[INFO] cloning repository https://github.com/hank-der-hafenarbeiter/imperative-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hank-der-hafenarbeiter/imperative-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2Fimperative-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2Fimperative-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8e809b597d733fd2764cb572a05377dbf9bbb12a
[INFO] checking hank-der-hafenarbeiter/imperative-rs against try#b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b for pr-82781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhank-der-hafenarbeiter%2Fimperative-rs" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hank-der-hafenarbeiter/imperative-rs on toolchain b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hank-der-hafenarbeiter/imperative-rs
[INFO] finished tweaking git repo https://github.com/hank-der-hafenarbeiter/imperative-rs
[INFO] tweaked toml for git repo https://github.com/hank-der-hafenarbeiter/imperative-rs written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trybuild v1.0.41
[INFO] [stderr]   Downloaded imperative-rs v0.3.1
[INFO] [stderr]   Downloaded imperative-rs-derive v0.3.1
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] adb8bcfa29902bdad58b0f6716e6b4e52a07df3bc609b3e4e9c0ddd81e47ee30
[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" "adb8bcfa29902bdad58b0f6716e6b4e52a07df3bc609b3e4e9c0ddd81e47ee30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "adb8bcfa29902bdad58b0f6716e6b4e52a07df3bc609b3e4e9c0ddd81e47ee30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adb8bcfa29902bdad58b0f6716e6b4e52a07df3bc609b3e4e9c0ddd81e47ee30", kill_on_drop: false }`
[INFO] [stdout] adb8bcfa29902bdad58b0f6716e6b4e52a07df3bc609b3e4e9c0ddd81e47ee30
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+b09a3e9a7a0ff7efb269ec0c13dcc0fd3cedcf6b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f725659c1ed1e779e08049c9019e7bfe9cd09ff6938afccd01803546f7dfc138
[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" "f725659c1ed1e779e08049c9019e7bfe9cd09ff6938afccd01803546f7dfc138", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]    Compiling crossbeam-utils v0.8.3
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking plotters-svg v0.3.0
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking plotters v0.3.0
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking crossbeam-epoch v0.9.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.0
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rayon-core v1.9.0
[INFO] [stderr]     Checking rayon v1.5.0
[INFO] [stderr]     Checking imperative-rs-derive v0.3.1 (/opt/rustwide/workdir/imperative-derive)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> imperative-derive/src/instruction.rs:85:16
[INFO] [stdout]    |
[INFO] [stdout] 85 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 86 | |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 | |             ty
[INFO] [stdout] 88 | |         ));
[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]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |         panic!(
[INFO] [stdout] 86 |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 |             ty
[INFO] [stdout] 88 |         );
[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]   --> imperative-derive/src/instruction.rs:85:16
[INFO] [stdout]    |
[INFO] [stdout] 85 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 86 | |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 | |             ty
[INFO] [stdout] 88 | |         ));
[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]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |         panic!(
[INFO] [stdout] 86 |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 |             ty
[INFO] [stdout] 88 |         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling imperative-rs-derive v0.3.1
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> imperative-derive/src/instruction.rs:85:16
[INFO] [stdout]    |
[INFO] [stdout] 85 |           panic!(format!(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 86 | |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 | |             ty
[INFO] [stdout] 88 | |         ));
[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]    = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]    |
[INFO] [stdout] 85 |         panic!(
[INFO] [stdout] 86 |             "Unexpected type {:?} when getting memory size.",
[INFO] [stdout] 87 |             ty
[INFO] [stdout] 88 |         );
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking imperative-rs v0.3.1
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking imperative-rs v0.3.1 (/opt/rustwide/workdir/imperative)
[INFO] [stderr]     Checking serde v1.0.124
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking bstr v0.2.15
[INFO] [stderr]     Checking serde_cbor v0.11.1
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.4
[INFO] [stderr]     Checking imperative-tests v0.1.1 (/opt/rustwide/workdir/imperative-tests)
[INFO] [stderr]     Checking imperative-bench v0.1.0 (/opt/rustwide/workdir/imperative-bench)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 58.87s
[INFO] running `Command { std: "docker" "inspect" "f725659c1ed1e779e08049c9019e7bfe9cd09ff6938afccd01803546f7dfc138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f725659c1ed1e779e08049c9019e7bfe9cd09ff6938afccd01803546f7dfc138", kill_on_drop: false }`
[INFO] [stdout] f725659c1ed1e779e08049c9019e7bfe9cd09ff6938afccd01803546f7dfc138