[INFO] updating cached repository https://github.com/killercup/rust-cheat-sheet [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d4705136cd5a38a459017f1168e0c0c411956a31 [INFO] testing killercup/rust-cheat-sheet against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkillercup%2Frust-cheat-sheet" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/killercup/rust-cheat-sheet on toolchain 8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/killercup/rust-cheat-sheet [INFO] finished tweaking git repo https://github.com/killercup/rust-cheat-sheet [INFO] tweaked toml for git repo https://github.com/killercup/rust-cheat-sheet written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/killercup/rust-cheat-sheet already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] a4ce5cff349d3ce609ddede94778854d4ec89693644a4fc88532f918e59421ac [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a4ce5cff349d3ce609ddede94778854d4ec89693644a4fc88532f918e59421ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a4ce5cff349d3ce609ddede94778854d4ec89693644a4fc88532f918e59421ac", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a4ce5cff349d3ce609ddede94778854d4ec89693644a4fc88532f918e59421ac", kill_on_drop: false }` [INFO] [stdout] a4ce5cff349d3ce609ddede94778854d4ec89693644a4fc88532f918e59421ac [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] e367a238ce0aecccef3eec5d50de8645e3243c469b6795653753c24905348540 [INFO] running `Command { std: "docker" "start" "-a" "e367a238ce0aecccef3eec5d50de8645e3243c469b6795653753c24905348540", kill_on_drop: false }` [INFO] [stderr] Compiling rust101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> cheat-sheet.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> cheat-sheet.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:70:22 [INFO] [stdout] | [INFO] [stdout] 70 | fn this_consumes(x: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> cheat-sheet.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.95s [INFO] running `Command { std: "docker" "inspect" "e367a238ce0aecccef3eec5d50de8645e3243c469b6795653753c24905348540", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "e367a238ce0aecccef3eec5d50de8645e3243c469b6795653753c24905348540", kill_on_drop: false }` [INFO] [stdout] e367a238ce0aecccef3eec5d50de8645e3243c469b6795653753c24905348540 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6c1bfa99eafcd47929f4f3709c806834c2cdb67296be943156a8c35cb7aa866a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "6c1bfa99eafcd47929f4f3709c806834c2cdb67296be943156a8c35cb7aa866a", kill_on_drop: false }` [INFO] [stderr] Compiling rust101 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable `y` is assigned to, but never used [INFO] [stdout] --> cheat-sheet.rs:11:9 [INFO] [stdout] | [INFO] [stdout] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stdout] | ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: consider using `_y` instead [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: value assigned to `y` is never read [INFO] [stdout] --> cheat-sheet.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_assignments)]` on by default [INFO] [stdout] = help: maybe it is overwritten before being read? [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `x` [INFO] [stdout] --> cheat-sheet.rs:70:22 [INFO] [stdout] | [INFO] [stdout] 70 | fn this_consumes(x: String) -> String { [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> cheat-sheet.rs:33:12 [INFO] [stdout] | [INFO] [stdout] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.85s [INFO] running `Command { std: "docker" "inspect" "6c1bfa99eafcd47929f4f3709c806834c2cdb67296be943156a8c35cb7aa866a", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6c1bfa99eafcd47929f4f3709c806834c2cdb67296be943156a8c35cb7aa866a", kill_on_drop: false }` [INFO] [stdout] 6c1bfa99eafcd47929f4f3709c806834c2cdb67296be943156a8c35cb7aa866a [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 361b1719afef7a0df1b3bb5df2bdbcf7197bdb5b0f5898ea1fe0f78fdae6024e [INFO] running `Command { std: "docker" "start" "-a" "361b1719afef7a0df1b3bb5df2bdbcf7197bdb5b0f5898ea1fe0f78fdae6024e", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> cheat-sheet.rs:10:9 [INFO] [stderr] | [INFO] [stderr] 10 | let x = 1; // `x` is now `1` (a 32bit integer, `i32`) [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable `y` is assigned to, but never used [INFO] [stderr] --> cheat-sheet.rs:11:9 [INFO] [stderr] | [INFO] [stderr] 11 | let mut y = 2; // A mutable binding: We can change this value [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: consider using `_y` instead [INFO] [stderr] [INFO] [stderr] warning: value assigned to `y` is never read [INFO] [stderr] --> cheat-sheet.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | y += 1; // Add 1 to `y`, making it 3 [INFO] [stderr] | ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_assignments)]` on by default [INFO] [stderr] = help: maybe it is overwritten before being read? [INFO] [stderr] [INFO] [stderr] warning: unused variable: `x` [INFO] [stderr] --> cheat-sheet.rs:70:22 [INFO] [stderr] | [INFO] [stderr] 70 | fn this_consumes(x: String) -> String { [INFO] [stderr] | ^ help: if this is intentional, prefix it with an underscore: `_x` [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `new` [INFO] [stderr] --> cheat-sheet.rs:33:12 [INFO] [stderr] | [INFO] [stderr] 33 | fn new(name: &str, age: u16) -> Person { [INFO] [stderr] | ^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 5 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.01s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/cheat_sheet-b6439a7ae757354b [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 [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "361b1719afef7a0df1b3bb5df2bdbcf7197bdb5b0f5898ea1fe0f78fdae6024e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "361b1719afef7a0df1b3bb5df2bdbcf7197bdb5b0f5898ea1fe0f78fdae6024e", kill_on_drop: false }` [INFO] [stdout] 361b1719afef7a0df1b3bb5df2bdbcf7197bdb5b0f5898ea1fe0f78fdae6024e