[INFO] fetching crate swiss-army-knife 0.0.13...
[INFO] checking swiss-army-knife-0.0.13 against master#195ad4830e11a544391abe296b146450dea8411b for pr-82781
[INFO] extracting crate swiss-army-knife 0.0.13 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate swiss-army-knife 0.0.13 on toolchain 195ad4830e11a544391abe296b146450dea8411b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate swiss-army-knife 0.0.13
[INFO] finished tweaking crates.io crate swiss-army-knife 0.0.13
[INFO] tweaked toml for crates.io crate swiss-army-knife 0.0.13 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+195ad4830e11a544391abe296b146450dea8411b" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded likely v0.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+195ad4830e11a544391abe296b146450dea8411b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ef4e467e4e8a2fd7e4cc39db1fee97b6552a4c619ba94c82ada42e93c96ffa0
[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" "5ef4e467e4e8a2fd7e4cc39db1fee97b6552a4c619ba94c82ada42e93c96ffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ef4e467e4e8a2fd7e4cc39db1fee97b6552a4c619ba94c82ada42e93c96ffa0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ef4e467e4e8a2fd7e4cc39db1fee97b6552a4c619ba94c82ada42e93c96ffa0", kill_on_drop: false }`
[INFO] [stdout] 5ef4e467e4e8a2fd7e4cc39db1fee97b6552a4c619ba94c82ada42e93c96ffa0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+195ad4830e11a544391abe296b146450dea8411b" "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] 05bfa2971734c003e6a081e3798db62716283d28e9aff6e8cf59fdadce527071
[INFO] running `Command { std: "docker" "start" "-a" "05bfa2971734c003e6a081e3798db62716283d28e9aff6e8cf59fdadce527071", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling libc v0.2.90
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling crunchy v0.2.2
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]     Checking likely v0.2.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]     Checking const-random v0.1.13
[INFO] [stderr]     Checking ahash v0.4.7
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking hashbrown v0.9.1
[INFO] [stderr]     Checking swiss-army-knife v0.0.13 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]   --> src/unreachable_code_const.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     panic!(explanation)
[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] 12 |     panic!("{}", explanation)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 12 |     std::panic::panic_any(explanation)
[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/unreachable_code_const.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     panic!(explanation)
[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] 12 |     panic!("{}", explanation)
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]    |
[INFO] [stdout] 12 |     std::panic::panic_any(explanation)
[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 37.49s
[INFO] running `Command { std: "docker" "inspect" "05bfa2971734c003e6a081e3798db62716283d28e9aff6e8cf59fdadce527071", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "05bfa2971734c003e6a081e3798db62716283d28e9aff6e8cf59fdadce527071", kill_on_drop: false }`
[INFO] [stdout] 05bfa2971734c003e6a081e3798db62716283d28e9aff6e8cf59fdadce527071