[INFO] fetching crate redis-event 1.2.1...
[INFO] checking redis-event-1.2.1 against master#b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd for pr-155499
[INFO] extracting crate redis-event 1.2.1 into /workspace/builds/worker-5-tc1/source
[INFO] started tweaking crates.io crate redis-event 1.2.1
[INFO] finished tweaking crates.io crate redis-event 1.2.1
[INFO] tweaked toml for crates.io crate redis-event 1.2.1 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate redis-event 1.2.1 on toolchain b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "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" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 203 packages to latest compatible versions
[INFO] [stderr]       Adding num-bigint v0.2.6 (available: v0.4.6)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] [stderr]       Adding redis v0.17.0 (available: v1.2.0)
[INFO] [stderr]       Adding serial_test v0.3.2 (available: v3.4.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.6.3
[INFO] [stderr]   Downloaded net2 v0.2.39
[INFO] [stderr]   Downloaded serial_test_derive v0.3.2
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[INFO] [stderr]   Downloaded tokio-tls v0.3.1
[INFO] [stderr]   Downloaded openssl v0.10.78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6d88585ff16460cf01615be7b68c63f5a1b033332524791c5bdf9193c98a23fb
[INFO] running `Command { std: "docker" "start" "-a" "6d88585ff16460cf01615be7b68c63f5a1b033332524791c5bdf9193c98a23fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6d88585ff16460cf01615be7b68c63f5a1b033332524791c5bdf9193c98a23fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d88585ff16460cf01615be7b68c63f5a1b033332524791c5bdf9193c98a23fb", kill_on_drop: false }`
[INFO] [stdout] 6d88585ff16460cf01615be7b68c63f5a1b033332524791c5bdf9193c98a23fb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b2f1ccf524a3a4cf9c34545167cc23b659cf1cbd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a80259a39ea73a76ba0ca72fd7cc56c52e9f7b6ccaf73a46ee1951224fece2d
[INFO] running `Command { std: "docker" "start" "-a" "5a80259a39ea73a76ba0ca72fd7cc56c52e9f7b6ccaf73a46ee1951224fece2d", kill_on_drop: false }`
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling libc v0.2.185
[INFO] [stderr]     Checking pin-project-lite v0.2.17
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[INFO] [stderr]     Checking parking v2.2.1
[INFO] [stderr]     Checking bitflags v2.11.1
[INFO] [stderr]    Compiling cc v1.2.60
[INFO] [stderr]    Compiling pkg-config v0.3.33
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[INFO] [stderr]    Compiling displaydoc v0.2.5
[INFO] [stderr]    Compiling openssl-macros v0.1.1
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[INFO] [stderr]    Compiling async-trait v0.1.89
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[INFO] [stderr]     Checking zerofrom v0.1.7
[INFO] [stderr]     Checking thiserror v1.0.69
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[INFO] [stderr]     Checking zerotrie v0.2.4
[INFO] [stderr]     Checking tinystr v0.8.3
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[INFO] [stderr]     Checking redis-event v1.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking idna_adapter v1.2.1
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[INFO] [stdout] warning: value assigned to `meta` is never read
[INFO] [stdout]    --> src/rdb.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                     meta.db = _db;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/cmd/streams.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for arg in iter.next() {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to iterate over `iter` remove the call to `next`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     for arg in iter.next() {
[INFO] [stdout] 83 +     for arg in iter.by_ref() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 83 -     for arg in iter.next() {
[INFO] [stdout] 83 +     if let Some(arg) = iter.next() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/cmd/streams.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     for arg in iter.next() {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to iterate over `iter` remove the call to `next`
[INFO] [stdout]     |
[INFO] [stdout] 172 -     for arg in iter.next() {
[INFO] [stdout] 172 +     for arg in iter.by_ref() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 172 -     for arg in iter.next() {
[INFO] [stdout] 172 +     if let Some(arg) = iter.next() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn new(input: &mut dyn Read) -> CountReader {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn new(input: &mut dyn Read) -> CountReader<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking url v2.5.8
[INFO] [stderr]     Checking async-native-tls v0.3.3
[INFO] [stderr]     Checking redis v0.17.0
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/tests.rs:829:16
[INFO] [stdout]     |
[INFO] [stdout] 829 |         panic!(err);
[INFO] [stdout]     |                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 829 |         panic!("{}", err);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 829 -         panic!(err);
[INFO] [stdout] 829 +         std::panic::panic_any(err);
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> tests/tests.rs:868:16
[INFO] [stdout]     |
[INFO] [stdout] 868 |         panic!(error)
[INFO] [stdout]     |                ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 868 |         panic!("{}", error)
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 868 -         panic!(error)
[INFO] [stdout] 868 +         std::panic::panic_any(error)
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `meta` is never read
[INFO] [stdout]    --> src/rdb.rs:167:21
[INFO] [stdout]     |
[INFO] [stdout] 167 |                     meta.db = _db;
[INFO] [stdout]     |                     ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]   --> src/cmd/streams.rs:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |     for arg in iter.next() {
[INFO] [stdout]    |                ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(for_loops_over_fallibles)]` on by default
[INFO] [stdout] help: to iterate over `iter` remove the call to `next`
[INFO] [stdout]    |
[INFO] [stdout] 83 -     for arg in iter.next() {
[INFO] [stdout] 83 +     for arg in iter.by_ref() {
[INFO] [stdout]    |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]    |
[INFO] [stdout] 83 -     for arg in iter.next() {
[INFO] [stdout] 83 +     if let Some(arg) = iter.next() {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: for loop over an `Option`. This is more readably written as an `if let` statement
[INFO] [stdout]    --> src/cmd/streams.rs:172:16
[INFO] [stdout]     |
[INFO] [stdout] 172 |     for arg in iter.next() {
[INFO] [stdout]     |                ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout] help: to iterate over `iter` remove the call to `next`
[INFO] [stdout]     |
[INFO] [stdout] 172 -     for arg in iter.next() {
[INFO] [stdout] 172 +     for arg in iter.by_ref() {
[INFO] [stdout]     |
[INFO] [stdout] help: consider using `if let` to clear intent
[INFO] [stdout]     |
[INFO] [stdout] 172 -     for arg in iter.next() {
[INFO] [stdout] 172 +     if let Some(arg) = iter.next() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/io.rs:33:30
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn new(input: &mut dyn Read) -> CountReader {
[INFO] [stdout]    |                              ^^^^^^^^^^^^^     ^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                              |
[INFO] [stdout]    |                              the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub(crate) fn new(input: &mut dyn Read) -> CountReader<'_> {
[INFO] [stdout]    |                                                           ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/resp.rs:163:32
[INFO] [stdout]     |
[INFO] [stdout] 163 |             Err(err) => panic!(err),
[INFO] [stdout]     |                                ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 163 |             Err(err) => panic!("{}", err),
[INFO] [stdout]     |                                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 163 -             Err(err) => panic!(err),
[INFO] [stdout] 163 +             Err(err) => std::panic::panic_any(err),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `core::slice::<impl [T]>::contains` that must be used
[INFO] [stdout]    --> src/tests.rs:290:33
[INFO] [stdout]     |
[INFO] [stdout] 290 | ...                   vec.contains(&val.as_ref());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[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] 290 |                                 let _ = vec.contains(&val.as_ref());
[INFO] [stdout]     |                                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.83s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: redis v0.17.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "5a80259a39ea73a76ba0ca72fd7cc56c52e9f7b6ccaf73a46ee1951224fece2d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a80259a39ea73a76ba0ca72fd7cc56c52e9f7b6ccaf73a46ee1951224fece2d", kill_on_drop: false }`
[INFO] [stdout] 5a80259a39ea73a76ba0ca72fd7cc56c52e9f7b6ccaf73a46ee1951224fece2d
