[INFO] fetching crate rstats 0.5.9...
[INFO] checking rstats-0.5.9 against master#4fa76a4a7742bb9c1febe33019f5a9e7e4839a65 for pr-83744
[INFO] extracting crate rstats 0.5.9 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate rstats 0.5.9 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 rstats 0.5.9
[INFO] finished tweaking crates.io crate rstats 0.5.9
[INFO] tweaked toml for crates.io crate rstats 0.5.9 written to /workspace/builds/worker-3/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/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 057b0aea90f3bd07f27238217430c07ce949e9a369c42dff9d109605e0d88a0e
[INFO] running `Command { std: "docker" "start" "-a" "057b0aea90f3bd07f27238217430c07ce949e9a369c42dff9d109605e0d88a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "057b0aea90f3bd07f27238217430c07ce949e9a369c42dff9d109605e0d88a0e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "057b0aea90f3bd07f27238217430c07ce949e9a369c42dff9d109605e0d88a0e", kill_on_drop: false }`
[INFO] [stdout] 057b0aea90f3bd07f27238217430c07ce949e9a369c42dff9d109605e0d88a0e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4fa76a4a7742bb9c1febe33019f5a9e7e4839a65" "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] 7a7f1ba61527240d16f855082954c6ab5933a5b7a4141fc0bc3101dc44afc3a6
[INFO] running `Command { std: "docker" "start" "-a" "7a7f1ba61527240d16f855082954c6ab5933a5b7a4141fc0bc3101dc44afc3a6", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking devtimer v4.0.1
[INFO] [stderr]     Checking rstats v0.5.9 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/functions.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |           panic!(emsg(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 20 | |             file!(),
[INFO] [stdout] 21 | |             line!(),
[INFO] [stdout] 22 | |             "genvec given zero or wrong dimensions"
[INFO] [stdout] 23 | |         ))
[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] 19 |         panic!("{}", emsg(
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 19 |         std::panic::panic_any(emsg(
[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/functions.rs:19:16
[INFO] [stdout]    |
[INFO] [stdout] 19 |           panic!(emsg(
[INFO] [stdout]    |  ________________^
[INFO] [stdout] 20 | |             file!(),
[INFO] [stdout] 21 | |             line!(),
[INFO] [stdout] 22 | |             "genvec given zero or wrong dimensions"
[INFO] [stdout] 23 | |         ))
[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] 19 |         panic!("{}", emsg(
[INFO] [stdout]    |                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 19 |         std::panic::panic_any(emsg(
[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 2.70s
[INFO] running `Command { std: "docker" "inspect" "7a7f1ba61527240d16f855082954c6ab5933a5b7a4141fc0bc3101dc44afc3a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a7f1ba61527240d16f855082954c6ab5933a5b7a4141fc0bc3101dc44afc3a6", kill_on_drop: false }`
[INFO] [stdout] 7a7f1ba61527240d16f855082954c6ab5933a5b7a4141fc0bc3101dc44afc3a6