitos/programming-rust-book 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" "+1ddedbaa5919b7b3e70d984660e21e844c615c97" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[ERROR] this task or one of its parent failed!
[ERROR] no output for 300 seconds
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.
[INFO] testing modulitos/programming-rust-book against try#33f1d8bb92813a1bfc23c093c9f443ab09290307 for pr-128400
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmodulitos%2Fprogramming-rust-book" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/modulitos/programming-rust-book on toolchain 33f1d8bb92813a1bfc23c093c9f443ab09290307
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/modulitos/programming-rust-book
[INFO] finished tweaking git repo https://github.com/modulitos/programming-rust-book
[INFO] tweaked toml for git repo https://github.com/modulitos/programming-rust-book written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/modulitos/programming-rust-book 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" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4fce9b953f343479514dc24ac601fdeaf961fd328d81a9ac5aa2b654434172a3
[INFO] running `Command { std: "docker" "start" "-a" "4fce9b953f343479514dc24ac601fdeaf961fd328d81a9ac5aa2b654434172a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4fce9b953f343479514dc24ac601fdeaf961fd328d81a9ac5aa2b654434172a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4fce9b953f343479514dc24ac601fdeaf961fd328d81a9ac5aa2b654434172a3", kill_on_drop: false }`
[INFO] [stdout] 4fce9b953f343479514dc24ac601fdeaf961fd328d81a9ac5aa2b654434172a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5b70596afc32e91a52869c6280e6e1e95757262d45daca33bdebece6a7fa78d
[INFO] running `Command { std: "docker" "start" "-a" "e5b70596afc32e91a52869c6280e6e1e95757262d45daca33bdebece6a7fa78d", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> src/ch_11.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let words: Vec<String> = line
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Spliceable` is never used
[INFO] [stdout]  --> src/ch_11.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Spliceable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CherryTree` is never constructed
[INFO] [stdout]  --> src/ch_11.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct CherryTree {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mammoth` is never constructed
[INFO] [stdout]   --> src/ch_11.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Mammoth {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MegaSpliceable` is never used
[INFO] [stdout]   --> src/ch_11.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait MegaSpliceable {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fqmc` is never used
[INFO] [stdout]   --> src/ch_11.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn test_fqmc() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump` is never used
[INFO] [stdout]   --> src/ch_11.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn dump<I>(iter: I)
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pattern` is never used
[INFO] [stdout]   --> src/ch_11.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Pattern {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rand` is never used
[INFO] [stdout]    --> src/ch_11.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Rand: Sized {
[INFO] [stdout]     |           ---- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn rand<R: Rng>(rng: &mut R) -> Self;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeRng` is never constructed
[INFO] [stdout]    --> src/ch_11.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct SomeRng {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] running `Command { std: "docker" "inspect" "e5b70596afc32e91a52869c6280e6e1e95757262d45daca33bdebece6a7fa78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5b70596afc32e91a52869c6280e6e1e95757262d45daca33bdebece6a7fa78d", kill_on_drop: false }`
[INFO] [stdout] e5b70596afc32e91a52869c6280e6e1e95757262d45daca33bdebece6a7fa78d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 95e30077c0128b224dd1e3c60c062535069497727aae18b09ecee1c6d8091385
[INFO] running `Command { std: "docker" "start" "-a" "95e30077c0128b224dd1e3c60c062535069497727aae18b09ecee1c6d8091385", kill_on_drop: false }`
[INFO] [stderr]    Compiling programming_rust_book v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:11:22
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:20:22
[INFO] [stdout]    |
[INFO] [stdout] 20 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:37:22
[INFO] [stdout]    |
[INFO] [stdout] 37 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `other`
[INFO] [stdout]   --> src/ch_11.rs:44:22
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stdout]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `words`
[INFO] [stdout]   --> src/ch_11.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     let words: Vec<String> = line
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Spliceable` is never used
[INFO] [stdout]  --> src/ch_11.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait Spliceable {
[INFO] [stdout]   |           ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CherryTree` is never constructed
[INFO] [stdout]  --> src/ch_11.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | struct CherryTree {}
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Mammoth` is never constructed
[INFO] [stdout]   --> src/ch_11.rs:17:8
[INFO] [stdout]    |
[INFO] [stdout] 17 | struct Mammoth {}
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MegaSpliceable` is never used
[INFO] [stdout]   --> src/ch_11.rs:32:11
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub trait MegaSpliceable {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `test_fqmc` is never used
[INFO] [stdout]   --> src/ch_11.rs:51:4
[INFO] [stdout]    |
[INFO] [stdout] 51 | fn test_fqmc() {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `dump` is never used
[INFO] [stdout]   --> src/ch_11.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn dump<I>(iter: I)
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Pattern` is never used
[INFO] [stdout]   --> src/ch_11.rs:88:7
[INFO] [stdout]    |
[INFO] [stdout] 88 | trait Pattern {
[INFO] [stdout]    |       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `rand` is never used
[INFO] [stdout]    --> src/ch_11.rs:131:8
[INFO] [stdout]     |
[INFO] [stdout] 126 | pub trait Rand: Sized {
[INFO] [stdout]     |           ---- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 131 |     fn rand<R: Rng>(rng: &mut R) -> Self;
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SomeRng` is never constructed
[INFO] [stdout]    --> src/ch_11.rs:136:8
[INFO] [stdout]     |
[INFO] [stdout] 136 | struct SomeRng {}
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 14 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.19s
[INFO] running `Command { std: "docker" "inspect" "95e30077c0128b224dd1e3c60c062535069497727aae18b09ecee1c6d8091385", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95e30077c0128b224dd1e3c60c062535069497727aae18b09ecee1c6d8091385", kill_on_drop: false }`
[INFO] [stdout] 95e30077c0128b224dd1e3c60c062535069497727aae18b09ecee1c6d8091385
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+33f1d8bb92813a1bfc23c093c9f443ab09290307" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 7a97310cf9a4b0baf4af68ba52427555d95d8bd31d5ed61accefc84cd486ae3c
[INFO] running `Command { std: "docker" "start" "-a" "7a97310cf9a4b0baf4af68ba52427555d95d8bd31d5ed61accefc84cd486ae3c", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/ch_11.rs:11:22
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/ch_11.rs:20:22
[INFO] [stderr]    |
[INFO] [stderr] 20 |     fn splice(&self, other: &Self) -> Self {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/ch_11.rs:37:22
[INFO] [stderr]    |
[INFO] [stderr] 37 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]   --> src/ch_11.rs:44:22
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn splice(&self, other: &dyn MegaSpliceable) -> Box<dyn MegaSpliceable> {
[INFO] [stderr]    |                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `words`
[INFO] [stderr]   --> src/ch_11.rs:53:9
[INFO] [stderr]    |
[INFO] [stderr] 53 |     let words: Vec<String> = line
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_words`
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Spliceable` is never used
[INFO] [stderr]  --> src/ch_11.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait Spliceable {
[INFO] [stderr]   |           ^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `CherryTree` is never constructed
[INFO] [stderr]  --> src/ch_11.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | struct CherryTree {}
[INFO] [stderr]   |        ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Mammoth` is never constructed
[INFO] [stderr]   --> src/ch_11.rs:17:8
[INFO] [stderr]    |
[INFO] [stderr] 17 | struct Mammoth {}
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `MegaSpliceable` is never used
[INFO] [stderr]   --> src/ch_11.rs:32:11
[INFO] [stderr]    |
[INFO] [stderr] 32 | pub trait MegaSpliceable {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `test_fqmc` is never used
[INFO] [stderr]   --> src/ch_11.rs:51:4
[INFO] [stderr]    |
[INFO] [stderr] 51 | fn test_fqmc() {
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `dump` is never used
[INFO] [stderr]   --> src/ch_11.rs:74:4
[INFO] [stderr]    |
[INFO] [stderr] 74 | fn dump<I>(iter: I)
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `Pattern` is never used
[INFO] [stderr]   --> src/ch_11.rs:88:7
[INFO] [stderr]    |
[INFO] [stderr] 88 | trait Pattern {
[INFO] [stderr]    |       ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `rand` is never used
[INFO] [stderr]    --> src/ch_11.rs:131:8
[INFO] [stderr]     |
[INFO] [stderr] 126 | pub trait Rand: Sized {
[INFO] [stderr]     |           ---- associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 131 |     fn rand<R: Rng>(rng: &mut R) -> Self;
[INFO] [stderr]     |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `SomeRng` is never constructed
[INFO] [stderr]    --> src/ch_11.rs:136:8
[INFO] [stderr]     |
[INFO] [stderr] 136 | struct SomeRng {}
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `programming_rust_book` (bin "programming_rust_book" test) generated 14 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/programming_rust_book-b9db99f008dfd2ba)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "7a97310cf9a4b0baf4af68ba52427555d95d8bd31d5ed61accefc84cd486ae3c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a97310cf9a4b0baf4af68ba52427555d95d8bd31d5ed61accefc84cd486ae3c", kill_on_drop: false }`
[INFO] [stdout] 7a97310cf9a4b0baf4af68ba52427555d95d8bd31d5ed61accefc84cd486ae3c