[INFO] fetching crate live2o3 0.0.1...
[INFO] checking live2o3-0.0.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate live2o3 0.0.1 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate live2o3 0.0.1 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 live2o3 0.0.1
[INFO] finished tweaking crates.io crate live2o3 0.0.1
[INFO] tweaked toml for crates.io crate live2o3 0.0.1 written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate crates.io crate live2o3 0.0.1 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 socket2 v0.3.12
[INFO] [stderr]   Downloaded pin-project-lite v0.1.4
[INFO] [stderr]   Downloaded crypto-mac v0.6.2
[INFO] [stderr]   Downloaded failure_derive v0.1.7
[INFO] [stderr]   Downloaded hmac v0.6.3
[INFO] [stderr]   Downloaded failure v0.1.7
[INFO] [stderr]   Downloaded digest v0.7.6
[INFO] [stderr]   Downloaded tokio v0.2.20
[INFO] [stderr]   Downloaded sha2 v0.7.1
[INFO] [stderr]   Downloaded rml_rtmp v0.3.1
[INFO] [stderr]   Downloaded futures-core v0.3.4
[INFO] [stderr]   Downloaded mio-named-pipes v0.1.6
[INFO] [stderr]   Downloaded rml_amf0 v0.1.1
[INFO] [stderr]   Downloaded block-buffer v0.3.3
[INFO] [stderr]   Downloaded generic-array v0.9.0
[INFO] [stderr]   Downloaded miow v0.3.3
[INFO] [stderr]   Downloaded mio-uds v0.6.7
[INFO] [stderr]   Downloaded arc-swap v0.4.6
[INFO] [stderr]   Downloaded signal-hook-registry v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] dc58e7d69df6b8eccb6577f657a63fb69215cbd5f49c5ad88f2a8985b3e1d903
[INFO] running `Command { std: "docker" "start" "-a" "dc58e7d69df6b8eccb6577f657a63fb69215cbd5f49c5ad88f2a8985b3e1d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dc58e7d69df6b8eccb6577f657a63fb69215cbd5f49c5ad88f2a8985b3e1d903", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc58e7d69df6b8eccb6577f657a63fb69215cbd5f49c5ad88f2a8985b3e1d903", kill_on_drop: false }`
[INFO] [stdout] dc58e7d69df6b8eccb6577f657a63fb69215cbd5f49c5ad88f2a8985b3e1d903
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] a45b0263fa0dfdd1563747b34e68e4f72562178486141af3c1faced3f81c67b0
[INFO] running `Command { std: "docker" "start" "-a" "a45b0263fa0dfdd1563747b34e68e4f72562178486141af3c1faced3f81c67b0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking rml_amf0 v0.1.1
[INFO] [stderr]     Checking rml_rtmp v0.3.1
[INFO] [stderr]     Checking live2o3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.89s
[INFO] running `Command { std: "docker" "inspect" "a45b0263fa0dfdd1563747b34e68e4f72562178486141af3c1faced3f81c67b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45b0263fa0dfdd1563747b34e68e4f72562178486141af3c1faced3f81c67b0", kill_on_drop: false }`
[INFO] [stdout] a45b0263fa0dfdd1563747b34e68e4f72562178486141af3c1faced3f81c67b0
[INFO] checking live2o3-0.0.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate live2o3 0.0.1 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate live2o3 0.0.1 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 live2o3 0.0.1
[INFO] finished tweaking crates.io crate live2o3 0.0.1
[INFO] tweaked toml for crates.io crate live2o3 0.0.1 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate live2o3 0.0.1 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-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] f14ad2bb53f8d8df3ebc263316cb03a184c46c849a3274d2eaf9aeda9a17417a
[INFO] running `Command { std: "docker" "start" "-a" "f14ad2bb53f8d8df3ebc263316cb03a184c46c849a3274d2eaf9aeda9a17417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f14ad2bb53f8d8df3ebc263316cb03a184c46c849a3274d2eaf9aeda9a17417a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f14ad2bb53f8d8df3ebc263316cb03a184c46c849a3274d2eaf9aeda9a17417a", kill_on_drop: false }`
[INFO] [stdout] f14ad2bb53f8d8df3ebc263316cb03a184c46c849a3274d2eaf9aeda9a17417a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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] 7cd628b0fa95960261c58022806bf50540dcd2bd1a6fc13b3aa8bddd52e04b0a
[INFO] running `Command { std: "docker" "start" "-a" "7cd628b0fa95960261c58022806bf50540dcd2bd1a6fc13b3aa8bddd52e04b0a", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling typenum v1.12.0
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking rustc-demangle v0.1.16
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]     Checking constant_time_eq v0.1.5
[INFO] [stderr]     Checking arrayref v0.3.6
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byte-tools v0.2.0
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking arc-swap v0.4.6
[INFO] [stderr]     Checking fake-simd v0.1.2
[INFO] [stderr]     Checking block-buffer v0.3.3
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]     Checking futures-core v0.3.4
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.36
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking generic-array v0.9.0
[INFO] [stderr]     Checking digest v0.7.6
[INFO] [stderr]     Checking crypto-mac v0.6.2
[INFO] [stderr]     Checking hmac v0.6.3
[INFO] [stderr]     Checking sha2 v0.7.1
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking backtrace v0.3.46
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling tokio-macros v0.2.5
[INFO] [stderr]     Checking tokio v0.2.20
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]     Checking rml_amf0 v0.1.1
[INFO] [stderr]     Checking rml_rtmp v0.3.1
[INFO] [stderr]     Checking live2o3 v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.90s
[INFO] running `Command { std: "docker" "inspect" "7cd628b0fa95960261c58022806bf50540dcd2bd1a6fc13b3aa8bddd52e04b0a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cd628b0fa95960261c58022806bf50540dcd2bd1a6fc13b3aa8bddd52e04b0a", kill_on_drop: false }`
[INFO] [stdout] 7cd628b0fa95960261c58022806bf50540dcd2bd1a6fc13b3aa8bddd52e04b0a