[INFO] fetching crate minidl 0.1.1...
[INFO] checking minidl-0.1.1 against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] extracting crate minidl 0.1.1 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate minidl 0.1.1 on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate minidl 0.1.1
[INFO] finished tweaking crates.io crate minidl 0.1.1
[INFO] tweaked toml for crates.io crate minidl 0.1.1 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83950cc0efd9c58dba00db16976aca7457c5d42365847efbe1ab573ace15cbda
[INFO] running `Command { std: "docker" "start" "-a" "83950cc0efd9c58dba00db16976aca7457c5d42365847efbe1ab573ace15cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83950cc0efd9c58dba00db16976aca7457c5d42365847efbe1ab573ace15cbda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83950cc0efd9c58dba00db16976aca7457c5d42365847efbe1ab573ace15cbda", kill_on_drop: false }`
[INFO] [stdout] 83950cc0efd9c58dba00db16976aca7457c5d42365847efbe1ab573ace15cbda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 969526e24248dc75a27fc977ad6a1a8e1752e997bb6415544f9f10185d38af84
[INFO] running `Command { std: "docker" "start" "-a" "969526e24248dc75a27fc977ad6a1a8e1752e997bb6415544f9f10185d38af84", kill_on_drop: false }`
[INFO] [stderr]     Checking minidl v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/libc.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 |     assert!(e.contains("does_not_exist_invalid"), e);
[INFO] [stdout]    |                                                   ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_fmt_panics)]` on by default
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 38 |     assert!(e.contains("does_not_exist_invalid"), "{}", e);
[INFO] [stdout]    |                                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/libc.rs:44:46
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(!e.contains("invalid_optional"), e);
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 44 |     assert!(!e.contains("invalid_optional"), "{}", e);
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> tests/libc.rs:45:46
[INFO] [stdout]    |
[INFO] [stdout] 45 |     assert!( e.contains("invalid_required"), e);
[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/nightly/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to Display the message
[INFO] [stdout]    |
[INFO] [stdout] 45 |     assert!( e.contains("invalid_required"), "{}", e);
[INFO] [stdout]    |                                              ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "969526e24248dc75a27fc977ad6a1a8e1752e997bb6415544f9f10185d38af84", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "969526e24248dc75a27fc977ad6a1a8e1752e997bb6415544f9f10185d38af84", kill_on_drop: false }`
[INFO] [stdout] 969526e24248dc75a27fc977ad6a1a8e1752e997bb6415544f9f10185d38af84