[INFO] fetching crate imperative-rs-derive 0.3.1...
[INFO] checking imperative-rs-derive-0.3.1 against try#4a23c45c7893f1416456144e3883cc48ea91722e for pr-82322
[INFO] extracting crate imperative-rs-derive 0.3.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate imperative-rs-derive 0.3.1 on toolchain 4a23c45c7893f1416456144e3883cc48ea91722e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate imperative-rs-derive 0.3.1
[INFO] finished tweaking crates.io crate imperative-rs-derive 0.3.1
[INFO] tweaked toml for crates.io crate imperative-rs-derive 0.3.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "metadata" "--no-deps" "--format-version=1", 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] c2a870ad7f1289cdf1e1bbb51934aed517a633924c0590b568455d1e2f54561c
[INFO] running `Command { std: "docker" "start" "-a" "c2a870ad7f1289cdf1e1bbb51934aed517a633924c0590b568455d1e2f54561c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a870ad7f1289cdf1e1bbb51934aed517a633924c0590b568455d1e2f54561c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a870ad7f1289cdf1e1bbb51934aed517a633924c0590b568455d1e2f54561c", kill_on_drop: false }`
[INFO] [stdout] c2a870ad7f1289cdf1e1bbb51934aed517a633924c0590b568455d1e2f54561c
[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" "+4a23c45c7893f1416456144e3883cc48ea91722e" "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] e638b28c4d0d658d0443e0a9bc19844ace53b3cdd3c65c4f8e63745ca695c24b
[INFO] running `Command { std: "docker" "start" "-a" "e638b28c4d0d658d0443e0a9bc19844ace53b3cdd3c65c4f8e63745ca695c24b", kill_on_drop: false }`
[INFO] [stderr]     Checking unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]     Checking proc-macro2 v1.0.24
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking imperative-rs-derive v0.3.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> 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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[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/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: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.54s
[INFO] running `Command { std: "docker" "inspect" "e638b28c4d0d658d0443e0a9bc19844ace53b3cdd3c65c4f8e63745ca695c24b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e638b28c4d0d658d0443e0a9bc19844ace53b3cdd3c65c4f8e63745ca695c24b", kill_on_drop: false }`
[INFO] [stdout] e638b28c4d0d658d0443e0a9bc19844ace53b3cdd3c65c4f8e63745ca695c24b