[INFO] fetching crate tester 0.9.0...
[INFO] checking tester-0.9.0 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate tester 0.9.0 into /workspace/builds/worker-112/source
[INFO] validating manifest of crates.io crate tester 0.9.0 on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate tester 0.9.0
[INFO] finished tweaking crates.io crate tester 0.9.0
[INFO] tweaked toml for crates.io crate tester 0.9.0 written to /workspace/builds/worker-112/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded term v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ef746161c5965d6c3ee83ff78e5facbaa9ef4f93ec7ab51975bbcda98b440362
[INFO] running `Command { std: "docker" "start" "-a" "ef746161c5965d6c3ee83ff78e5facbaa9ef4f93ec7ab51975bbcda98b440362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef746161c5965d6c3ee83ff78e5facbaa9ef4f93ec7ab51975bbcda98b440362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef746161c5965d6c3ee83ff78e5facbaa9ef4f93ec7ab51975bbcda98b440362", kill_on_drop: false }`
[INFO] [stdout] ef746161c5965d6c3ee83ff78e5facbaa9ef4f93ec7ab51975bbcda98b440362
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-112/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3e52cc96927094c01c49831650347c2fc0a1a35c82bc4946e467799544da4266
[INFO] running `Command { std: "docker" "start" "-a" "3e52cc96927094c01c49831650347c2fc0a1a35c82bc4946e467799544da4266", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking term v0.7.0
[INFO] [stderr]     Checking tester v0.9.0 (/opt/rustwide/workdir)
[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: `#[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] 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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.41s
[INFO] running `Command { std: "docker" "inspect" "3e52cc96927094c01c49831650347c2fc0a1a35c82bc4946e467799544da4266", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3e52cc96927094c01c49831650347c2fc0a1a35c82bc4946e467799544da4266", kill_on_drop: false }`
[INFO] [stdout] 3e52cc96927094c01c49831650347c2fc0a1a35c82bc4946e467799544da4266