[INFO] fetching crate record-screen 0.4.0...
[INFO] checking record-screen-0.4.0 against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] extracting crate record-screen 0.4.0 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate record-screen 0.4.0 on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate record-screen 0.4.0
[INFO] finished tweaking crates.io crate record-screen 0.4.0
[INFO] tweaked toml for crates.io crate record-screen 0.4.0 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate record-screen 0.4.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded syn v1.0.72
[INFO] [stderr]   Downloaded rpassword v2.1.0
[INFO] [stderr]   Downloaded libc v0.2.95
[INFO] [stderr]   Downloaded docopt v1.1.1
[INFO] [stderr]   Downloaded scrap v0.5.0
[INFO] [stderr]   Downloaded webm v1.0.2
[INFO] [stderr]   Downloaded webm-sys v1.0.2
[INFO] [stderr]   Downloaded quest v0.3.0
[INFO] [stderr]   Downloaded vpx-encode v0.5.0
[INFO] [stderr]   Downloaded env-libvpx-sys v5.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 38ced11bc382126cc4248c01880a77db3477b54c1b2f900cc0b4847c0199f28c
[INFO] running `Command { std: "docker" "start" "-a" "38ced11bc382126cc4248c01880a77db3477b54c1b2f900cc0b4847c0199f28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "38ced11bc382126cc4248c01880a77db3477b54c1b2f900cc0b4847c0199f28c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ced11bc382126cc4248c01880a77db3477b54c1b2f900cc0b4847c0199f28c", kill_on_drop: false }`
[INFO] [stdout] 38ced11bc382126cc4248c01880a77db3477b54c1b2f900cc0b4847c0199f28c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2821e6358bed3d55094026cfd9f84a2d12c20018f4cdd32f799e662de2b6fa76
[INFO] running `Command { std: "docker" "start" "-a" "2821e6358bed3d55094026cfd9f84a2d12c20018f4cdd32f799e662de2b6fa76", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.68
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling scrap v0.5.0
[INFO] [stderr]     Checking strsim v0.10.0
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking rpassword v2.1.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]    Compiling env-libvpx-sys v5.1.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking quest v0.3.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling webm-sys v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.25
[INFO] [stderr]     Checking thiserror v1.0.25
[INFO] [stderr]     Checking vpx-encode v0.5.0
[INFO] [stderr]     Checking webm v1.0.2
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]     Checking docopt v1.1.1
[INFO] [stderr]     Checking record-screen v0.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `flag_ba`
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     flag_ba: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `flag_ba`
[INFO] [stdout]   --> src/main.rs:68:5
[INFO] [stdout]    |
[INFO] [stdout] 68 |     flag_ba: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.87s
[INFO] running `Command { std: "docker" "inspect" "2821e6358bed3d55094026cfd9f84a2d12c20018f4cdd32f799e662de2b6fa76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2821e6358bed3d55094026cfd9f84a2d12c20018f4cdd32f799e662de2b6fa76", kill_on_drop: false }`
[INFO] [stdout] 2821e6358bed3d55094026cfd9f84a2d12c20018f4cdd32f799e662de2b6fa76