[INFO] cloning repository https://github.com/merrilymeredith/calajson
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/merrilymeredith/calajson" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6996491ed1737d17452f807db796943da815d58b
[INFO] checking merrilymeredith/calajson against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merrilymeredith/calajson 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 git repo https://github.com/merrilymeredith/calajson
[INFO] finished tweaking git repo https://github.com/merrilymeredith/calajson
[INFO] tweaked toml for git repo https://github.com/merrilymeredith/calajson written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/merrilymeredith/calajson 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded failure_derive v0.1.4
[INFO] [stderr]   Downloaded serde v1.0.84
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded failure v0.1.4
[INFO] [stderr]   Downloaded redox_syscall v0.1.50
[INFO] [stderr]   Downloaded quick-xml v0.13.1
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded backtrace-sys v0.1.28
[INFO] [stderr]   Downloaded crc32fast v1.1.2
[INFO] [stderr]   Downloaded libflate v0.1.19
[INFO] [stderr]   Downloaded zip v0.5.0
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded encoding_rs v0.8.13
[INFO] [stderr]   Downloaded serde_json v1.0.34
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded calamine v0.14.10
[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] 795cd63bb0becbe7403f527c948bffa442a41d18d796c3eced24513f120bf9f9
[INFO] running `Command { std: "docker" "start" "-a" "795cd63bb0becbe7403f527c948bffa442a41d18d796c3eced24513f120bf9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "795cd63bb0becbe7403f527c948bffa442a41d18d796c3eced24513f120bf9f9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "795cd63bb0becbe7403f527c948bffa442a41d18d796c3eced24513f120bf9f9", kill_on_drop: false }`
[INFO] [stdout] 795cd63bb0becbe7403f527c948bffa442a41d18d796c3eced24513f120bf9f9
[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] 4766f34a3c3e286f2c9a06a2a7c821bc103c7ce9ee353dd4f9d171ae556b8f2f
[INFO] running `Command { std: "docker" "start" "-a" "4766f34a3c3e286f2c9a06a2a7c821bc103c7ce9ee353dd4f9d171ae556b8f2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking quick-xml v0.13.1
[INFO] [stderr]     Checking calamine v0.14.10
[INFO] [stderr]     Checking calajson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.74s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "4766f34a3c3e286f2c9a06a2a7c821bc103c7ce9ee353dd4f9d171ae556b8f2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4766f34a3c3e286f2c9a06a2a7c821bc103c7ce9ee353dd4f9d171ae556b8f2f", kill_on_drop: false }`
[INFO] [stdout] 4766f34a3c3e286f2c9a06a2a7c821bc103c7ce9ee353dd4f9d171ae556b8f2f
[INFO] checking merrilymeredith/calajson against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmerrilymeredith%2Fcalajson" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/merrilymeredith/calajson 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 git repo https://github.com/merrilymeredith/calajson
[INFO] finished tweaking git repo https://github.com/merrilymeredith/calajson
[INFO] tweaked toml for git repo https://github.com/merrilymeredith/calajson written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/merrilymeredith/calajson 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] eae454206692d8cbe023d6e6c9a496b598dc6b4b360f4173937d4f189f075742
[INFO] running `Command { std: "docker" "start" "-a" "eae454206692d8cbe023d6e6c9a496b598dc6b4b360f4173937d4f189f075742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eae454206692d8cbe023d6e6c9a496b598dc6b4b360f4173937d4f189f075742", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eae454206692d8cbe023d6e6c9a496b598dc6b4b360f4173937d4f189f075742", kill_on_drop: false }`
[INFO] [stdout] eae454206692d8cbe023d6e6c9a496b598dc6b4b360f4173937d4f189f075742
[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] 78d0a83856b07e2699888c5ec75ef8c16ab87511cf52c4e07b39e60d92866211
[INFO] running `Command { std: "docker" "start" "-a" "78d0a83856b07e2699888c5ec75ef8c16ab87511cf52c4e07b39e60d92866211", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.6
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling cc v1.0.28
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]    Compiling crc32fast v1.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.4
[INFO] [stderr]    Compiling encoding_rs v0.8.13
[INFO] [stderr]    Compiling serde v1.0.84
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling memchr v2.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.11
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]     Checking adler32 v1.0.3
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking libflate v0.1.19
[INFO] [stderr]     Checking unicode-width v0.1.5
[INFO] [stderr]     Checking podio v0.1.6
[INFO] [stderr]     Checking textwrap v0.10.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking bitflags v1.0.4
[INFO] [stderr]     Checking strsim v0.7.0
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]     Checking clap v2.32.0
[INFO] [stderr]     Checking zip v0.5.0
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]     Checking serde_json v1.0.34
[INFO] [stderr]     Checking failure v0.1.4
[INFO] [stderr]     Checking quick-xml v0.13.1
[INFO] [stderr]     Checking calamine v0.14.10
[INFO] [stderr]     Checking calajson v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.63s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.13.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "78d0a83856b07e2699888c5ec75ef8c16ab87511cf52c4e07b39e60d92866211", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d0a83856b07e2699888c5ec75ef8c16ab87511cf52c4e07b39e60d92866211", kill_on_drop: false }`
[INFO] [stdout] 78d0a83856b07e2699888c5ec75ef8c16ab87511cf52c4e07b39e60d92866211