[INFO] fetching crate welle 0.1.0... [INFO] testing welle-0.1.0 against master#8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e for pr-74409 [INFO] extracting crate welle 0.1.0 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate welle 0.1.0 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 crates.io crate welle 0.1.0 [INFO] finished tweaking crates.io crate welle 0.1.0 [INFO] tweaked toml for crates.io crate welle 0.1.0 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8534be72fc3b9c5f2f2dc4e4ee7b651a008e9a3e" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] fc4a8bd39d3dcc798b53e95e8190da165817b6c829511a72f37765ab25adfffe [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" "fc4a8bd39d3dcc798b53e95e8190da165817b6c829511a72f37765ab25adfffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fc4a8bd39d3dcc798b53e95e8190da165817b6c829511a72f37765ab25adfffe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fc4a8bd39d3dcc798b53e95e8190da165817b6c829511a72f37765ab25adfffe", kill_on_drop: false }` [INFO] [stdout] fc4a8bd39d3dcc798b53e95e8190da165817b6c829511a72f37765ab25adfffe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stdout] 419825afe3889031fcba434d672e5776abc497dc2795b04c73f1eb5ec45f9b8e [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" "419825afe3889031fcba434d672e5776abc497dc2795b04c73f1eb5ec45f9b8e", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling regex-syntax v0.6.18 [INFO] [stderr] Compiling syn v1.0.35 [INFO] [stderr] Compiling iovec v0.1.4 [INFO] [stderr] Compiling num_cpus v1.13.0 [INFO] [stderr] Compiling net2 v0.2.34 [INFO] [stderr] Compiling parking_lot_core v0.6.2 [INFO] [stderr] Compiling time v0.1.43 [INFO] [stderr] Compiling openssl-sys v0.9.58 [INFO] [stderr] Compiling backtrace v0.3.50 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling flate2 v1.0.16 [INFO] [stderr] Compiling clap v2.33.1 [INFO] [stderr] Compiling bytes v0.4.12 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling tokio-threadpool v0.1.18 [INFO] [stderr] Compiling futures-cpupool v0.1.8 [INFO] [stderr] Compiling mio v0.6.22 [INFO] [stderr] Compiling parking_lot v0.9.0 [INFO] [stderr] Compiling cookie v0.12.0 [INFO] [stderr] Compiling openssl v0.10.30 [INFO] [stderr] Compiling tokio-io v0.1.13 [INFO] [stderr] Compiling http v0.1.21 [INFO] [stderr] Compiling tokio-buf v0.1.1 [INFO] [stderr] Compiling string v0.2.1 [INFO] [stderr] Compiling regex v1.3.9 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling tokio-reactor v0.1.12 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling tokio-tcp v0.1.4 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling publicsuffix v1.5.4 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling synstructure v0.12.4 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling http-body v0.1.0 [INFO] [stderr] Compiling h2 v0.1.26 [INFO] [stderr] Compiling native-tls v0.2.4 [INFO] [stderr] Compiling serde_derive v1.0.114 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling hyper v0.12.35 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling serde v1.0.114 [INFO] [stderr] Compiling serde_json v1.0.56 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling cookie_store v0.7.0 [INFO] [stderr] Compiling reqwest v0.9.24 [INFO] [stderr] Compiling welle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | writeln!(f, ""); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | writeln!(f, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | / writeln!( [INFO] [stdout] 215 | | f, [INFO] [stdout] 216 | | "Percentage of the requests served within a certain time:" [INFO] [stdout] 217 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 1m 35s [INFO] running `Command { std: "docker" "inspect" "419825afe3889031fcba434d672e5776abc497dc2795b04c73f1eb5ec45f9b8e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "419825afe3889031fcba434d672e5776abc497dc2795b04c73f1eb5ec45f9b8e", kill_on_drop: false }` [INFO] [stdout] 419825afe3889031fcba434d672e5776abc497dc2795b04c73f1eb5ec45f9b8e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] b2679842595e2dc59dbe21a95f71873692afc2466dcfd36c178cd050354ac995 [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" "b2679842595e2dc59dbe21a95f71873692afc2466dcfd36c178cd050354ac995", kill_on_drop: false }` [INFO] [stderr] Compiling welle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:204:9 [INFO] [stdout] | [INFO] [stdout] 204 | writeln!(f, ""); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:213:9 [INFO] [stdout] | [INFO] [stdout] 213 | writeln!(f, ""); [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:214:9 [INFO] [stdout] | [INFO] [stdout] 214 | / writeln!( [INFO] [stdout] 215 | | f, [INFO] [stdout] 216 | | "Percentage of the requests served within a certain time:" [INFO] [stdout] 217 | | ); [INFO] [stdout] | |__________^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.63s [INFO] running `Command { std: "docker" "inspect" "b2679842595e2dc59dbe21a95f71873692afc2466dcfd36c178cd050354ac995", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b2679842595e2dc59dbe21a95f71873692afc2466dcfd36c178cd050354ac995", kill_on_drop: false }` [INFO] [stdout] b2679842595e2dc59dbe21a95f71873692afc2466dcfd36c178cd050354ac995 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] ce33f7201b05d4c86280aa891849ae079f9eeab3954c8f70fa688e345bd3e63c [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" "ce33f7201b05d4c86280aa891849ae079f9eeab3954c8f70fa688e345bd3e63c", kill_on_drop: false }` [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:204:9 [INFO] [stderr] | [INFO] [stderr] 204 | writeln!(f, ""); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:213:9 [INFO] [stderr] | [INFO] [stderr] 213 | writeln!(f, ""); [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:214:9 [INFO] [stderr] | [INFO] [stderr] 214 | / writeln!( [INFO] [stderr] 215 | | f, [INFO] [stderr] 216 | | "Percentage of the requests served within a certain time:" [INFO] [stderr] 217 | | ); [INFO] [stderr] | |__________^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 3 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.08s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/welle-590ca1cd8dc1e796 [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" "ce33f7201b05d4c86280aa891849ae079f9eeab3954c8f70fa688e345bd3e63c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ce33f7201b05d4c86280aa891849ae079f9eeab3954c8f70fa688e345bd3e63c", kill_on_drop: false }` [INFO] [stdout] ce33f7201b05d4c86280aa891849ae079f9eeab3954c8f70fa688e345bd3e63c