[INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 1) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/pre-push.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn/hooks/pre-push.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 2) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] error: copy-fd: write returned: No space left on device [INFO] [stderr] fatal: cannot copy '/usr/share/git-core/templates/hooks/push-to-checkout.sample' to '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn/hooks/push-to-checkout.sample': No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 3) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 4) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 5) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 6) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 7) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 8) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 9) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 10) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 11) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 12) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] [stderr] /workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn: No space left on device [WARN] Retrying crate fetch in 3 seconds (attempt 13) [INFO] cloning repository https://github.com/keidarcy/rust-learn [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keidarcy/rust-learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 824898a4ff76800a28499b4f7ce647e3ca553088 [INFO] testing keidarcy/rust-learn against master#9e136a30a965bf4e63f03095c57df7257bf96fd6 for pr-134530 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/keidarcy/rust-learn on toolchain 9e136a30a965bf4e63f03095c57df7257bf96fd6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/keidarcy/rust-learn [INFO] finished tweaking git repo https://github.com/keidarcy/rust-learn [INFO] tweaked toml for git repo https://github.com/keidarcy/rust-learn written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/keidarcy/rust-learn 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" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "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-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 5d0e49dcc9a92db5cf625ef7a5b8ae49ae2e72b9a97896688371322a148a2946 [INFO] running `Command { std: "docker" "start" "-a" "5d0e49dcc9a92db5cf625ef7a5b8ae49ae2e72b9a97896688371322a148a2946", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "5d0e49dcc9a92db5cf625ef7a5b8ae49ae2e72b9a97896688371322a148a2946", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5d0e49dcc9a92db5cf625ef7a5b8ae49ae2e72b9a97896688371322a148a2946", kill_on_drop: false }` [INFO] [stdout] 5d0e49dcc9a92db5cf625ef7a5b8ae49ae2e72b9a97896688371322a148a2946 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 8872b9c74634053ab3bfeb19132a17455c251161022853c78d6968a4cf7ec3b1 [INFO] running `Command { std: "docker" "start" "-a" "8872b9c74634053ab3bfeb19132a17455c251161022853c78d6968a4cf7ec3b1", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/debug.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/declaring.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/more_printing.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/mutability.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/reference.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/shadowing.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/debug.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | second_number + 9; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = second_number + 9; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.11s [INFO] running `Command { std: "docker" "inspect" "8872b9c74634053ab3bfeb19132a17455c251161022853c78d6968a4cf7ec3b1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8872b9c74634053ab3bfeb19132a17455c251161022853c78d6968a4cf7ec3b1", kill_on_drop: false }` [INFO] [stdout] 8872b9c74634053ab3bfeb19132a17455c251161022853c78d6968a4cf7ec3b1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a6ac3778013d20a86027d78469a8b1f7b4162fe8bfae35fc9031bf440d5e02ad [INFO] running `Command { std: "docker" "start" "-a" "a6ac3778013d20a86027d78469a8b1f7b4162fe8bfae35fc9031bf440d5e02ad", kill_on_drop: false }` [INFO] [stderr] Compiling rust-learn v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/debug.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/declaring.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/more_printing.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/mutability.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/print.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/reference.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `show` is never used [INFO] [stdout] --> src/shadowing.rs:1:8 [INFO] [stdout] | [INFO] [stdout] 1 | pub fn show() { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused arithmetic operation that must be used [INFO] [stdout] --> src/debug.rs:4:9 [INFO] [stdout] | [INFO] [stdout] 4 | second_number + 9; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 4 | let _ = second_number + 9; [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] running `Command { std: "docker" "inspect" "a6ac3778013d20a86027d78469a8b1f7b4162fe8bfae35fc9031bf440d5e02ad", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a6ac3778013d20a86027d78469a8b1f7b4162fe8bfae35fc9031bf440d5e02ad", kill_on_drop: false }` [INFO] [stdout] a6ac3778013d20a86027d78469a8b1f7b4162fe8bfae35fc9031bf440d5e02ad [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9e136a30a965bf4e63f03095c57df7257bf96fd6" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] cf9b717e84c11747a3af931c19e627a78c12d8c82c69c9fd3e2cffe7eb9f7a7f [INFO] running `Command { std: "docker" "start" "-a" "cf9b717e84c11747a3af931c19e627a78c12d8c82c69c9fd3e2cffe7eb9f7a7f", kill_on_drop: false }` [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/debug.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/declaring.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/more_printing.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/mutability.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/print.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/reference.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `show` is never used [INFO] [stderr] --> src/shadowing.rs:1:8 [INFO] [stderr] | [INFO] [stderr] 1 | pub fn show() { [INFO] [stderr] | ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused arithmetic operation that must be used [INFO] [stderr] --> src/debug.rs:4:9 [INFO] [stderr] | [INFO] [stderr] 4 | second_number + 9; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ the arithmetic operation produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 4 | let _ = second_number + 9; [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-learn` (bin "rust-learn" test) generated 8 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/rust_learn-c471ea60c1a84f51) [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" "cf9b717e84c11747a3af931c19e627a78c12d8c82c69c9fd3e2cffe7eb9f7a7f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cf9b717e84c11747a3af931c19e627a78c12d8c82c69c9fd3e2cffe7eb9f7a7f", kill_on_drop: false }` [INFO] [stdout] cf9b717e84c11747a3af931c19e627a78c12d8c82c69c9fd3e2cffe7eb9f7a7f