[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] fatal: write error: No space left on device [INFO] [stderr] fatal: fetch-pack: invalid index-pack output [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] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 824898a4ff76800a28499b4f7ce647e3ca553088 [INFO] checking keidarcy/rust-learn against master#a5db378dc14a40dd1580c27fb8362156446382c3 for pr-136490 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeidarcy%2Frust-learn" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/keidarcy/rust-learn on toolchain a5db378dc14a40dd1580c27fb8362156446382c3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "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-0-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" "+a5db378dc14a40dd1580c27fb8362156446382c3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fcb741f2bbbe5b685aac6b753534c4e0c5364f3feaf1d73da5129417c4d53f60 [INFO] running `Command { std: "docker" "start" "-a" "fcb741f2bbbe5b685aac6b753534c4e0c5364f3feaf1d73da5129417c4d53f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fcb741f2bbbe5b685aac6b753534c4e0c5364f3feaf1d73da5129417c4d53f60", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fcb741f2bbbe5b685aac6b753534c4e0c5364f3feaf1d73da5129417c4d53f60", kill_on_drop: false }` [INFO] [stdout] fcb741f2bbbe5b685aac6b753534c4e0c5364f3feaf1d73da5129417c4d53f60 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+a5db378dc14a40dd1580c27fb8362156446382c3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6263a59af2d8dc803bbb18bd46ca2c66e9e2c415eebbc72ba58a93128fc0a0ae [INFO] running `Command { std: "docker" "start" "-a" "6263a59af2d8dc803bbb18bd46ca2c66e9e2c415eebbc72ba58a93128fc0a0ae", kill_on_drop: false }` [INFO] [stderr] Checking 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] [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 0.10s [INFO] running `Command { std: "docker" "inspect" "6263a59af2d8dc803bbb18bd46ca2c66e9e2c415eebbc72ba58a93128fc0a0ae", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6263a59af2d8dc803bbb18bd46ca2c66e9e2c415eebbc72ba58a93128fc0a0ae", kill_on_drop: false }` [INFO] [stdout] 6263a59af2d8dc803bbb18bd46ca2c66e9e2c415eebbc72ba58a93128fc0a0ae