[INFO] fetching crate migi 0.1.1...
[INFO] checking migi-0.1.1 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate migi 0.1.1 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate migi 0.1.1 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 migi 0.1.1
[INFO] finished tweaking crates.io crate migi 0.1.1
[INFO] tweaked toml for crates.io crate migi 0.1.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate migi 0.1.1 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 plist v1.6.0
[INFO] [stderr]   Downloaded line-wrap v0.1.1
[INFO] [stderr]   Downloaded minify-js v0.4.3
[INFO] [stderr]   Downloaded onig v6.4.0
[INFO] [stderr]   Downloaded css-minify v0.3.1
[INFO] [stderr]   Downloaded parse-js v0.10.3
[INFO] [stderr]   Downloaded minify-html-onepass v0.11.1
[INFO] [stderr]   Downloaded pulldown-cmark v0.9.3
[INFO] [stderr]   Downloaded onig_sys v69.8.1
[INFO] [stderr]   Downloaded quick-xml v0.31.0
[INFO] [stderr]   Downloaded syntect v5.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 6e7f0f03fc9948e06033f19d03743bc06a2a4c2a606e4712d05283a06402d99b
[INFO] running `Command { std: "docker" "start" "-a" "6e7f0f03fc9948e06033f19d03743bc06a2a4c2a606e4712d05283a06402d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e7f0f03fc9948e06033f19d03743bc06a2a4c2a606e4712d05283a06402d99b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e7f0f03fc9948e06033f19d03743bc06a2a4c2a606e4712d05283a06402d99b", kill_on_drop: false }`
[INFO] [stdout] 6e7f0f03fc9948e06033f19d03743bc06a2a4c2a606e4712d05283a06402d99b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] c3dfefe940de36de933b1acde27dfb782639ae6a35c13c9d50d7c0edbac8467e
[INFO] running `Command { std: "docker" "start" "-a" "c3dfefe940de36de933b1acde27dfb782639ae6a35c13c9d50d7c0edbac8467e", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking css-minify v0.3.1
[INFO] [stderr]     Checking minify-html-onepass v0.11.1
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking plist v1.6.0
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking syntect v5.1.0
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking migi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 31.63s
[INFO] running `Command { std: "docker" "inspect" "c3dfefe940de36de933b1acde27dfb782639ae6a35c13c9d50d7c0edbac8467e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3dfefe940de36de933b1acde27dfb782639ae6a35c13c9d50d7c0edbac8467e", kill_on_drop: false }`
[INFO] [stdout] c3dfefe940de36de933b1acde27dfb782639ae6a35c13c9d50d7c0edbac8467e
[INFO] checking migi-0.1.1 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate migi 0.1.1 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate migi 0.1.1 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate migi 0.1.1
[INFO] finished tweaking crates.io crate migi 0.1.1
[INFO] tweaked toml for crates.io crate migi 0.1.1 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate migi 0.1.1 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 15750507e8ae2aa1f146b093364c887fafb7e292e9ea07d3e552a9782847d410
[INFO] running `Command { std: "docker" "start" "-a" "15750507e8ae2aa1f146b093364c887fafb7e292e9ea07d3e552a9782847d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "15750507e8ae2aa1f146b093364c887fafb7e292e9ea07d3e552a9782847d410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "15750507e8ae2aa1f146b093364c887fafb7e292e9ea07d3e552a9782847d410", kill_on_drop: false }`
[INFO] [stdout] 15750507e8ae2aa1f146b093364c887fafb7e292e9ea07d3e552a9782847d410
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 968de9869eb6f05587c27e83bc6d0d373573cdb88c5628c03d73965fbde965f8
[INFO] running `Command { std: "docker" "start" "-a" "968de9869eb6f05587c27e83bc6d0d373573cdb88c5628c03d73965fbde965f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]    Compiling serde v1.0.190
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]     Checking hashbrown v0.14.2
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking powerfmt v0.2.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking time-core v0.1.2
[INFO] [stderr]    Compiling serde_json v1.0.108
[INFO] [stderr]    Compiling thiserror v1.0.50
[INFO] [stderr]    Compiling convert_case v0.4.0
[INFO] [stderr]     Checking line-wrap v0.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.9.3
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]     Checking base64 v0.21.5
[INFO] [stderr]     Checking linked-hash-map v0.5.6
[INFO] [stderr]     Checking deranged v0.3.9
[INFO] [stderr]     Checking aho-corasick v0.7.20
[INFO] [stderr]     Checking quick-xml v0.31.0
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]     Checking aho-corasick v1.1.2
[INFO] [stderr]     Checking winnow v0.5.19
[INFO] [stderr]     Checking yaml-rust v0.4.5
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking walkdir v2.4.0
[INFO] [stderr]     Checking flate2 v1.0.28
[INFO] [stderr]     Checking regex-syntax v0.7.5
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking termcolor v1.3.0
[INFO] [stderr]     Checking indexmap v2.1.0
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking parse-js v0.10.3
[INFO] [stderr]    Compiling syn v2.0.39
[INFO] [stderr]     Checking time v0.3.30
[INFO] [stderr]    Compiling cc v1.0.83
[INFO] [stderr]     Checking minify-js v0.4.3
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]    Compiling onig_sys v69.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.190
[INFO] [stderr]    Compiling thiserror-impl v1.0.50
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]     Checking css-minify v0.3.1
[INFO] [stderr]     Checking minify-html-onepass v0.11.1
[INFO] [stderr]     Checking onig v6.4.0
[INFO] [stderr]     Checking toml_datetime v0.6.5
[INFO] [stderr]     Checking serde_spanned v0.6.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking plist v1.6.0
[INFO] [stderr]     Checking toml_edit v0.20.7
[INFO] [stderr]     Checking syntect v5.1.0
[INFO] [stderr]     Checking toml v0.8.6
[INFO] [stderr]     Checking migi v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 32.37s
[INFO] running `Command { std: "docker" "inspect" "968de9869eb6f05587c27e83bc6d0d373573cdb88c5628c03d73965fbde965f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "968de9869eb6f05587c27e83bc6d0d373573cdb88c5628c03d73965fbde965f8", kill_on_drop: false }`
[INFO] [stdout] 968de9869eb6f05587c27e83bc6d0d373573cdb88c5628c03d73965fbde965f8