[INFO] fetching crate bmw 0.3.0...
[INFO] checking bmw-0.3.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate bmw 0.3.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate bmw 0.3.0 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 bmw 0.3.0
[INFO] finished tweaking crates.io crate bmw 0.3.0
[INFO] tweaked toml for crates.io crate bmw 0.3.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate bmw 0.3.0 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded libudev-sys v0.1.4
[INFO] [stderr]   Downloaded bmw-derive v0.1.0
[INFO] [stderr]   Downloaded pkg-config v0.3.24
[INFO] [stderr]   Downloaded udev v0.6.3
[INFO] [stderr]   Downloaded mio v0.8.2
[INFO] [stderr]   Downloaded anyhow v1.0.56
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded libc v0.2.121
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded ntapi v0.3.7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 48a9b874970ee1e8be81409899acba461728ea76aa21f50959d52853154fd7a2
[INFO] running `Command { std: "docker" "start" "-a" "48a9b874970ee1e8be81409899acba461728ea76aa21f50959d52853154fd7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48a9b874970ee1e8be81409899acba461728ea76aa21f50959d52853154fd7a2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a9b874970ee1e8be81409899acba461728ea76aa21f50959d52853154fd7a2", kill_on_drop: false }`
[INFO] [stdout] 48a9b874970ee1e8be81409899acba461728ea76aa21f50959d52853154fd7a2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 3969934a6ad9d3f2fb2b46a207d57855880ae8c5b9d96af4ed3b892011ae6d32
[INFO] running `Command { std: "docker" "start" "-a" "3969934a6ad9d3f2fb2b46a207d57855880ae8c5b9d96af4ed3b892011ae6d32", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking udev v0.6.3
[INFO] [stderr]    Compiling bmw-derive v0.1.0
[INFO] [stderr]     Checking bmw v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         t: crate::plugin::EventType,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charger`
[INFO] [stdout]   --> src/log.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         charger: &dyn crate::charger::ChargerBase,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         t: crate::plugin::EventType,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charger`
[INFO] [stdout]   --> src/log.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         charger: &dyn crate::charger::ChargerBase,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.08s
[INFO] running `Command { std: "docker" "inspect" "3969934a6ad9d3f2fb2b46a207d57855880ae8c5b9d96af4ed3b892011ae6d32", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3969934a6ad9d3f2fb2b46a207d57855880ae8c5b9d96af4ed3b892011ae6d32", kill_on_drop: false }`
[INFO] [stdout] 3969934a6ad9d3f2fb2b46a207d57855880ae8c5b9d96af4ed3b892011ae6d32
[INFO] checking bmw-0.3.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate bmw 0.3.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate bmw 0.3.0 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 bmw 0.3.0
[INFO] finished tweaking crates.io crate bmw 0.3.0
[INFO] tweaked toml for crates.io crate bmw 0.3.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate bmw 0.3.0 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 068b1b03731f1c1a0adb37e983c3be20e7bd6edacc71633f28708c4c44c30174
[INFO] running `Command { std: "docker" "start" "-a" "068b1b03731f1c1a0adb37e983c3be20e7bd6edacc71633f28708c4c44c30174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "068b1b03731f1c1a0adb37e983c3be20e7bd6edacc71633f28708c4c44c30174", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "068b1b03731f1c1a0adb37e983c3be20e7bd6edacc71633f28708c4c44c30174", kill_on_drop: false }`
[INFO] [stdout] 068b1b03731f1c1a0adb37e983c3be20e7bd6edacc71633f28708c4c44c30174
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 220a78c4382b33937be274a63eb8a0f577f4cdcb743d58995013d2ce2f30c419
[INFO] running `Command { std: "docker" "start" "-a" "220a78c4382b33937be274a63eb8a0f577f4cdcb743d58995013d2ce2f30c419", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling anyhow v1.0.56
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking mio v0.8.2
[INFO] [stderr]     Checking udev v0.6.3
[INFO] [stderr]    Compiling bmw-derive v0.1.0
[INFO] [stderr]     Checking bmw v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         t: crate::plugin::EventType,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charger`
[INFO] [stdout]   --> src/log.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         charger: &dyn crate::charger::ChargerBase,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charger`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `t`
[INFO] [stdout]   --> src/log.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         t: crate::plugin::EventType,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_t`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `charger`
[INFO] [stdout]   --> src/log.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         charger: &dyn crate::charger::ChargerBase,
[INFO] [stdout]    |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_charger`
[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 4.33s
[INFO] running `Command { std: "docker" "inspect" "220a78c4382b33937be274a63eb8a0f577f4cdcb743d58995013d2ce2f30c419", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "220a78c4382b33937be274a63eb8a0f577f4cdcb743d58995013d2ce2f30c419", kill_on_drop: false }`
[INFO] [stdout] 220a78c4382b33937be274a63eb8a0f577f4cdcb743d58995013d2ce2f30c419