[INFO] fetching crate protobuf-codegen 2.22.0...
[INFO] checking protobuf-codegen-2.22.0 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate protobuf-codegen 2.22.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate protobuf-codegen 2.22.0 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate protobuf-codegen 2.22.0
[INFO] finished tweaking crates.io crate protobuf-codegen 2.22.0
[INFO] tweaked toml for crates.io crate protobuf-codegen 2.22.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate protobuf-codegen 2.22.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9d62fbb47bda79711de8bcc10a709dd889463fd7be3f1bdad1646cbe6a39e32
[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" "b9d62fbb47bda79711de8bcc10a709dd889463fd7be3f1bdad1646cbe6a39e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9d62fbb47bda79711de8bcc10a709dd889463fd7be3f1bdad1646cbe6a39e32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9d62fbb47bda79711de8bcc10a709dd889463fd7be3f1bdad1646cbe6a39e32", kill_on_drop: false }`
[INFO] [stdout] b9d62fbb47bda79711de8bcc10a709dd889463fd7be3f1bdad1646cbe6a39e32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 1a35d422e480cf6bbdca6813f2763d0512e2aae2191a5c46b3b23443ffda398a
[INFO] running `Command { std: "docker" "start" "-a" "1a35d422e480cf6bbdca6813f2763d0512e2aae2191a5c46b3b23443ffda398a", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.22.0
[INFO] [stderr]     Checking protobuf-codegen v2.22.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/protobuf_name.rs:248:59
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert!(path.is_empty() || path.starts_with("."), path);
[INFO] [stdout]     |                                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert!(path.is_empty() || path.starts_with("."), "{}", path);
[INFO] [stdout]     |                                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/protobuf_name.rs:249:39
[INFO] [stdout]     |
[INFO] [stdout] 249 |         assert!(!path.ends_with("."), path);
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 249 |         assert!(!path.ends_with("."), "{}", path);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/protobuf_name.rs:248:59
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert!(path.is_empty() || path.starts_with("."), path);
[INFO] [stdout]     |                                                           ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 248 |         assert!(path.is_empty() || path.starts_with("."), "{}", path);
[INFO] [stdout]     |                                                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/protobuf_name.rs:249:39
[INFO] [stdout]     |
[INFO] [stdout] 249 |         assert!(!path.ends_with("."), path);
[INFO] [stdout]     |                                       ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this is no longer accepted in Rust 2021
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]     |
[INFO] [stdout] 249 |         assert!(!path.ends_with("."), "{}", path);
[INFO] [stdout]     |                                       ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_reader`: Use Message::parse_from_reader instead
[INFO] [stdout]  --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use protobuf::parse_from_reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_reader`: Use Message::parse_from_reader instead
[INFO] [stdout]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut dyn Read).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_reader`: Use Message::parse_from_reader instead
[INFO] [stdout]  --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use protobuf::parse_from_reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `protobuf::parse_from_reader`: Use Message::parse_from_reader instead
[INFO] [stdout]   --> src/bin/protobuf-bin-gen-rust-do-not-use.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     let fds = parse_from_reader::<FileDescriptorSet>(&mut is as &mut dyn Read).unwrap();
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "1a35d422e480cf6bbdca6813f2763d0512e2aae2191a5c46b3b23443ffda398a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a35d422e480cf6bbdca6813f2763d0512e2aae2191a5c46b3b23443ffda398a", kill_on_drop: false }`
[INFO] [stdout] 1a35d422e480cf6bbdca6813f2763d0512e2aae2191a5c46b3b23443ffda398a