[INFO] updating cached repository https://github.com/skade/htwg-scratchpad [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] e1144441bb210af318d7e23caf586938df7ce40a [INFO] testing skade/htwg-scratchpad against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskade%2Fhtwg-scratchpad" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/skade/htwg-scratchpad 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/skade/htwg-scratchpad [INFO] finished tweaking git repo https://github.com/skade/htwg-scratchpad [INFO] tweaked toml for git repo https://github.com/skade/htwg-scratchpad written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/skade/htwg-scratchpad 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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7e8e2cfe2b8b0fd4cbe41a385838e110dc2c968dc367cf9ed5fe366a4c7c437c [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" "7e8e2cfe2b8b0fd4cbe41a385838e110dc2c968dc367cf9ed5fe366a4c7c437c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7e8e2cfe2b8b0fd4cbe41a385838e110dc2c968dc367cf9ed5fe366a4c7c437c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7e8e2cfe2b8b0fd4cbe41a385838e110dc2c968dc367cf9ed5fe366a4c7c437c", kill_on_drop: false }` [INFO] [stdout] 7e8e2cfe2b8b0fd4cbe41a385838e110dc2c968dc367cf9ed5fe366a4c7c437c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/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] db626963063543e919571f4c9b879d66cbfee37ead00d50e63c3fa7be0dba941 [INFO] running `Command { std: "docker" "start" "-a" "db626963063543e919571f4c9b879d66cbfee37ead00d50e63c3fa7be0dba941", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.23 [INFO] [stderr] Compiling futures v0.1.13 [INFO] [stderr] Compiling slab v0.3.0 [INFO] [stderr] Compiling cfg-if v0.1.0 [INFO] [stderr] Compiling byteorder v1.0.0 [INFO] [stderr] Compiling log v0.3.7 [INFO] [stderr] Compiling lazycell v0.4.0 [INFO] [stderr] Compiling scoped-tls v0.1.0 [INFO] [stderr] Compiling iovec v0.1.0 [INFO] [stderr] Compiling net2 v0.2.29 [INFO] [stderr] Compiling num_cpus v1.4.0 [INFO] [stderr] Compiling bytes v0.4.3 [INFO] [stderr] Compiling mio v0.6.7 [INFO] [stderr] Compiling tokio-io v0.1.1 [INFO] [stderr] Compiling futures-cpupool v0.1.5 [INFO] [stderr] Compiling tokio-timer v0.1.1 [INFO] [stderr] Compiling tokio-core v0.1.7 [INFO] [stderr] Compiling htwg-scratchpad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 7.85s [INFO] running `Command { std: "docker" "inspect" "db626963063543e919571f4c9b879d66cbfee37ead00d50e63c3fa7be0dba941", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db626963063543e919571f4c9b879d66cbfee37ead00d50e63c3fa7be0dba941", kill_on_drop: false }` [INFO] [stdout] db626963063543e919571f4c9b879d66cbfee37ead00d50e63c3fa7be0dba941 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6b432acecc5be8614efc66af2985747420f7b9115264b9131c2489d53dd9ecb [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" "c6b432acecc5be8614efc66af2985747420f7b9115264b9131c2489d53dd9ecb", kill_on_drop: false }` [INFO] [stderr] Compiling htwg-scratchpad v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/bin/read_file.rs:48:5 [INFO] [stdout] | [INFO] [stdout] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `pass` [INFO] [stdout] --> src/bin/select.rs:20:9 [INFO] [stdout] | [INFO] [stdout] 20 | let pass = 900; [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.05s [INFO] running `Command { std: "docker" "inspect" "c6b432acecc5be8614efc66af2985747420f7b9115264b9131c2489d53dd9ecb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6b432acecc5be8614efc66af2985747420f7b9115264b9131c2489d53dd9ecb", kill_on_drop: false }` [INFO] [stdout] c6b432acecc5be8614efc66af2985747420f7b9115264b9131c2489d53dd9ecb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 5e6fdaa72205737b9295edfbd833289f2bb63e3440055874c404cd7c9f303dfc [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" "5e6fdaa72205737b9295edfbd833289f2bb63e3440055874c404cd7c9f303dfc", kill_on_drop: false }` [INFO] [stderr] warning: unused variable: `pass` [INFO] [stderr] --> src/bin/select.rs:20:9 [INFO] [stderr] | [INFO] [stderr] 20 | let pass = 900; [INFO] [stderr] | ^^^^ help: if this is intentional, prefix it with an underscore: `_pass` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/bin/read_file.rs:48:5 [INFO] [stderr] | [INFO] [stderr] 48 | cpu_pool.spawn(read_file).wait(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: 1 warning emitted [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stdout] running 0 tests [INFO] [stderr] Running /opt/rustwide/target/debug/deps/htwg_scratchpad-bcddeb597e9cbb07 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/and_then-3bff77d13122c7f5 [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [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] [stderr] Running /opt/rustwide/target/debug/deps/cpupool-d5aef77c98dfe291 [INFO] [stderr] Running /opt/rustwide/target/debug/deps/fork_join-9f697d213fa21ae3 [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] [stderr] Running /opt/rustwide/target/debug/deps/read_file-9b52524d3555f8d2 [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] [stderr] Running /opt/rustwide/target/debug/deps/select-0ca3bc769d5a35f8 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/select_combined-2166217fd33c564a [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] [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] [stderr] Running /opt/rustwide/target/debug/deps/select_tokio-895ecadad548e6e8 [INFO] [stdout] [INFO] [stderr] Running /opt/rustwide/target/debug/deps/tokio-6d403693e1188049 [INFO] [stdout] running 0 tests [INFO] [stderr] Doc-tests htwg-scratchpad [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [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] [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" "5e6fdaa72205737b9295edfbd833289f2bb63e3440055874c404cd7c9f303dfc", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5e6fdaa72205737b9295edfbd833289f2bb63e3440055874c404cd7c9f303dfc", kill_on_drop: false }` [INFO] [stdout] 5e6fdaa72205737b9295edfbd833289f2bb63e3440055874c404cd7c9f303dfc