[INFO] fetching crate tester 0.9.1...
[INFO] checking tester-0.9.1 against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] extracting crate tester 0.9.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate tester 0.9.1 on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tester 0.9.1
[INFO] finished tweaking crates.io crate tester 0.9.1
[INFO] tweaked toml for crates.io crate tester 0.9.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 25 packages to latest compatible versions
[INFO] [stderr]       Adding hermit-abi v0.3.9 (latest: v0.4.0)
[INFO] [stderr]       Adding term v0.7.0 (latest: v1.0.0)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.2+wasi-0.2.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15cf252b6afe168e68f7ba6ca81b0f4e90d4b112d8a2d97ce7e92d28a3c79b9c
[INFO] running `Command { std: "docker" "start" "-a" "15cf252b6afe168e68f7ba6ca81b0f4e90d4b112d8a2d97ce7e92d28a3c79b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15cf252b6afe168e68f7ba6ca81b0f4e90d4b112d8a2d97ce7e92d28a3c79b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15cf252b6afe168e68f7ba6ca81b0f4e90d4b112d8a2d97ce7e92d28a3c79b9c", kill_on_drop: false }`
[INFO] [stdout] 15cf252b6afe168e68f7ba6ca81b0f4e90d4b112d8a2d97ce7e92d28a3c79b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 966a5e6a6114f7622427979b4ad1f12ea5f7f92a436d3e850c588ffe6fbb1c4b
[INFO] running `Command { std: "docker" "start" "-a" "966a5e6a6114f7622427979b4ad1f12ea5f7f92a436d3e850c588ffe6fbb1c4b", kill_on_drop: false }`
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking tester v0.9.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/lib.rs:53:51
[INFO] [stdout]    |
[INFO] [stdout] 53 |     panic::{self, catch_unwind, AssertUnwindSafe, PanicInfo},
[INFO] [stdout]    |                                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]    --> src/lib.rs:613:63
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let record_result = Arc::new(move |panic_info: Option<&'_ PanicInfo<'_>>| {
[INFO] [stdout]     |                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]   --> src/lib.rs:53:51
[INFO] [stdout]    |
[INFO] [stdout] 53 |     panic::{self, catch_unwind, AssertUnwindSafe, PanicInfo},
[INFO] [stdout]    |                                                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated type alias `std::panic::PanicInfo`: use `PanicHookInfo` instead
[INFO] [stdout]    --> src/lib.rs:613:63
[INFO] [stdout]     |
[INFO] [stdout] 613 |     let record_result = Arc::new(move |panic_info: Option<&'_ PanicInfo<'_>>| {
[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/tests.rs:202:16
[INFO] [stdout]     |
[INFO] [stdout] 202 |         panic!(1i32);
[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]     = note: `#[warn(non_fmt_panics)]` on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 202 |         panic!("{}", 1i32);
[INFO] [stdout]     |                +++++
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 202 |         std::panic::panic_any(1i32);
[INFO] [stdout]     |         ~~~~~~~~~~~~~~~~~~~~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "966a5e6a6114f7622427979b4ad1f12ea5f7f92a436d3e850c588ffe6fbb1c4b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "966a5e6a6114f7622427979b4ad1f12ea5f7f92a436d3e850c588ffe6fbb1c4b", kill_on_drop: false }`
[INFO] [stdout] 966a5e6a6114f7622427979b4ad1f12ea5f7f92a436d3e850c588ffe6fbb1c4b