[INFO] cloning repository https://github.com/librespot-org/librespot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/librespot-org/librespot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrespot-org%2Flibrespot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrespot-org%2Flibrespot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 56f1fb6dae081daa88b4429c3970174ea45a0c91
[INFO] checking librespot-org/librespot against try#32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flibrespot-org%2Flibrespot" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/librespot-org/librespot on toolchain 32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/librespot-org/librespot
[INFO] finished tweaking git repo https://github.com/librespot-org/librespot
[INFO] tweaked toml for git repo https://github.com/librespot-org/librespot written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/librespot-org/librespot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a450dfc7a987f15e2d9b16bedae9f352d6960073f70f6173d90906f06f0c4f24
[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" "a450dfc7a987f15e2d9b16bedae9f352d6960073f70f6173d90906f06f0c4f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a450dfc7a987f15e2d9b16bedae9f352d6960073f70f6173d90906f06f0c4f24", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a450dfc7a987f15e2d9b16bedae9f352d6960073f70f6173d90906f06f0c4f24", kill_on_drop: false }`
[INFO] [stdout] a450dfc7a987f15e2d9b16bedae9f352d6960073f70f6173d90906f06f0c4f24
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+32cb8dc6fdc8140b91f4d17c4883e528db4e7e6d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4f4e6f47f696359a4238491884e8acced9630245d32db91662310c48688f4d00
[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" "4f4e6f47f696359a4238491884e8acced9630245d32db91662310c48688f4d00", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.85
[INFO] [stderr]     Checking futures v0.1.30
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]     Checking byteorder v1.4.2
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling serde v1.0.123
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]     Checking subtle v2.4.0
[INFO] [stderr]     Checking slab v0.3.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]    Compiling cpal v0.13.1
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking lock_api v0.3.4
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling num-bigint v0.3.1
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking tinyvec v1.1.1
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]    Compiling alsa-sys v0.3.1
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[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking shannon v0.2.0
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[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking bit-set v0.5.2
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crossbeam-queue v0.1.2
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking crypto-mac v0.10.0
[INFO] [stderr]     Checking block-buffer v0.9.0
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[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aes-soft v0.6.4
[INFO] [stderr]     Checking ctr v0.6.0
[INFO] [stderr]     Checking block-modes v0.7.0
[INFO] [stderr]    Compiling syn v1.0.60
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[INFO] [stderr]     Checking sha-1 v0.9.3
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[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]     Checking want v0.0.4
[INFO] [stderr]     Checking aes v0.6.0
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[INFO] [stderr]     Checking unicode-normalization v0.1.16
[INFO] [stderr]     Checking lewton v0.10.2
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]     Checking tokio-core v0.1.18
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling librespot-core v0.1.6 (/opt/rustwide/workdir/core)
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.14.0
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[INFO] [stderr]     Checking alsa v0.4.3
[INFO] [stderr]    Compiling librespot-protocol v0.1.6 (/opt/rustwide/workdir/protocol)
[INFO] [stderr]    Compiling thiserror-impl v1.0.23
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[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> core/src/session.rs:137:48
[INFO] [stdout]     |
[INFO] [stdout] 137 |             .map_err(|e| -> io::Error { panic!(e) })
[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] 137 |             .map_err(|e| -> io::Error { panic!("{}", e) })
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 137 |             .map_err(|e| -> io::Error { std::panic::panic_any(e) })
[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]    --> core/src/session.rs:137:48
[INFO] [stdout]     |
[INFO] [stdout] 137 |             .map_err(|e| -> io::Error { panic!(e) })
[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] 137 |             .map_err(|e| -> io::Error { panic!("{}", e) })
[INFO] [stdout]     |                                                ^^^^^
[INFO] [stdout] help: or use std::panic::panic_any instead
[INFO] [stdout]     |
[INFO] [stdout] 137 |             .map_err(|e| -> io::Error { std::panic::panic_any(e) })
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking librespot-audio v0.1.6 (/opt/rustwide/workdir/audio)
[INFO] [stderr]     Checking librespot-metadata v0.1.6 (/opt/rustwide/workdir/metadata)
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[INFO] [stderr]     Checking librespot v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 33s
[INFO] running `Command { std: "docker" "inspect" "4f4e6f47f696359a4238491884e8acced9630245d32db91662310c48688f4d00", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4f4e6f47f696359a4238491884e8acced9630245d32db91662310c48688f4d00", kill_on_drop: false }`
[INFO] [stdout] 4f4e6f47f696359a4238491884e8acced9630245d32db91662310c48688f4d00