[INFO] fetching crate lava_torrent 0.5.0...
[INFO] building lava_torrent-0.5.0 against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] extracting crate lava_torrent 0.5.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate lava_torrent 0.5.0 on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate lava_torrent 0.5.0
[INFO] finished tweaking crates.io crate lava_torrent 0.5.0
[INFO] tweaked toml for crates.io crate lava_torrent 0.5.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--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-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f1c6be0f9893f31a33464cb37135da445bebdd3f0f2e806d6c1adf38bb1d1b27
[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" "f1c6be0f9893f31a33464cb37135da445bebdd3f0f2e806d6c1adf38bb1d1b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1c6be0f9893f31a33464cb37135da445bebdd3f0f2e806d6c1adf38bb1d1b27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1c6be0f9893f31a33464cb37135da445bebdd3f0f2e806d6c1adf38bb1d1b27", kill_on_drop: false }`
[INFO] [stdout] f1c6be0f9893f31a33464cb37135da445bebdd3f0f2e806d6c1adf38bb1d1b27
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fd80c6ae068cef392b53a77a31b9371355aebcd76406eae38670e2460f4f36a9
[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" "fd80c6ae068cef392b53a77a31b9371355aebcd76406eae38670e2460f4f36a9", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling custom_derive v0.1.7
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling tinyvec v1.2.0
[INFO] [stderr]    Compiling conv v0.3.3
[INFO] [stderr]    Compiling sha-1 v0.8.2
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling unicode-normalization v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.59
[INFO] [stderr]    Compiling lava_torrent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tracker/mod.rs:166:20
[INFO] [stdout]     |
[INFO] [stdout] 166 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 167 | |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 | |                 bytes.len()
[INFO] [stdout] 169 | |             ))
[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] 166 |             panic!(
[INFO] [stdout] 167 |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 |                 bytes.len()
[INFO] [stdout] 169 |             )
[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 6.41s
[INFO] running `Command { std: "docker" "inspect" "fd80c6ae068cef392b53a77a31b9371355aebcd76406eae38670e2460f4f36a9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd80c6ae068cef392b53a77a31b9371355aebcd76406eae38670e2460f4f36a9", kill_on_drop: false }`
[INFO] [stdout] fd80c6ae068cef392b53a77a31b9371355aebcd76406eae38670e2460f4f36a9
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98bc5bc841008a0e732e7dbbfd013956d1da6c2a55664cb091b7eb20f5bb1abe
[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" "98bc5bc841008a0e732e7dbbfd013956d1da6c2a55664cb091b7eb20f5bb1abe", kill_on_drop: false }`
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tracker/mod.rs:166:20
[INFO] [stdout]     |
[INFO] [stdout] 166 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 167 | |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 | |                 bytes.len()
[INFO] [stdout] 169 | |             ))
[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] 166 |             panic!(
[INFO] [stdout] 167 |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 |                 bytes.len()
[INFO] [stdout] 169 |             )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling lava_torrent v0.5.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/tracker/mod.rs:166:20
[INFO] [stdout]     |
[INFO] [stdout] 166 |               panic!(format!(
[INFO] [stdout]     |  ____________________^
[INFO] [stdout] 167 | |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 | |                 bytes.len()
[INFO] [stdout] 169 | |             ))
[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] 166 |             panic!(
[INFO] [stdout] 167 |                 "Peer::from_bytes() expects 6 bytes, {} received.",
[INFO] [stdout] 168 |                 bytes.len()
[INFO] [stdout] 169 |             )
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 8.01s
[INFO] running `Command { std: "docker" "inspect" "98bc5bc841008a0e732e7dbbfd013956d1da6c2a55664cb091b7eb20f5bb1abe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98bc5bc841008a0e732e7dbbfd013956d1da6c2a55664cb091b7eb20f5bb1abe", kill_on_drop: false }`
[INFO] [stdout] 98bc5bc841008a0e732e7dbbfd013956d1da6c2a55664cb091b7eb20f5bb1abe
