[INFO] fetching crate welle 0.1.0... [INFO] testing welle-0.1.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-8 [INFO] extracting crate welle 0.1.0 into /workspace/builds/worker-6-tc2/source [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-6-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate welle 0.1.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 210 packages to latest compatible versions [INFO] [stderr] Adding futures v0.1.31 (available: v0.3.31) [INFO] [stderr] Adding http v0.1.21 (available: v1.3.1) [INFO] [stderr] Adding reqwest v0.9.24 (available: v0.12.24) [INFO] [stderr] Adding structopt v0.2.18 (available: v0.3.26) [INFO] [stderr] Adding tokio v0.1.22 (available: v1.48.0) [INFO] [stderr] Adding wasi v0.10.0+wasi-snapshot-preview1 (available: v0.10.2+wasi-snapshot-preview1) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--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-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 7d5d1228e917511e21092ebddd8ea893d59f1656d89df558cb31e4e9070c7c3f [INFO] running `Command { std: "docker" "start" "-a" "7d5d1228e917511e21092ebddd8ea893d59f1656d89df558cb31e4e9070c7c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7d5d1228e917511e21092ebddd8ea893d59f1656d89df558cb31e4e9070c7c3f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7d5d1228e917511e21092ebddd8ea893d59f1656d89df558cb31e4e9070c7c3f", kill_on_drop: false }` [INFO] [stdout] 7d5d1228e917511e21092ebddd8ea893d59f1656d89df558cb31e4e9070c7c3f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 99e4ec3fe2f6c3bcc43ea04eb021efce5fce06b4f3eccc8dd19212b3e0d9cb0b [INFO] running `Command { std: "docker" "start" "-a" "99e4ec3fe2f6c3bcc43ea04eb021efce5fce06b4f3eccc8dd19212b3e0d9cb0b", kill_on_drop: false }` [INFO] [stderr] Compiling yoke v0.8.1 [INFO] [stderr] Compiling syn v1.0.109 [INFO] [stderr] Compiling tokio-codec v0.1.2 [INFO] [stderr] Compiling proc-macro2 v0.4.30 [INFO] [stderr] Compiling serde v1.0.228 [INFO] [stderr] Compiling mio-uds v0.6.8 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling tokio-fs v0.1.7 [INFO] [stderr] Compiling zerovec v0.11.5 [INFO] [stderr] Compiling zerotrie v0.2.3 [INFO] [stderr] Compiling tokio-uds v0.2.7 [INFO] [stderr] Compiling tokio-udp v0.1.6 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling syn v0.15.44 [INFO] [stderr] Compiling tokio v0.1.22 [INFO] [stderr] Compiling vec_map v0.8.2 [INFO] [stderr] Compiling quote v0.6.13 [INFO] [stderr] Compiling hyper v0.12.36 [INFO] [stderr] Compiling ansi_term v0.12.1 [INFO] [stderr] Compiling tinystr v0.8.2 [INFO] [stderr] Compiling potential_utf v0.1.4 [INFO] [stderr] Compiling icu_locale_core v2.1.1 [INFO] [stderr] Compiling strsim v0.8.0 [INFO] [stderr] Compiling serde_urlencoded v0.5.5 [INFO] [stderr] Compiling icu_collections v2.1.1 [INFO] [stderr] Compiling clap v2.34.0 [INFO] [stderr] Compiling flate2 v1.1.5 [INFO] [stderr] Compiling uuid v0.7.4 [INFO] [stderr] Compiling icu_provider v2.1.1 [INFO] [stderr] Compiling icu_properties v2.1.1 [INFO] [stderr] Compiling icu_normalizer v2.1.1 [INFO] [stderr] Compiling synstructure v0.12.6 [INFO] [stderr] Compiling hyper-tls v0.3.2 [INFO] [stderr] Compiling failure_derive v0.1.8 [INFO] [stderr] Compiling idna_adapter v1.2.1 [INFO] [stderr] Compiling structopt-derive v0.2.18 [INFO] [stderr] Compiling idna v1.1.0 [INFO] [stderr] Compiling failure v0.1.8 [INFO] [stderr] Compiling url v2.5.7 [INFO] [stderr] Compiling structopt v0.2.18 [INFO] [stderr] Compiling publicsuffix v1.5.6 [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 `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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = writeln!(f, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 213 | let _ = writeln!(f, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 214 | let _ = writeln!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 33.59s [INFO] running `Command { std: "docker" "inspect" "99e4ec3fe2f6c3bcc43ea04eb021efce5fce06b4f3eccc8dd19212b3e0d9cb0b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "99e4ec3fe2f6c3bcc43ea04eb021efce5fce06b4f3eccc8dd19212b3e0d9cb0b", kill_on_drop: false }` [INFO] [stdout] 99e4ec3fe2f6c3bcc43ea04eb021efce5fce06b4f3eccc8dd19212b3e0d9cb0b [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b1d35b1149ff66fca97fb20cb991524e458f1dc647c57e37b04d28ed6e0bbafb [INFO] running `Command { std: "docker" "start" "-a" "b1d35b1149ff66fca97fb20cb991524e458f1dc647c57e37b04d28ed6e0bbafb", kill_on_drop: false }` [INFO] [stderr] Compiling welle v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused `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: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 204 | let _ = writeln!(f, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 213 | let _ = writeln!(f, ""); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 214 | let _ = writeln!( [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "b1d35b1149ff66fca97fb20cb991524e458f1dc647c57e37b04d28ed6e0bbafb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b1d35b1149ff66fca97fb20cb991524e458f1dc647c57e37b04d28ed6e0bbafb", kill_on_drop: false }` [INFO] [stdout] b1d35b1149ff66fca97fb20cb991524e458f1dc647c57e37b04d28ed6e0bbafb [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 1805eec408889243ea87bfdf86e740db10b8d7a2a78818a8cadb8b8d10bf4990 [INFO] running `Command { std: "docker" "start" "-a" "1805eec408889243ea87bfdf86e740db10b8d7a2a78818a8cadb8b8d10bf4990", kill_on_drop: false }` [INFO] [stderr] warning: unused `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: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 204 | let _ = writeln!(f, ""); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 213 | let _ = writeln!(f, ""); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `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] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 214 | let _ = writeln!( [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `welle` (bin "welle" test) generated 3 warnings [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.28s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/welle-012a02041d3ca349) [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; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1805eec408889243ea87bfdf86e740db10b8d7a2a78818a8cadb8b8d10bf4990", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1805eec408889243ea87bfdf86e740db10b8d7a2a78818a8cadb8b8d10bf4990", kill_on_drop: false }` [INFO] [stdout] 1805eec408889243ea87bfdf86e740db10b8d7a2a78818a8cadb8b8d10bf4990