[INFO] cloning repository https://github.com/arcnmx/screenstub
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/arcnmx/screenstub" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 95166c8b65bb450498d797b7a85bc3f8dbf519ce
[INFO] checking arcnmx/screenstub against try#a7a572ce3edd6d476191fbfe92c9c1986e009b34 for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Farcnmx%2Fscreenstub" "/workspace/builds/worker-17/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-17/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/arcnmx/screenstub on toolchain a7a572ce3edd6d476191fbfe92c9c1986e009b34
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/arcnmx/screenstub
[INFO] finished tweaking git repo https://github.com/arcnmx/screenstub
[INFO] tweaked toml for git repo https://github.com/arcnmx/screenstub written to /workspace/builds/worker-17/source/Cargo.toml
[INFO] crate git repo https://github.com/arcnmx/screenstub already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "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 humantime-serde v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.54
[INFO] [stderr]   Downloaded serde_derive v1.0.118
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[INFO] [stderr]   Downloaded nvapi-sys v0.1.3
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[INFO] [stderr]   Downloaded udev v0.2.0
[INFO] [stderr]   Downloaded resize-slice v0.1.3
[INFO] [stderr]   Downloaded ddc-winapi v0.2.0
[INFO] [stderr]   Downloaded ddc v0.2.2
[INFO] [stderr]   Downloaded qapi-qmp v0.7.0
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[INFO] [stderr]   Downloaded nvapi v0.1.3
[INFO] [stderr]   Downloaded bytes v0.6.0
[INFO] [stderr]   Downloaded ddc-hi v0.3.0
[INFO] [stderr]   Downloaded ddcutil-sys v0.0.3
[INFO] [stderr]   Downloaded qapi-parser v0.5.0
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[INFO] [stderr]   Downloaded qapi-qga v0.7.0
[INFO] [stderr]   Downloaded ddc-i2c v0.2.1
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f6d1b9735f351478c81ad93ce896978e0a9f307801b30d9a35e5a847b95ea398
[INFO] running `Command { std: "docker" "start" "-a" "f6d1b9735f351478c81ad93ce896978e0a9f307801b30d9a35e5a847b95ea398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6d1b9735f351478c81ad93ce896978e0a9f307801b30d9a35e5a847b95ea398", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6d1b9735f351478c81ad93ce896978e0a9f307801b30d9a35e5a847b95ea398", kill_on_drop: false }`
[INFO] [stdout] f6d1b9735f351478c81ad93ce896978e0a9f307801b30d9a35e5a847b95ea398
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-17/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+a7a572ce3edd6d476191fbfe92c9c1986e009b34" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 36f4c56c150c6a6e5b662dca10246f12e41080becec208777cad54fe8d69a2c0
[INFO] running `Command { std: "docker" "start" "-a" "36f4c56c150c6a6e5b662dca10246f12e41080becec208777cad54fe8d69a2c0", kill_on_drop: false }`
[INFO] [stderr] Copying to /tmp/fixit
[INFO] [stderr] Running `cargo fix --edition`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] note: Switching to Edition 2021 will enable the use of the version 2 feature resolver in Cargo.
[INFO] [stderr] This may cause some dependencies to be built with fewer features enabled than previously.
[INFO] [stderr] More information about the resolver changes may be found at https://doc.rust-lang.org/nightly/edition-guide/rust-2021/default-cargo-resolver.html
[INFO] [stderr] When building the following dependencies, the given features will no longer be used:
[INFO] [stderr] 
[INFO] [stderr]   itoa v0.4.6 (as host dependency): default, std
[INFO] [stderr]   libc v0.2.81: align
[INFO] [stderr]   libc v0.2.81 (as host dependency): align, extra_traits, use_std
[INFO] [stderr]   tokio v0.3.5: winapi
[INFO] [stderr] 
[INFO] [stderr]    Compiling syn v1.0.54
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking futures-core v0.3.8
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking futures-sink v0.3.8
[INFO] [stderr]     Checking bytes v0.6.0
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]     Checking pin-project-lite v0.2.0
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]     Checking gimli v0.23.0
[INFO] [stderr]     Checking object v0.22.0
[INFO] [stderr]     Checking rustc-demangle v0.1.18
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]     Checking screenstub-fd v0.0.1 (/tmp/fixit/fd)
[INFO] [stderr]     Checking humantime v2.0.1
[INFO] [stderr]     Checking nodrop v0.1.14
[INFO] [stderr]    Compiling ddc-hi v0.3.0
[INFO] [stderr]     Checking smallvec v1.5.1
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking result v1.0.0
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling miniz_oxide v0.4.3
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking yaml-rust v0.4.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking i2c v0.1.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking smallvec v0.6.13
[INFO] [stderr]    Migrating fd/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking array-init v0.0.4
[INFO] [stderr]     Checking futures-channel v0.3.8
[INFO] [stderr]     Checking mccs v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking addr2line v0.14.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking resize-slice v0.1.3
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ddc v0.2.2
[INFO] [stderr]    Compiling synstructure v0.12.4
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]    Compiling tokio-macros v0.3.1
[INFO] [stderr]    Compiling pin-project-internal v1.0.2
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]    Compiling enumflags2_derive v0.6.4
[INFO] [stderr]     Checking input-linux-sys v0.6.0
[INFO] [stderr]     Checking enumflags2 v0.6.4
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking pin-project v1.0.2
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-util v0.5.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking input-linux v0.4.0
[INFO] [stderr]     Checking serde_yaml v0.7.5
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking humantime-serde v1.0.1
[INFO] [stderr]     Checking serde-hex v0.1.0
[INFO] [stderr]     Checking serde_yaml v0.8.14
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking csv v1.1.5
[INFO] [stderr]     Checking qapi-spec v0.3.1
[INFO] [stderr]     Checking screenstub-ddc v0.0.1 (/tmp/fixit/ddc)
[INFO] [stderr]    Migrating ddc/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Compiling qapi-parser v0.5.0
[INFO] [stderr]    Compiling qapi-codegen v0.5.0
[INFO] [stderr]    Compiling qapi-qmp v0.7.0
[INFO] [stderr]    Compiling qapi-qga v0.7.0
[INFO] [stderr]     Checking screenstub-x v0.0.1 (/tmp/fixit/x)
[INFO] [stderr]     Checking screenstub-uinput v0.0.1 (/tmp/fixit/uinput)
[INFO] [stderr]    Migrating x/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]    Migrating uinput/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]        Fixed x/src/lib.rs (2 fixes)
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[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: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking screenstub-event v0.0.1 (/tmp/fixit/event)
[INFO] [stderr]    Migrating event/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking qapi v0.7.0
[INFO] [stderr]     Checking screenstub-config v0.0.1 (/tmp/fixit/config)
[INFO] [stderr]    Migrating config/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking screenstub-qemu v0.0.1 (/tmp/fixit/qemu)
[INFO] [stderr]    Migrating qemu/src/lib.rs from 2018 edition to 2021
[INFO] [stderr]     Checking screenstub v0.1.0 (/tmp/fixit)
[INFO] [stderr]    Migrating src/main.rs from 2018 edition to 2021
[INFO] [stdout] warning: function is never used: `retry`
[INFO] [stdout]  --> src/util.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retry<R, E: Into<Error>, F: Future<Output=Result<R, E>>, FF: FnMut() -> F>(mut f: FF, retries: usize, timeout: Duration) -> impl F...
[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: function is never used: `retry`
[INFO] [stdout]  --> src/util.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retry<R, E: Into<Error>, F: Future<Output=Result<R, E>>, FF: FnMut() -> F>(mut f: FF, retries: usize, timeout: Duration) -> impl F...
[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 2m 09s
[INFO] [stderr] Running `cargo check` to verify 2021
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling tokio v0.3.5
[INFO] [stderr]    Compiling serde_json v1.0.60
[INFO] [stderr]    Compiling qapi-parser v0.5.0
[INFO] [stderr]    Compiling xcb v0.9.0
[INFO] [stderr]    Compiling qapi-codegen v0.5.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.2
[INFO] [stderr]     Checking mio v0.7.6
[INFO] [stderr]     Checking backtrace v0.3.55
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking libudev-sys v0.1.4
[INFO] [stderr]     Checking i2c-linux-sys v0.2.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking env_logger v0.8.2
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking udev v0.2.0
[INFO] [stderr]     Checking nom v3.2.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking i2c-linux v0.1.2
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking ddc-i2c v0.2.1
[INFO] [stderr]    Compiling qapi-qmp v0.7.0
[INFO] [stderr]    Compiling qapi-qga v0.7.0
[INFO] [stderr]     Checking mccs-db v0.1.2
[INFO] [stderr]     Checking mccs-caps v0.1.0
[INFO] [stderr]     Checking edid v0.3.0
[INFO] [stderr]     Checking ddc-hi v0.3.0
[INFO] [stderr]     Checking screenstub-ddc v0.0.1 (/tmp/fixit/ddc)
[INFO] [stderr]     Checking tokio-util v0.5.1
[INFO] [stderr]     Checking input-linux-sys v0.6.0
[INFO] [stderr]     Checking input-linux v0.4.0
[INFO] [stderr]     Checking screenstub-x v0.0.1 (/tmp/fixit/x)
[INFO] [stderr]     Checking screenstub-uinput v0.0.1 (/tmp/fixit/uinput)
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[INFO] [stdout]     |        ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `x_keysym`
[INFO] [stdout]    --> x/src/lib.rs:539:8
[INFO] [stdout]     |
[INFO] [stdout] 539 |     fn x_keysym(_key: xcb::Keysym) -> Option<Key> {
[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]     Checking screenstub-event v0.0.1 (/tmp/fixit/event)
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking qapi v0.7.0
[INFO] [stderr]     Checking screenstub-config v0.0.1 (/tmp/fixit/config)
[INFO] [stderr]     Checking screenstub-qemu v0.0.1 (/tmp/fixit/qemu)
[INFO] [stderr]     Checking screenstub v0.1.0 (/tmp/fixit)
[INFO] [stdout] warning: function is never used: `retry`
[INFO] [stdout]  --> src/util.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retry<R, E: Into<Error>, F: Future<Output=Result<R, E>>, FF: FnMut() -> F>(mut f: FF, retries: usize, timeout: Duration) -> impl F...
[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: function is never used: `retry`
[INFO] [stdout]  --> src/util.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn retry<R, E: Into<Error>, F: Future<Output=Result<R, E>>, FF: FnMut() -> F>(mut f: FF, retries: usize, timeout: Duration) -> impl F...
[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 47.44s
[INFO] running `Command { std: "docker" "inspect" "36f4c56c150c6a6e5b662dca10246f12e41080becec208777cad54fe8d69a2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "36f4c56c150c6a6e5b662dca10246f12e41080becec208777cad54fe8d69a2c0", kill_on_drop: false }`
[INFO] [stdout] 36f4c56c150c6a6e5b662dca10246f12e41080becec208777cad54fe8d69a2c0