[INFO] fetching crate urlqstring 0.3.5...
[INFO] building urlqstring-0.3.5 against try#d5c88c22807925c189328ef9d923c5d2b11a95b8+rustflags=-Zprofile-closures for pr-87066-3
[INFO] extracting crate urlqstring 0.3.5 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate urlqstring 0.3.5 on toolchain d5c88c22807925c189328ef9d923c5d2b11a95b8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate urlqstring 0.3.5
[INFO] finished tweaking crates.io crate urlqstring 0.3.5
[INFO] tweaked toml for crates.io crate urlqstring 0.3.5 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "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" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] df723dec80a5a21b8064e92f92ae7303ef214e12c975bf07e94055a9a91352c6
[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" "df723dec80a5a21b8064e92f92ae7303ef214e12c975bf07e94055a9a91352c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df723dec80a5a21b8064e92f92ae7303ef214e12c975bf07e94055a9a91352c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df723dec80a5a21b8064e92f92ae7303ef214e12c975bf07e94055a9a91352c6", kill_on_drop: false }`
[INFO] [stdout] df723dec80a5a21b8064e92f92ae7303ef214e12c975bf07e94055a9a91352c6
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51b675df82eb568d5900bcb98bf943c5f790b5b5d8fcd314c16b08029f1707b7
[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" "51b675df82eb568d5900bcb98bf943c5f790b5b5d8fcd314c16b08029f1707b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling urlqstring v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/querystring.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn next(&mut self) -> Option<Self::Item> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 278 |         self.next()
[INFO] [stdout]     |         ----------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (caed8304ddac875c, 47e7767cc9df283d), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (66fe02dcc9a33ada, 7336dbf369f34c94), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (4ac2623729af1625, ea47cd0f2ba38afa), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (483aa8ac482c6d87, b88ad5d790c8790f), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (b77eba5a0651d5e9, 49b616fa050d5ebc), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (4727022ca6aa51fb, 8ec3cd8663cdbd70), 0, 0
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.67s
[INFO] running `Command { std: "docker" "inspect" "51b675df82eb568d5900bcb98bf943c5f790b5b5d8fcd314c16b08029f1707b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51b675df82eb568d5900bcb98bf943c5f790b5b5d8fcd314c16b08029f1707b7", kill_on_drop: false }`
[INFO] [stdout] 51b675df82eb568d5900bcb98bf943c5f790b5b5d8fcd314c16b08029f1707b7
[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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Zprofile-closures" "-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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+d5c88c22807925c189328ef9d923c5d2b11a95b8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 63fc04a07246462af2fcf50de0ec4a1cff450210ca9138251fddbb8b3325eef3
[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" "63fc04a07246462af2fcf50de0ec4a1cff450210ca9138251fddbb8b3325eef3", kill_on_drop: false }`
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/querystring.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn next(&mut self) -> Option<Self::Item> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 278 |         self.next()
[INFO] [stdout]     |         ----------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (caed8304ddac875c, 47e7767cc9df283d), 8, 8
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (66fe02dcc9a33ada, 7336dbf369f34c94), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (4ac2623729af1625, ea47cd0f2ba38afa), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (483aa8ac482c6d87, b88ad5d790c8790f), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (b77eba5a0651d5e9, 49b616fa050d5ebc), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (4727022ca6aa51fb, 8ec3cd8663cdbd70), 0, 0
[INFO] [stderr]    Compiling urlqstring v0.3.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::querystring`
[INFO] [stdout]   --> src/lib.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     use super::querystring;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]   --> src/lib.rs:38:9
[INFO] [stdout]    |
[INFO] [stdout] 38 |     use std::collections::HashMap;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:105:13
[INFO] [stdout]     |
[INFO] [stdout] 105 |         let mut query_params = query_params;
[INFO] [stdout]     |             ----^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function cannot return without recursing
[INFO] [stdout]    --> src/querystring.rs:277:5
[INFO] [stdout]     |
[INFO] [stdout] 277 |     fn next(&mut self) -> Option<Self::Item> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
[INFO] [stdout] 278 |         self.next()
[INFO] [stdout]     |         ----------- recursive call site
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unconditional_recursion)]` on by default
[INFO] [stdout]     = help: a `loop` may express intention better if this is on purpose
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (9e57288428cabedb, 658d09aa5b54be04), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (2e1cee9fd4ecbd24, 47e89d61feaa6cb2), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (380924294d90a640, e24dfba3abe431e5), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (8ebdd7eb4b993bd0, 3c5bd5edb9b16588), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (6a59ff68c52e425e, f0fb0177917bf95b), 16, 16
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (e143becb79fbd271, 7800008171aef21e), 8, 8
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (e4436fd5d947e155, e4272bc4ae1b7e49), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (14b124f15bfd6355, 4ffd08a0d3a7ae05), 0, 0
[INFO] [stderr] SG_CR_Eslkdjf: urlqstring, (978d749a7757fa19, 3072f4c29a9ce8a3), 0, 0
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.70s
[INFO] running `Command { std: "docker" "inspect" "63fc04a07246462af2fcf50de0ec4a1cff450210ca9138251fddbb8b3325eef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "63fc04a07246462af2fcf50de0ec4a1cff450210ca9138251fddbb8b3325eef3", kill_on_drop: false }`
[INFO] [stdout] 63fc04a07246462af2fcf50de0ec4a1cff450210ca9138251fddbb8b3325eef3