[INFO] fetching crate qwutils 0.3.1...
[INFO] checking qwutils-0.3.1 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate qwutils 0.3.1 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate qwutils 0.3.1 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate qwutils 0.3.1
[INFO] finished tweaking crates.io crate qwutils 0.3.1
[INFO] tweaked toml for crates.io crate qwutils 0.3.1 written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", 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] a80c243de5907553ea8377cc7beff09684504f58a353630554c17889894cccdb
[INFO] running `Command { std: "docker" "start" "-a" "a80c243de5907553ea8377cc7beff09684504f58a353630554c17889894cccdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a80c243de5907553ea8377cc7beff09684504f58a353630554c17889894cccdb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a80c243de5907553ea8377cc7beff09684504f58a353630554c17889894cccdb", kill_on_drop: false }`
[INFO] [stdout] a80c243de5907553ea8377cc7beff09684504f58a353630554c17889894cccdb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98442741b581ce5230aa16dfac4642f3a552e7f4d089a475e15c44068ab4bd12
[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" "98442741b581ce5230aa16dfac4642f3a552e7f4d089a475e15c44068ab4bd12", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking qwutils v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/imp/range.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/imp/range.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Sub;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/imp/numext.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Range`
[INFO] [stdout]  --> src/imp/range.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::ops::Range;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Sub`
[INFO] [stdout]  --> src/imp/range.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Sub;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]  --> src/imp/numext.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::*;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]   --> src/static_stor/mod.rs:30:17
[INFO] [stdout]    |
[INFO] [stdout] 30 |                 #[inline]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/static_stor/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | create_static_stor!(foo: Vec<u8>);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_attributes)]` on by default
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `lazy_static::lazy_static`
[INFO] [stdout]   --> src/static_stor/mod.rs:31:17
[INFO] [stdout]    |
[INFO] [stdout] 31 |                 lazy_static::lazy_static! {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/static_stor/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | create_static_stor!(foo: Vec<u8>);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `create_static_stor` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused attribute `inline`
[INFO] [stdout]   --> src/static_stor/mod.rs:47:17
[INFO] [stdout]    |
[INFO] [stdout] 47 |                 #[inline]
[INFO] [stdout]    |                 ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/static_stor/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | create_static_stor!(foo: Vec<u8>);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout] note: the built-in attribute `inline` will be ignored, since it's applied to the macro invocation `std::thread_local`
[INFO] [stdout]   --> src/static_stor/mod.rs:48:17
[INFO] [stdout]    |
[INFO] [stdout] 48 |                 std::thread_local! {
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: src/static_stor/test.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  | create_static_stor!(foo: Vec<u8>);
[INFO] [stdout]    | --------------------------------- in this macro invocation
[INFO] [stdout]    = note: this warning originates in the macro `create_static_stor` (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 2.63s
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "98442741b581ce5230aa16dfac4642f3a552e7f4d089a475e15c44068ab4bd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98442741b581ce5230aa16dfac4642f3a552e7f4d089a475e15c44068ab4bd12", kill_on_drop: false }`
[INFO] [stdout] 98442741b581ce5230aa16dfac4642f3a552e7f4d089a475e15c44068ab4bd12