[INFO] fetching crate casper-engine-test-support 0.7.6...
[INFO] checking casper-engine-test-support-0.7.6 against master#3e826bb11228508fbe749e594038d6727208aa94 for pr-82322
[INFO] extracting crate casper-engine-test-support 0.7.6 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate casper-engine-test-support 0.7.6 on toolchain 3e826bb11228508fbe749e594038d6727208aa94
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-engine-test-support 0.7.6
[INFO] finished tweaking crates.io crate casper-engine-test-support 0.7.6
[INFO] tweaked toml for crates.io crate casper-engine-test-support 0.7.6 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39c34ddd693172862bf27030aa47660821d0ff2940d4eb6422258fc69898b5e0
[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" "39c34ddd693172862bf27030aa47660821d0ff2940d4eb6422258fc69898b5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39c34ddd693172862bf27030aa47660821d0ff2940d4eb6422258fc69898b5e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39c34ddd693172862bf27030aa47660821d0ff2940d4eb6422258fc69898b5e0", kill_on_drop: false }`
[INFO] [stdout] 39c34ddd693172862bf27030aa47660821d0ff2940d4eb6422258fc69898b5e0
[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@sha256:21f1ed92105a0ef9b0d27ad8bdeb7f36f9f01ac17fffe3a3f3dc5241fc25d8f4" "/opt/rustwide/cargo-home/bin/cargo" "+3e826bb11228508fbe749e594038d6727208aa94" "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] a19fa37349d33458f3cdfa76038ef7d16ca06f3fb1fa3c10e0a95d916a3350d3
[INFO] running `Command { std: "docker" "start" "-a" "a19fa37349d33458f3cdfa76038ef7d16ca06f3fb1fa3c10e0a95d916a3350d3", kill_on_drop: false }`
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[INFO] [stderr]     Checking casper-engine-test-support v0.7.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/internal/wasm_test_builder.rs:423:17
[INFO] [stdout]     |
[INFO] [stdout] 423 |         panic! {query_result};
[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] 423 |         panic! {"{}", query_result};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 423 |         std::panic::panic_any(query_result};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/internal/wasm_test_builder.rs:423:17
[INFO] [stdout]     |
[INFO] [stdout] 423 |         panic! {query_result};
[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] 423 |         panic! {"{}", query_result};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 423 |         std::panic::panic_any(query_result};
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "a19fa37349d33458f3cdfa76038ef7d16ca06f3fb1fa3c10e0a95d916a3350d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a19fa37349d33458f3cdfa76038ef7d16ca06f3fb1fa3c10e0a95d916a3350d3", kill_on_drop: false }`
[INFO] [stdout] a19fa37349d33458f3cdfa76038ef7d16ca06f3fb1fa3c10e0a95d916a3350d3