[INFO] fetching crate fiscalprinter 1.1.1...
[INFO] checking fiscalprinter-1.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate fiscalprinter 1.1.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate fiscalprinter 1.1.1 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 fiscalprinter 1.1.1
[INFO] finished tweaking crates.io crate fiscalprinter 1.1.1
[INFO] tweaked toml for crates.io crate fiscalprinter 1.1.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate fiscalprinter 1.1.1 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 IOKit-sys v0.1.5
[INFO] [stderr]   Downloaded libudev v0.3.0
[INFO] [stderr]   Downloaded CoreFoundation-sys v0.1.4
[INFO] [stderr]   Downloaded mach v0.1.2
[INFO] [stderr]   Downloaded getrandom v0.2.8
[INFO] [stderr]   Downloaded aho-corasick v0.7.19
[INFO] [stderr]   Downloaded serialport v4.2.0
[INFO] [stderr]   Downloaded nix v0.24.2
[INFO] [stderr]   Downloaded libc v0.2.135
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3c79e7997cd8708c699c1a0ee6972aa6c295179848c92f73f9f26cbc2ab0cdda
[INFO] running `Command { std: "docker" "start" "-a" "3c79e7997cd8708c699c1a0ee6972aa6c295179848c92f73f9f26cbc2ab0cdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c79e7997cd8708c699c1a0ee6972aa6c295179848c92f73f9f26cbc2ab0cdda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c79e7997cd8708c699c1a0ee6972aa6c295179848c92f73f9f26cbc2ab0cdda", kill_on_drop: false }`
[INFO] [stdout] 3c79e7997cd8708c699c1a0ee6972aa6c295179848c92f73f9f26cbc2ab0cdda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7a5120e6ff8610e4bca381196e1ef27d460af7db2e4cbeefbe8fb6ac03f3ede3
[INFO] running `Command { std: "docker" "start" "-a" "7a5120e6ff8610e4bca381196e1ef27d460af7db2e4cbeefbe8fb6ac03f3ede3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking fiscalprinter v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "7a5120e6ff8610e4bca381196e1ef27d460af7db2e4cbeefbe8fb6ac03f3ede3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7a5120e6ff8610e4bca381196e1ef27d460af7db2e4cbeefbe8fb6ac03f3ede3", kill_on_drop: false }`
[INFO] [stdout] 7a5120e6ff8610e4bca381196e1ef27d460af7db2e4cbeefbe8fb6ac03f3ede3
[INFO] checking fiscalprinter-1.1.1 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate fiscalprinter 1.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate fiscalprinter 1.1.1 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 fiscalprinter 1.1.1
[INFO] finished tweaking crates.io crate fiscalprinter 1.1.1
[INFO] tweaked toml for crates.io crate fiscalprinter 1.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate crates.io crate fiscalprinter 1.1.1 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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] f4184f9bc6665a6e56d301e9f97088c01e4ebdb74c1df41e235a5c6751962cfe
[INFO] running `Command { std: "docker" "start" "-a" "f4184f9bc6665a6e56d301e9f97088c01e4ebdb74c1df41e235a5c6751962cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4184f9bc6665a6e56d301e9f97088c01e4ebdb74c1df41e235a5c6751962cfe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4184f9bc6665a6e56d301e9f97088c01e4ebdb74c1df41e235a5c6751962cfe", kill_on_drop: false }`
[INFO] [stdout] f4184f9bc6665a6e56d301e9f97088c01e4ebdb74c1df41e235a5c6751962cfe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 979c7d2d76eef25266def06566578570dc233dcf3f664953b9f2385819d5e73d
[INFO] running `Command { std: "docker" "start" "-a" "979c7d2d76eef25266def06566578570dc233dcf3f664953b9f2385819d5e73d", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling libudev-sys v0.1.4
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking nix v0.24.2
[INFO] [stderr]     Checking libudev v0.3.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking serialport v4.2.0
[INFO] [stderr]     Checking fiscalprinter v1.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "979c7d2d76eef25266def06566578570dc233dcf3f664953b9f2385819d5e73d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "979c7d2d76eef25266def06566578570dc233dcf3f664953b9f2385819d5e73d", kill_on_drop: false }`
[INFO] [stdout] 979c7d2d76eef25266def06566578570dc233dcf3f664953b9f2385819d5e73d