[INFO] fetching crate m3u8-rs 1.0.7...
[INFO] checking m3u8-rs-1.0.7 against try#55b3f428b4fac6790b1e8492e0b91ff2d80aec7c for pr-77035
[INFO] extracting crate m3u8-rs 1.0.7 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate m3u8-rs 1.0.7 on toolchain 55b3f428b4fac6790b1e8492e0b91ff2d80aec7c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate m3u8-rs 1.0.7
[INFO] finished tweaking crates.io crate m3u8-rs 1.0.7
[INFO] tweaked toml for crates.io crate m3u8-rs 1.0.7 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate m3u8-rs 1.0.7 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded lexical-core v0.6.7
[INFO] [stderr]   Downloaded static_assertions v0.3.4
[INFO] [stderr]   Downloaded nom v5.1.1
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bc8aeb993a5c0ddca2af39aa87b6f8d45ad5d99e3a6dc0b95355867a6ffe4d10
[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" "bc8aeb993a5c0ddca2af39aa87b6f8d45ad5d99e3a6dc0b95355867a6ffe4d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc8aeb993a5c0ddca2af39aa87b6f8d45ad5d99e3a6dc0b95355867a6ffe4d10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8aeb993a5c0ddca2af39aa87b6f8d45ad5d99e3a6dc0b95355867a6ffe4d10", kill_on_drop: false }`
[INFO] [stdout] bc8aeb993a5c0ddca2af39aa87b6f8d45ad5d99e3a6dc0b95355867a6ffe4d10
[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:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+55b3f428b4fac6790b1e8492e0b91ff2d80aec7c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6066e2538b769ff5fa6c755bf41381379ec02c877a84532a3f97595ab106da9
[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" "c6066e2538b769ff5fa6c755bf41381379ec02c877a84532a3f97595ab106da9", kill_on_drop: false }`
[INFO] [stderr]    Compiling arrayvec v0.4.12
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]     Checking static_assertions v0.3.4
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling nom v5.1.1
[INFO] [stderr]    Compiling lexical-core v0.6.7
[INFO] [stderr]     Checking m3u8-rs v1.0.7 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/with_nom_result.rs:15:21
[INFO] [stdout]    |
[INFO] [stdout] 15 |         Result::Ok((i, playlist)) => playlist,
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/with_nom_result.rs:33:21
[INFO] [stdout]    |
[INFO] [stdout] 33 |         Result::Ok((i, Playlist::MasterPlaylist(pl))) => println!("Master playlist:\n{:?}", pl),
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> examples/with_nom_result.rs:34:21
[INFO] [stdout]    |
[INFO] [stdout] 34 |         Result::Ok((i, Playlist::MediaPlaylist(pl))) => println!("Media playlist:\n{:?}", pl),
[INFO] [stdout]    |                     ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `main_alt`
[INFO] [stdout]   --> examples/with_nom_result.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn main_alt() {
[INFO] [stdout]    |    ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.25s
[INFO] running `Command { std: "docker" "inspect" "c6066e2538b769ff5fa6c755bf41381379ec02c877a84532a3f97595ab106da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6066e2538b769ff5fa6c755bf41381379ec02c877a84532a3f97595ab106da9", kill_on_drop: false }`
[INFO] [stdout] c6066e2538b769ff5fa6c755bf41381379ec02c877a84532a3f97595ab106da9