[INFO] fetching crate no_color 0.1.0...
[INFO] checking no_color-0.1.0 against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] extracting crate no_color 0.1.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate no_color 0.1.0 on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate no_color 0.1.0
[INFO] finished tweaking crates.io crate no_color 0.1.0
[INFO] tweaked toml for crates.io crate no_color 0.1.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate crates.io crate no_color 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 584b788858b8146e3156fb72e261d864b0718bcfaf3cd3aa2562f8ba35f1bb81
[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" "584b788858b8146e3156fb72e261d864b0718bcfaf3cd3aa2562f8ba35f1bb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "584b788858b8146e3156fb72e261d864b0718bcfaf3cd3aa2562f8ba35f1bb81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "584b788858b8146e3156fb72e261d864b0718bcfaf3cd3aa2562f8ba35f1bb81", kill_on_drop: false }`
[INFO] [stdout] 584b788858b8146e3156fb72e261d864b0718bcfaf3cd3aa2562f8ba35f1bb81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 691fcc2cf9e5ccb13bee6652fb1de9472f1ebe2385537ab2fe77f10a67e5548f
[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" "691fcc2cf9e5ccb13bee6652fb1de9472f1ebe2385537ab2fe77f10a67e5548f", kill_on_drop: false }`
[INFO] [stderr]     Checking no_color v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:40:32
[INFO] [stdout]    |
[INFO] [stdout] 40 |         assert!(is_no_color(), true);
[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] 40 |         assert!(is_no_color(), "{}", true);
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/lib.rs:46:32
[INFO] [stdout]    |
[INFO] [stdout] 46 |         assert!(is_no_color(), true);
[INFO] [stdout]    |                                ^^^^
[INFO] [stdout]    |
[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] 46 |         assert!(is_no_color(), "{}", true);
[INFO] [stdout]    |                                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "691fcc2cf9e5ccb13bee6652fb1de9472f1ebe2385537ab2fe77f10a67e5548f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "691fcc2cf9e5ccb13bee6652fb1de9472f1ebe2385537ab2fe77f10a67e5548f", kill_on_drop: false }`
[INFO] [stdout] 691fcc2cf9e5ccb13bee6652fb1de9472f1ebe2385537ab2fe77f10a67e5548f