[INFO] cloning repository https://github.com/balakrishnanc/trfilter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/balakrishnanc/trfilter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalakrishnanc%2Ftrfilter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalakrishnanc%2Ftrfilter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9986ec5cff004216ae717db05c7356bfa91d44cf
[INFO] checking balakrishnanc/trfilter against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalakrishnanc%2Ftrfilter" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balakrishnanc/trfilter 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/balakrishnanc/trfilter
[INFO] finished tweaking git repo https://github.com/balakrishnanc/trfilter
[INFO] tweaked toml for git repo https://github.com/balakrishnanc/trfilter written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/balakrishnanc/trfilter 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]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded built v0.4.4
[INFO] [stderr]   Downloaded syn v1.0.55
[INFO] [stderr]   Downloaded cargo-lock v4.0.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 2f4a043324a7b762473b9b951e30b1bc51abbc324daa47b5f0e4d186ee9dce02
[INFO] running `Command { std: "docker" "start" "-a" "2f4a043324a7b762473b9b951e30b1bc51abbc324daa47b5f0e4d186ee9dce02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f4a043324a7b762473b9b951e30b1bc51abbc324daa47b5f0e4d186ee9dce02", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f4a043324a7b762473b9b951e30b1bc51abbc324daa47b5f0e4d186ee9dce02", kill_on_drop: false }`
[INFO] [stdout] 2f4a043324a7b762473b9b951e30b1bc51abbc324daa47b5f0e4d186ee9dce02
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 66912f5d127af0af4c8f1c889281c4c40ee0acaa3edff9355a6364cb7c61d227
[INFO] running `Command { std: "docker" "start" "-a" "66912f5d127af0af4c8f1c889281c4c40ee0acaa3edff9355a6364cb7c61d227", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.4
[INFO] [stderr]    Compiling trfilter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.29s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "66912f5d127af0af4c8f1c889281c4c40ee0acaa3edff9355a6364cb7c61d227", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66912f5d127af0af4c8f1c889281c4c40ee0acaa3edff9355a6364cb7c61d227", kill_on_drop: false }`
[INFO] [stdout] 66912f5d127af0af4c8f1c889281c4c40ee0acaa3edff9355a6364cb7c61d227
[INFO] checking balakrishnanc/trfilter against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbalakrishnanc%2Ftrfilter" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/balakrishnanc/trfilter 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/balakrishnanc/trfilter
[INFO] finished tweaking git repo https://github.com/balakrishnanc/trfilter
[INFO] tweaked toml for git repo https://github.com/balakrishnanc/trfilter written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/balakrishnanc/trfilter 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-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 4e140ee3de65f2438c52f8d42bf6eb4294babc1f9d6c7b35db1fb4b1afb0b088
[INFO] running `Command { std: "docker" "start" "-a" "4e140ee3de65f2438c52f8d42bf6eb4294babc1f9d6c7b35db1fb4b1afb0b088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e140ee3de65f2438c52f8d42bf6eb4294babc1f9d6c7b35db1fb4b1afb0b088", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e140ee3de65f2438c52f8d42bf6eb4294babc1f9d6c7b35db1fb4b1afb0b088", kill_on_drop: false }`
[INFO] [stdout] 4e140ee3de65f2438c52f8d42bf6eb4294babc1f9d6c7b35db1fb4b1afb0b088
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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] 22c9fd7c123b9bd0f840d8049d66c1520a0f2381e5956850d7e07ff122150b20
[INFO] running `Command { std: "docker" "start" "-a" "22c9fd7c123b9bd0f840d8049d66c1520a0f2381e5956850d7e07ff122150b20", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.55
[INFO] [stderr]    Compiling serde_derive v1.0.118
[INFO] [stderr]    Compiling serde v1.0.118
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling libc v0.2.81
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling tinyvec v1.1.0
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.0
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking bstr v0.2.14
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling unicode-normalization v0.1.16
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]    Compiling url v2.2.0
[INFO] [stderr]     Checking globset v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling cargo-lock v4.0.1
[INFO] [stderr]    Compiling built v0.4.4
[INFO] [stderr]    Compiling trfilter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.99s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: cargo-lock v4.0.1
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 3`
[INFO] running `Command { std: "docker" "inspect" "22c9fd7c123b9bd0f840d8049d66c1520a0f2381e5956850d7e07ff122150b20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "22c9fd7c123b9bd0f840d8049d66c1520a0f2381e5956850d7e07ff122150b20", kill_on_drop: false }`
[INFO] [stdout] 22c9fd7c123b9bd0f840d8049d66c1520a0f2381e5956850d7e07ff122150b20