[INFO] fetching crate dag_compute 0.1.0...
[INFO] checking dag_compute-0.1.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate dag_compute 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate dag_compute 0.1.0 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 dag_compute 0.1.0
[INFO] finished tweaking crates.io crate dag_compute 0.1.0
[INFO] tweaked toml for crates.io crate dag_compute 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate crates.io crate dag_compute 0.1.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded riff v1.0.1
[INFO] [stderr]   Downloaded version-sync v0.9.4
[INFO] [stderr]   Downloaded proc-macro2 v1.0.34
[INFO] [stderr]   Downloaded wav v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.112
[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] b98cb2cd5dc8c2f1e2afcff9bc211012e12e5869b18ce69fd084892e4c80b9de
[INFO] running `Command { std: "docker" "start" "-a" "b98cb2cd5dc8c2f1e2afcff9bc211012e12e5869b18ce69fd084892e4c80b9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b98cb2cd5dc8c2f1e2afcff9bc211012e12e5869b18ce69fd084892e4c80b9de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b98cb2cd5dc8c2f1e2afcff9bc211012e12e5869b18ce69fd084892e4c80b9de", kill_on_drop: false }`
[INFO] [stdout] b98cb2cd5dc8c2f1e2afcff9bc211012e12e5869b18ce69fd084892e4c80b9de
[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] c6fd3cfbfe7ce316c563a33b831f1f402489047771094f10601dab2b53213563
[INFO] running `Command { std: "docker" "start" "-a" "c6fd3cfbfe7ce316c563a33b831f1f402489047771094f10601dab2b53213563", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking dag_compute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking version-sync v0.9.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.27s
[INFO] running `Command { std: "docker" "inspect" "c6fd3cfbfe7ce316c563a33b831f1f402489047771094f10601dab2b53213563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6fd3cfbfe7ce316c563a33b831f1f402489047771094f10601dab2b53213563", kill_on_drop: false }`
[INFO] [stdout] c6fd3cfbfe7ce316c563a33b831f1f402489047771094f10601dab2b53213563
[INFO] checking dag_compute-0.1.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate dag_compute 0.1.0 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate dag_compute 0.1.0 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 dag_compute 0.1.0
[INFO] finished tweaking crates.io crate dag_compute 0.1.0
[INFO] tweaked toml for crates.io crate dag_compute 0.1.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate crates.io crate dag_compute 0.1.0 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] 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] efbf4bc3c560f71f11f6d99ada59b441c92cbfb709828d771205c98a83a44dab
[INFO] running `Command { std: "docker" "start" "-a" "efbf4bc3c560f71f11f6d99ada59b441c92cbfb709828d771205c98a83a44dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "efbf4bc3c560f71f11f6d99ada59b441c92cbfb709828d771205c98a83a44dab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efbf4bc3c560f71f11f6d99ada59b441c92cbfb709828d771205c98a83a44dab", kill_on_drop: false }`
[INFO] [stdout] efbf4bc3c560f71f11f6d99ada59b441c92cbfb709828d771205c98a83a44dab
[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] 8abc88940cd730423a4696eba89124b3bb9f968346642bce9bbbcfb628032f8d
[INFO] running `Command { std: "docker" "start" "-a" "8abc88940cd730423a4696eba89124b3bb9f968346642bce9bbbcfb628032f8d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]    Compiling proc-macro2 v1.0.34
[INFO] [stderr]     Checking tinyvec v1.5.1
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling semver v1.0.4
[INFO] [stderr]     Checking unicode-bidi v0.3.7
[INFO] [stderr]     Checking riff v1.0.1
[INFO] [stderr]    Compiling slotmap v1.0.6
[INFO] [stderr]     Checking wav v1.0.0
[INFO] [stderr]     Checking quote v1.0.10
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking dag_compute v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking version-sync v0.9.4
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.89s
[INFO] running `Command { std: "docker" "inspect" "8abc88940cd730423a4696eba89124b3bb9f968346642bce9bbbcfb628032f8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8abc88940cd730423a4696eba89124b3bb9f968346642bce9bbbcfb628032f8d", kill_on_drop: false }`
[INFO] [stdout] 8abc88940cd730423a4696eba89124b3bb9f968346642bce9bbbcfb628032f8d