[INFO] fetching crate rendy-shader 0.5.1...
[INFO] checking rendy-shader-0.5.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rendy-shader 0.5.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate rendy-shader 0.5.1 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 rendy-shader 0.5.1
[INFO] finished tweaking crates.io crate rendy-shader 0.5.1
[INFO] tweaked toml for crates.io crate rendy-shader 0.5.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 67 packages
[INFO] [stderr]       Adding bitflags v1.3.2 (latest: v2.5.0)
[INFO] [stderr]       Adding cfg-if v0.1.10 (latest: v1.0.0)
[INFO] [stderr]       Adding cloudabi v0.0.3 (latest: v0.1.0)
[INFO] [stderr]       Adding crossbeam-channel v0.3.9 (latest: v0.5.12)
[INFO] [stderr]       Adding crossbeam-utils v0.6.6 (latest: v0.8.19)
[INFO] [stderr]       Adding gfx-hal v0.4.1 (latest: v0.9.0)
[INFO] [stderr]       Adding lock_api v0.3.4 (latest: v0.4.11)
[INFO] [stderr]       Adding object v0.32.2 (latest: v0.34.0)
[INFO] [stderr]       Adding parking_lot v0.9.0 (latest: v0.12.1)
[INFO] [stderr]       Adding parking_lot_core v0.6.3 (latest: v0.9.9)
[INFO] [stderr]       Adding raw-window-handle v0.3.4 (latest: v0.6.0)
[INFO] [stderr]       Adding raw-window-handle v0.4.3 (latest: v0.6.0)
[INFO] [stderr]       Adding redox_syscall v0.1.57 (latest: v0.5.1)
[INFO] [stderr]       Adding rustc_version v0.2.3 (latest: v0.4.0)
[INFO] [stderr]       Adding semver v0.9.0 (latest: v1.0.22)
[INFO] [stderr]       Adding semver-parser v0.7.0 (latest: v0.10.2)
[INFO] [stderr]       Adding shaderc v0.6.3 (latest: v0.8.3)
[INFO] [stderr]       Adding shaderc-sys v0.6.3 (latest: v0.8.3)
[INFO] [stderr]       Adding smallvec v0.6.14 (latest: v1.13.2)
[INFO] [stderr]       Adding time v0.1.45 (latest: v0.3.34)
[INFO] [stderr]       Adding wasi v0.10.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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 spirv_headers v1.5.0
[INFO] [stderr]   Downloaded thread_profiler v0.3.0
[INFO] [stderr]   Downloaded rendy-factory v0.5.1
[INFO] [stderr]   Downloaded rendy-memory v0.5.2
[INFO] [stderr]   Downloaded rendy-wsi v0.5.1
[INFO] [stderr]   Downloaded rendy-resource v0.5.1
[INFO] [stderr]   Downloaded rendy-descriptor v0.5.1
[INFO] [stderr]   Downloaded relevant v0.4.2
[INFO] [stderr]   Downloaded colorful v0.2.2
[INFO] [stderr]   Downloaded shaderc v0.6.3
[INFO] [stderr]   Downloaded rendy-command v0.5.1
[INFO] [stderr]   Downloaded rendy-core v0.5.1
[INFO] [stderr]   Downloaded gfx-hal v0.4.1
[INFO] [stderr]   Downloaded hibitset v0.6.4
[INFO] [stderr]   Downloaded shaderc-sys v0.6.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6706f7532761fb6609a848c97e9bf37287f4958037efdf85816dd2f87133b814
[INFO] running `Command { std: "docker" "start" "-a" "6706f7532761fb6609a848c97e9bf37287f4958037efdf85816dd2f87133b814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6706f7532761fb6609a848c97e9bf37287f4958037efdf85816dd2f87133b814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6706f7532761fb6609a848c97e9bf37287f4958037efdf85816dd2f87133b814", kill_on_drop: false }`
[INFO] [stdout] 6706f7532761fb6609a848c97e9bf37287f4958037efdf85816dd2f87133b814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] dce2ece80eebacfa66054f2b6c8aa270c287c8f8881343a246aad3f2ccfe015d
[INFO] running `Command { std: "docker" "start" "-a" "dce2ece80eebacfa66054f2b6c8aa270c287c8f8881343a246aad3f2ccfe015d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking colorful v0.2.2
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking thread_profiler v0.3.0
[INFO] [stderr]     Checking rendy-core v0.5.1
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking rendy-resource v0.5.1
[INFO] [stderr]     Checking rendy-command v0.5.1
[INFO] [stderr]     Checking rendy-wsi v0.5.1
[INFO] [stderr]     Checking rendy-factory v0.5.1
[INFO] [stderr]     Checking rendy-shader v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stage` is never read
[INFO] [stdout]    --> src/lib.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | pub struct ShaderStorage<B: Backend> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 445 |     stage: ShaderStageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ShaderStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stage` is never read
[INFO] [stdout]    --> src/lib.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | pub struct ShaderStorage<B: Backend> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 445 |     stage: ShaderStageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ShaderStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.97s
[INFO] running `Command { std: "docker" "inspect" "dce2ece80eebacfa66054f2b6c8aa270c287c8f8881343a246aad3f2ccfe015d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dce2ece80eebacfa66054f2b6c8aa270c287c8f8881343a246aad3f2ccfe015d", kill_on_drop: false }`
[INFO] [stdout] dce2ece80eebacfa66054f2b6c8aa270c287c8f8881343a246aad3f2ccfe015d
[INFO] checking rendy-shader-0.5.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rendy-shader 0.5.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate rendy-shader 0.5.1 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 rendy-shader 0.5.1
[INFO] finished tweaking crates.io crate rendy-shader 0.5.1
[INFO] tweaked toml for crates.io crate rendy-shader 0.5.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] fe861ce487e56231e9857034db86e8899346e8217e35e03399be2cdc8643365d
[INFO] running `Command { std: "docker" "start" "-a" "fe861ce487e56231e9857034db86e8899346e8217e35e03399be2cdc8643365d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe861ce487e56231e9857034db86e8899346e8217e35e03399be2cdc8643365d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe861ce487e56231e9857034db86e8899346e8217e35e03399be2cdc8643365d", kill_on_drop: false }`
[INFO] [stdout] fe861ce487e56231e9857034db86e8899346e8217e35e03399be2cdc8643365d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 90a5189a75f05a558bd83d7d3d40131124af4e94bc2a01a6042edfebf407a1dd
[INFO] running `Command { std: "docker" "start" "-a" "90a5189a75f05a558bd83d7d3d40131124af4e94bc2a01a6042edfebf407a1dd", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking crossbeam-utils v0.6.6
[INFO] [stderr]     Checking colorful v0.2.2
[INFO] [stderr]     Checking raw-window-handle v0.3.4
[INFO] [stderr]     Checking time v0.1.45
[INFO] [stderr]     Checking hibitset v0.6.4
[INFO] [stderr]     Checking either v1.10.0
[INFO] [stderr]     Checking smallvec v0.6.14
[INFO] [stderr]     Checking serde_json v1.0.115
[INFO] [stderr]     Checking relevant v0.4.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking gfx-hal v0.4.1
[INFO] [stderr]     Checking crossbeam-channel v0.3.9
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling parking_lot_core v0.6.3
[INFO] [stderr]    Compiling parking_lot v0.9.0
[INFO] [stderr]     Checking thread_profiler v0.3.0
[INFO] [stderr]     Checking rendy-core v0.5.1
[INFO] [stderr]     Checking rendy-descriptor v0.5.1
[INFO] [stderr]     Checking rendy-memory v0.5.2
[INFO] [stderr]     Checking rendy-resource v0.5.1
[INFO] [stderr]     Checking rendy-command v0.5.1
[INFO] [stderr]     Checking rendy-wsi v0.5.1
[INFO] [stderr]     Checking rendy-factory v0.5.1
[INFO] [stderr]     Checking rendy-shader v0.5.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `stage` is never read
[INFO] [stdout]    --> src/lib.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | pub struct ShaderStorage<B: Backend> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 445 |     stage: ShaderStageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ShaderStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stage` is never read
[INFO] [stdout]    --> src/lib.rs:445:5
[INFO] [stdout]     |
[INFO] [stdout] 444 | pub struct ShaderStorage<B: Backend> {
[INFO] [stdout]     |            ------------- field in this struct
[INFO] [stdout] 445 |     stage: ShaderStageFlags,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ShaderStorage` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[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]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.30s
[INFO] running `Command { std: "docker" "inspect" "90a5189a75f05a558bd83d7d3d40131124af4e94bc2a01a6042edfebf407a1dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90a5189a75f05a558bd83d7d3d40131124af4e94bc2a01a6042edfebf407a1dd", kill_on_drop: false }`
[INFO] [stdout] 90a5189a75f05a558bd83d7d3d40131124af4e94bc2a01a6042edfebf407a1dd