[INFO] fetching crate dovepipe 0.1.6...
[INFO] checking dovepipe-0.1.6 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dovepipe 0.1.6 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate dovepipe 0.1.6 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dovepipe 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dovepipe 0.1.6
[INFO] tweaked toml for crates.io crate dovepipe 0.1.6 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate dovepipe 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded parking_lot_core v0.9.1
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded async-trait v0.1.52
[INFO] [stderr]   Downloaded lock_api v0.4.6
[INFO] [stderr]   Downloaded mio v0.8.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.11
[INFO] [stderr]   Downloaded tokio v1.17.0
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_i686_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.32.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.32.0
[INFO] [stderr]   Downloaded libc v0.2.119
[INFO] [stderr]   Downloaded windows-sys v0.32.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 91e89d44a7f02ab0ed15f5bc977bb5f0e2b44dd3daf45b307a04949fad9503eb
[INFO] running `Command { std: "docker" "start" "-a" "91e89d44a7f02ab0ed15f5bc977bb5f0e2b44dd3daf45b307a04949fad9503eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "91e89d44a7f02ab0ed15f5bc977bb5f0e2b44dd3daf45b307a04949fad9503eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "91e89d44a7f02ab0ed15f5bc977bb5f0e2b44dd3daf45b307a04949fad9503eb", kill_on_drop: false }`
[INFO] [stdout] 91e89d44a7f02ab0ed15f5bc977bb5f0e2b44dd3daf45b307a04949fad9503eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 04c6789a347237ce26d71952c06b76a890c460c2677053b6758a7db020e8ade7
[INFO] running `Command { std: "docker" "start" "-a" "04c6789a347237ce26d71952c06b76a890c460c2677053b6758a7db020e8ade7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking dovepipe v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `destruct` is never used
[INFO] [stdout]   --> src/reciever.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait ProgressTracker {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     async fn destruct(&self);
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/reciever.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct FileProgTrack {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 27 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destruct` is never used
[INFO] [stdout]   --> src/reciever.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait ProgressTracker {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     async fn destruct(&self);
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/reciever.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct FileProgTrack {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 27 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.68s
[INFO] running `Command { std: "docker" "inspect" "04c6789a347237ce26d71952c06b76a890c460c2677053b6758a7db020e8ade7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04c6789a347237ce26d71952c06b76a890c460c2677053b6758a7db020e8ade7", kill_on_drop: false }`
[INFO] [stdout] 04c6789a347237ce26d71952c06b76a890c460c2677053b6758a7db020e8ade7
[INFO] checking dovepipe-0.1.6 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dovepipe 0.1.6 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate dovepipe 0.1.6 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dovepipe 0.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate dovepipe 0.1.6
[INFO] tweaked toml for crates.io crate dovepipe 0.1.6 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate dovepipe 0.1.6 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2a213506fcc3abcc8f71c33e0fff3ae1a1d1da846fd63b1963c0e83ed1982669
[INFO] running `Command { std: "docker" "start" "-a" "2a213506fcc3abcc8f71c33e0fff3ae1a1d1da846fd63b1963c0e83ed1982669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2a213506fcc3abcc8f71c33e0fff3ae1a1d1da846fd63b1963c0e83ed1982669", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2a213506fcc3abcc8f71c33e0fff3ae1a1d1da846fd63b1963c0e83ed1982669", kill_on_drop: false }`
[INFO] [stdout] 2a213506fcc3abcc8f71c33e0fff3ae1a1d1da846fd63b1963c0e83ed1982669
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 870910fb7bb0cd7080b0cc081dac209cad8d4cc4bd2c8dbe1537e07e6ec8a0fb
[INFO] running `Command { std: "docker" "start" "-a" "870910fb7bb0cd7080b0cc081dac209cad8d4cc4bd2c8dbe1537e07e6ec8a0fb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.119
[INFO] [stderr]    Compiling proc-macro2 v1.0.36
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling parking_lot_core v0.9.1
[INFO] [stderr]     Checking smallvec v1.8.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling async-trait v0.1.52
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking lock_api v0.4.6
[INFO] [stderr]    Compiling quote v1.0.15
[INFO] [stderr]     Checking socket2 v0.4.4
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking mio v0.8.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking parking_lot v0.12.0
[INFO] [stderr]    Compiling tokio-macros v1.7.0
[INFO] [stderr]     Checking tokio v1.17.0
[INFO] [stderr]     Checking dovepipe v0.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: method `destruct` is never used
[INFO] [stdout]   --> src/reciever.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait ProgressTracker {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     async fn destruct(&self);
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/reciever.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct FileProgTrack {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 27 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `destruct` is never used
[INFO] [stdout]   --> src/reciever.rs:23:14
[INFO] [stdout]    |
[INFO] [stdout] 20 | trait ProgressTracker {
[INFO] [stdout]    |       --------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 23 |     async fn destruct(&self);
[INFO] [stdout]    |              ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `filename` is never read
[INFO] [stdout]   --> src/reciever.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | struct FileProgTrack {
[INFO] [stdout]    |        ------------- field in this struct
[INFO] [stdout] 27 |     filename: String,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.84s
[INFO] running `Command { std: "docker" "inspect" "870910fb7bb0cd7080b0cc081dac209cad8d4cc4bd2c8dbe1537e07e6ec8a0fb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "870910fb7bb0cd7080b0cc081dac209cad8d4cc4bd2c8dbe1537e07e6ec8a0fb", kill_on_drop: false }`
[INFO] [stdout] 870910fb7bb0cd7080b0cc081dac209cad8d4cc4bd2c8dbe1537e07e6ec8a0fb