[INFO] fetching crate typemaster 0.2.3...
[INFO] checking typemaster-0.2.3 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate typemaster 0.2.3 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate typemaster 0.2.3 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 typemaster 0.2.3
[INFO] finished tweaking crates.io crate typemaster 0.2.3
[INFO] tweaked toml for crates.io crate typemaster 0.2.3 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate typemaster 0.2.3 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]  Downloading crates ...
[INFO] [stderr]   Downloaded crossterm v0.19.0
[INFO] [stderr]   Downloaded crossterm_winapi v0.7.0
[INFO] [stderr]   Downloaded lock_api v0.4.2
[INFO] [stderr]   Downloaded mio v0.7.8
[INFO] [stderr]   Downloaded redox_syscall v0.2.5
[INFO] [stderr]   Downloaded miow v0.3.6
[INFO] [stderr]   Downloaded signal-hook v0.1.17
[INFO] [stderr]   Downloaded console_engine v1.5.0
[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] 2b8c9dac1f61376a6d41fad7a4b3ceb714fa17ad3344690280d6320fd9e6c362
[INFO] running `Command { std: "docker" "start" "-a" "2b8c9dac1f61376a6d41fad7a4b3ceb714fa17ad3344690280d6320fd9e6c362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b8c9dac1f61376a6d41fad7a4b3ceb714fa17ad3344690280d6320fd9e6c362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b8c9dac1f61376a6d41fad7a4b3ceb714fa17ad3344690280d6320fd9e6c362", kill_on_drop: false }`
[INFO] [stdout] 2b8c9dac1f61376a6d41fad7a4b3ceb714fa17ad3344690280d6320fd9e6c362
[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] ba6b9855faf6520728ba5845b1a11ab84dc1ea464f495a3177de858cbef6c541
[INFO] running `Command { std: "docker" "start" "-a" "ba6b9855faf6520728ba5845b1a11ab84dc1ea464f495a3177de858cbef6c541", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking console_engine v1.5.0
[INFO] [stderr]     Checking typemaster v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` 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 4.78s
[INFO] running `Command { std: "docker" "inspect" "ba6b9855faf6520728ba5845b1a11ab84dc1ea464f495a3177de858cbef6c541", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba6b9855faf6520728ba5845b1a11ab84dc1ea464f495a3177de858cbef6c541", kill_on_drop: false }`
[INFO] [stdout] ba6b9855faf6520728ba5845b1a11ab84dc1ea464f495a3177de858cbef6c541
[INFO] checking typemaster-0.2.3 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate typemaster 0.2.3 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate typemaster 0.2.3 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 typemaster 0.2.3
[INFO] finished tweaking crates.io crate typemaster 0.2.3
[INFO] tweaked toml for crates.io crate typemaster 0.2.3 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate typemaster 0.2.3 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-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] 588b2bca1b8bed9b9d269c51f858e089d987d64c6ec2e5a79037769c7a6f377f
[INFO] running `Command { std: "docker" "start" "-a" "588b2bca1b8bed9b9d269c51f858e089d987d64c6ec2e5a79037769c7a6f377f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "588b2bca1b8bed9b9d269c51f858e089d987d64c6ec2e5a79037769c7a6f377f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "588b2bca1b8bed9b9d269c51f858e089d987d64c6ec2e5a79037769c7a6f377f", kill_on_drop: false }`
[INFO] [stdout] 588b2bca1b8bed9b9d269c51f858e089d987d64c6ec2e5a79037769c7a6f377f
[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] 79e473c0d965f0beea7c8713178325cacbca5898b9b7fcd945f23d0b72e0b715
[INFO] running `Command { std: "docker" "start" "-a" "79e473c0d965f0beea7c8713178325cacbca5898b9b7fcd945f23d0b72e0b715", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.86
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]     Checking instant v0.1.9
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking lock_api v0.4.2
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking mio v0.7.8
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking signal-hook v0.1.17
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking crossterm v0.19.0
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking console_engine v1.5.0
[INFO] [stderr]     Checking typemaster v0.2.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: found module declaration for lib.rs
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | mod lib;
[INFO] [stdout]   | ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: lib.rs is the root of this crate's library target
[INFO] [stdout]   = help: to refer to it from other targets, use the library's name as the path
[INFO] [stdout]   = note: `#[warn(special_module_name)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.42s
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "79e473c0d965f0beea7c8713178325cacbca5898b9b7fcd945f23d0b72e0b715", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79e473c0d965f0beea7c8713178325cacbca5898b9b7fcd945f23d0b72e0b715", kill_on_drop: false }`
[INFO] [stdout] 79e473c0d965f0beea7c8713178325cacbca5898b9b7fcd945f23d0b72e0b715