[INFO] fetching crate rssg 1.8.0...
[INFO] checking rssg-1.8.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] extracting crate rssg 1.8.0 into /workspace/builds/worker-2-tc1/source
[INFO] validating manifest of crates.io crate rssg 1.8.0 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 rssg 1.8.0
[INFO] finished tweaking crates.io crate rssg 1.8.0
[INFO] tweaked toml for crates.io crate rssg 1.8.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate crates.io crate rssg 1.8.0 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded sha2 v0.10.6
[INFO] [stderr]   Downloaded serde v1.0.158
[INFO] [stderr]   Downloaded toml v0.8.0
[INFO] [stderr]   Downloaded sarge v5.0.0
[INFO] [stderr]   Downloaded unsafe-libyaml v0.2.7
[INFO] [stderr]   Downloaded serde_yaml v0.9.19
[INFO] [stderr]   Downloaded regex v1.7.3
[INFO] [stderr]   Downloaded cpufeatures v0.2.6
[INFO] [stderr]   Downloaded toml_edit v0.20.0
[INFO] [stderr]   Downloaded serde_derive v1.0.158
[INFO] [stderr]   Downloaded yaml-front-matter v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 44bb2d83fc11b26965f25e55d030f66981d168608627bd1b5cc99552d6c63c1c
[INFO] running `Command { std: "docker" "start" "-a" "44bb2d83fc11b26965f25e55d030f66981d168608627bd1b5cc99552d6c63c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "44bb2d83fc11b26965f25e55d030f66981d168608627bd1b5cc99552d6c63c1c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44bb2d83fc11b26965f25e55d030f66981d168608627bd1b5cc99552d6c63c1c", kill_on_drop: false }`
[INFO] [stdout] 44bb2d83fc11b26965f25e55d030f66981d168608627bd1b5cc99552d6c63c1c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 6f03053cea9498aec1a694e67abded21368a49cdf4c0fe5e4801a26cb2b0a12b
[INFO] running `Command { std: "docker" "start" "-a" "6f03053cea9498aec1a694e67abded21368a49cdf4c0fe5e4801a26cb2b0a12b", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking unsafe-libyaml v0.2.7
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking sarge v5.0.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde_yaml v0.9.19
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]     Checking yaml-front-matter v0.1.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking rssg v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `Command { std: "docker" "inspect" "6f03053cea9498aec1a694e67abded21368a49cdf4c0fe5e4801a26cb2b0a12b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f03053cea9498aec1a694e67abded21368a49cdf4c0fe5e4801a26cb2b0a12b", kill_on_drop: false }`
[INFO] [stdout] 6f03053cea9498aec1a694e67abded21368a49cdf4c0fe5e4801a26cb2b0a12b
[INFO] checking rssg-1.8.0 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] extracting crate rssg 1.8.0 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate rssg 1.8.0 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 rssg 1.8.0
[INFO] finished tweaking crates.io crate rssg 1.8.0
[INFO] tweaked toml for crates.io crate rssg 1.8.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate rssg 1.8.0 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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 5122437dc0025849996d7c2278268c50387d71eacd1998d2395740b2de1ceeeb
[INFO] running `Command { std: "docker" "start" "-a" "5122437dc0025849996d7c2278268c50387d71eacd1998d2395740b2de1ceeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5122437dc0025849996d7c2278268c50387d71eacd1998d2395740b2de1ceeeb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5122437dc0025849996d7c2278268c50387d71eacd1998d2395740b2de1ceeeb", kill_on_drop: false }`
[INFO] [stdout] 5122437dc0025849996d7c2278268c50387d71eacd1998d2395740b2de1ceeeb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 434c22934ce3af2bed2ec8b3c0b6e65874d415e5a04bef01fdadaeb694487588
[INFO] running `Command { std: "docker" "start" "-a" "434c22934ce3af2bed2ec8b3c0b6e65874d415e5a04bef01fdadaeb694487588", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling unicode-ident v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.158
[INFO] [stderr]    Compiling serde v1.0.158
[INFO] [stderr]    Compiling typenum v1.16.0
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.0
[INFO] [stderr]     Checking ryu v1.0.13
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking winnow v0.5.15
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking cpufeatures v0.2.6
[INFO] [stderr]     Checking unsafe-libyaml v0.2.7
[INFO] [stderr]     Checking itoa v1.0.6
[INFO] [stderr]     Checking sarge v5.0.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling generic-array v0.14.6
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking indexmap v2.0.0
[INFO] [stderr]     Checking fern v0.6.2
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking block-buffer v0.10.4
[INFO] [stderr]     Checking crypto-common v0.1.6
[INFO] [stderr]     Checking regex v1.7.3
[INFO] [stderr]     Checking digest v0.10.6
[INFO] [stderr]     Checking sha2 v0.10.6
[INFO] [stderr]     Checking fancy-regex v0.11.0
[INFO] [stderr]     Checking serde_spanned v0.6.3
[INFO] [stderr]     Checking toml_datetime v0.6.3
[INFO] [stderr]     Checking serde_yaml v0.8.26
[INFO] [stderr]     Checking serde_yaml v0.9.19
[INFO] [stderr]     Checking toml_edit v0.20.0
[INFO] [stderr]     Checking yaml-front-matter v0.1.0
[INFO] [stderr]     Checking toml v0.8.0
[INFO] [stderr]     Checking rssg v1.8.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.43s
[INFO] running `Command { std: "docker" "inspect" "434c22934ce3af2bed2ec8b3c0b6e65874d415e5a04bef01fdadaeb694487588", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "434c22934ce3af2bed2ec8b3c0b6e65874d415e5a04bef01fdadaeb694487588", kill_on_drop: false }`
[INFO] [stdout] 434c22934ce3af2bed2ec8b3c0b6e65874d415e5a04bef01fdadaeb694487588