[INFO] fetching crate def 1.0.0...
[INFO] checking def-1.0.0 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate def 1.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate def 1.0.0
[INFO] finished tweaking crates.io crate def 1.0.0
[INFO] tweaked toml for crates.io crate def 1.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate def 1.0.0 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate def 1.0.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d7a88b5422b25a29d4f6aa44ab841a1baafda35f2ab8f004f56303e3a006f3b9
[INFO] running `Command { std: "docker" "start" "-a" "d7a88b5422b25a29d4f6aa44ab841a1baafda35f2ab8f004f56303e3a006f3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7a88b5422b25a29d4f6aa44ab841a1baafda35f2ab8f004f56303e3a006f3b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7a88b5422b25a29d4f6aa44ab841a1baafda35f2ab8f004f56303e3a006f3b9", kill_on_drop: false }`
[INFO] [stdout] d7a88b5422b25a29d4f6aa44ab841a1baafda35f2ab8f004f56303e3a006f3b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2f0998a742080a4af841b8cb23b8049cc7e998a8362cead28907ba6c0726baf6
[INFO] running `Command { std: "docker" "start" "-a" "2f0998a742080a4af841b8cb23b8049cc7e998a8362cead28907ba6c0726baf6", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling libc v0.2.80
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling serde v1.0.117
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking serde_json v1.0.59
[INFO] [stderr]     Checking def v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/lib.rs:202:30
[INFO] [stdout]     |
[INFO] [stdout] 202 |             Err(e) => panic!(e),
[INFO] [stdout]     |                              ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[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: `#[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] 202 |             Err(e) => panic!("{}", e),
[INFO] [stdout]     |                              +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 202 -             Err(e) => panic!(e),
[INFO] [stdout] 202 +             Err(e) => std::panic::panic_any(e),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 10.92s
[INFO] running `Command { std: "docker" "inspect" "2f0998a742080a4af841b8cb23b8049cc7e998a8362cead28907ba6c0726baf6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f0998a742080a4af841b8cb23b8049cc7e998a8362cead28907ba6c0726baf6", kill_on_drop: false }`
[INFO] [stdout] 2f0998a742080a4af841b8cb23b8049cc7e998a8362cead28907ba6c0726baf6