[INFO] updating cached repository https://github.com/padenot/trace-filtering [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] a6b5a4d1c4bc30b18ba44d5cc16ad2d04e4548bc [INFO] testing padenot/trace-filtering against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpadenot%2Ftrace-filtering" "/workspace/builds/worker-7/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/padenot/trace-filtering on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/padenot/trace-filtering [INFO] finished tweaking git repo https://github.com/padenot/trace-filtering [INFO] tweaked toml for git repo https://github.com/padenot/trace-filtering written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/padenot/trace-filtering already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 659ea009f11b685f1740c2c3051639b2bb1084f5df14fa63bcd0f700d7204d4a [INFO] running `"docker" "start" "-a" "659ea009f11b685f1740c2c3051639b2bb1084f5df14fa63bcd0f700d7204d4a"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling proc-macro2 v0.4.19 [INFO] [stderr] Compiling serde_json v1.0.32 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.8 [INFO] [stderr] Compiling serde_derive v1.0.79 [INFO] [stderr] Compiling trace-filtering v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut f = File::open("trace.log.child-1").expect("file not found"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 28.06s [INFO] running `"docker" "inspect" "659ea009f11b685f1740c2c3051639b2bb1084f5df14fa63bcd0f700d7204d4a"` [INFO] running `"docker" "rm" "-f" "659ea009f11b685f1740c2c3051639b2bb1084f5df14fa63bcd0f700d7204d4a"` [INFO] [stdout] 659ea009f11b685f1740c2c3051639b2bb1084f5df14fa63bcd0f700d7204d4a [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9da24da1c9353daa0ea9a84e7c262b555bf2906af1c47067f7ba98b792d61e05 [INFO] running `"docker" "start" "-a" "9da24da1c9353daa0ea9a84e7c262b555bf2906af1c47067f7ba98b792d61e05"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling trace-filtering v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut f = File::open("trace.log.child-1").expect("file not found"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 1.04s [INFO] running `"docker" "inspect" "9da24da1c9353daa0ea9a84e7c262b555bf2906af1c47067f7ba98b792d61e05"` [INFO] running `"docker" "rm" "-f" "9da24da1c9353daa0ea9a84e7c262b555bf2906af1c47067f7ba98b792d61e05"` [INFO] [stdout] 9da24da1c9353daa0ea9a84e7c262b555bf2906af1c47067f7ba98b792d61e05 [INFO] running `"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=warn" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 651218c7f701bfc160fa26f3c0cb98648a2e73e20da7f11826352297682e7fcc [INFO] running `"docker" "start" "-a" "651218c7f701bfc160fa26f3c0cb98648a2e73e20da7f11826352297682e7fcc"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] warning: unused import: `std::io::Read` [INFO] [stderr] --> src/main.rs:7:5 [INFO] [stderr] | [INFO] [stderr] 7 | use std::io::Read; [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `duration` [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_duration` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:27:9 [INFO] [stderr] | [INFO] [stderr] 27 | let mut f = File::open("trace.log.child-1").expect("file not found"); [INFO] [stderr] | ----^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/main.rs:33:9 [INFO] [stderr] | [INFO] [stderr] 33 | let mut duration = 0; [INFO] [stderr] | ----^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: 4 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.07s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/trace_filtering-35165a6bbd6b5b5f [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 `"docker" "inspect" "651218c7f701bfc160fa26f3c0cb98648a2e73e20da7f11826352297682e7fcc"` [INFO] running `"docker" "rm" "-f" "651218c7f701bfc160fa26f3c0cb98648a2e73e20da7f11826352297682e7fcc"` [INFO] [stdout] 651218c7f701bfc160fa26f3c0cb98648a2e73e20da7f11826352297682e7fcc