[INFO] fetching crate casper-engine-test-support 1.0.0...
[INFO] checking casper-engine-test-support-1.0.0 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate casper-engine-test-support 1.0.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate casper-engine-test-support 1.0.0 on toolchain 4fa76a4a7742bb9c1febe33019f5a9e7e4839a65
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate casper-engine-test-support 1.0.0
[INFO] finished tweaking crates.io crate casper-engine-test-support 1.0.0
[INFO] tweaked toml for crates.io crate casper-engine-test-support 1.0.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f307c7018a58d0571ba1b23decca7545dc742475e51e2089a9f574f8b62104b5
[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" "f307c7018a58d0571ba1b23decca7545dc742475e51e2089a9f574f8b62104b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f307c7018a58d0571ba1b23decca7545dc742475e51e2089a9f574f8b62104b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f307c7018a58d0571ba1b23decca7545dc742475e51e2089a9f574f8b62104b5", kill_on_drop: false }`
[INFO] [stdout] f307c7018a58d0571ba1b23decca7545dc742475e51e2089a9f574f8b62104b5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "RUSTUP_TOOLCHAIN=4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "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] 87028c31ee0dba0969d8f699c790b6635087bf8e60d8f12e26b95d0ea92b4dd5
[INFO] running `Command { std: "docker" "start" "-a" "87028c31ee0dba0969d8f699c790b6635087bf8e60d8f12e26b95d0ea92b4dd5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]     Checking subtle v2.4.0
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[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking cpuid-bool v0.1.2
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[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking rustc-hex v2.1.0
[INFO] [stderr]     Checking dyn-clone v1.0.4
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling wee_alloc v0.4.5
[INFO] [stderr]     Checking memory_units v0.4.0
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[INFO] [stderr]    Compiling protobuf v2.8.2
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[INFO] [stderr]    Compiling datasize_derive v0.2.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling ctor v0.1.20
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]    Compiling displaydoc v0.1.7
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]     Checking ff v0.8.0
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[INFO] [stderr]    Compiling zeroize_derive v1.0.1
[INFO] [stderr]    Compiling schemars_derive v0.8.3
[INFO] [stderr]     Checking datasize v0.2.9
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[INFO] [stderr]     Checking num v0.3.1
[INFO] [stderr]     Checking pwasm-utils v0.16.0
[INFO] [stderr]     Checking version-sync v0.9.2
[INFO] [stderr]     Checking ecdsa v0.10.2
[INFO] [stderr]     Checking proptest v0.10.1
[INFO] [stderr]     Checking ed25519-dalek v1.0.1
[INFO] [stderr]     Checking k256 v0.7.3
[INFO] [stderr]     Checking casper-types v1.0.1
[INFO] [stderr]     Checking casper-contract v1.0.1
[INFO] [stderr]     Checking casper-execution-engine v1.0.1
[INFO] [stderr]     Checking casper-engine-test-support v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/internal/wasm_test_builder.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |         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] 430 |         panic! {"{}", query_result};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 430 |         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: panic message is not a string literal
[INFO] [stdout]    --> src/internal/wasm_test_builder.rs:430:17
[INFO] [stdout]     |
[INFO] [stdout] 430 |         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] 430 |         panic! {"{}", query_result};
[INFO] [stdout]     |                 ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 430 |         std::panic::panic_any(query_result);
[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 2m 28s
[INFO] running `Command { std: "docker" "inspect" "87028c31ee0dba0969d8f699c790b6635087bf8e60d8f12e26b95d0ea92b4dd5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87028c31ee0dba0969d8f699c790b6635087bf8e60d8f12e26b95d0ea92b4dd5", kill_on_drop: false }`
[INFO] [stdout] 87028c31ee0dba0969d8f699c790b6635087bf8e60d8f12e26b95d0ea92b4dd5