[INFO] fetching crate ohnomore-utils 0.5.0...
[INFO] checking ohnomore-utils-0.5.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate ohnomore-utils 0.5.0 into /workspace/builds/worker-5-tc1/source
[INFO] validating manifest of crates.io crate ohnomore-utils 0.5.0 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 ohnomore-utils 0.5.0
[INFO] finished tweaking crates.io crate ohnomore-utils 0.5.0
[INFO] tweaked toml for crates.io crate ohnomore-utils 0.5.0 written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate crates.io crate ohnomore-utils 0.5.0 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]  Downloading crates ...
[INFO] [stderr]   Downloaded seqalign v0.2.2
[INFO] [stderr]   Downloaded caseless v0.2.1
[INFO] [stderr]   Downloaded conllu v0.8.0
[INFO] [stderr]   Downloaded udgraph v0.8.0
[INFO] [stderr]   Downloaded stdinout v0.4.1
[INFO] [stderr]   Downloaded ohnomore v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ef3c7247159af74b59adc027108708936a3fabe55749a8fb521f3c4529539f66
[INFO] running `Command { std: "docker" "start" "-a" "ef3c7247159af74b59adc027108708936a3fabe55749a8fb521f3c4529539f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ef3c7247159af74b59adc027108708936a3fabe55749a8fb521f3c4529539f66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ef3c7247159af74b59adc027108708936a3fabe55749a8fb521f3c4529539f66", kill_on_drop: false }`
[INFO] [stdout] ef3c7247159af74b59adc027108708936a3fabe55749a8fb521f3c4529539f66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] 44e10fab7da2b976f7a98d477d5dbfee878349d624717fe12104a3ce699db9a6
[INFO] running `Command { std: "docker" "start" "-a" "44e10fab7da2b976f7a98d477d5dbfee878349d624717fe12104a3ce699db9a6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking seqalign v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking udgraph v0.8.0
[INFO] [stderr]     Checking conllu v0.8.0
[INFO] [stderr]     Checking ohnomore v0.5.0
[INFO] [stderr]     Checking ohnomore-utils v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.87s
[INFO] running `Command { std: "docker" "inspect" "44e10fab7da2b976f7a98d477d5dbfee878349d624717fe12104a3ce699db9a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44e10fab7da2b976f7a98d477d5dbfee878349d624717fe12104a3ce699db9a6", kill_on_drop: false }`
[INFO] [stdout] 44e10fab7da2b976f7a98d477d5dbfee878349d624717fe12104a3ce699db9a6
[INFO] checking ohnomore-utils-0.5.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate ohnomore-utils 0.5.0 into /workspace/builds/worker-5-tc2/source
[INFO] validating manifest of crates.io crate ohnomore-utils 0.5.0 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 ohnomore-utils 0.5.0
[INFO] finished tweaking crates.io crate ohnomore-utils 0.5.0
[INFO] tweaked toml for crates.io crate ohnomore-utils 0.5.0 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate crates.io crate ohnomore-utils 0.5.0 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" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] c8eb6cdf80bd1e410588baeb52d58bfb0410c5d0448150e745590959584d855d
[INFO] running `Command { std: "docker" "start" "-a" "c8eb6cdf80bd1e410588baeb52d58bfb0410c5d0448150e745590959584d855d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c8eb6cdf80bd1e410588baeb52d58bfb0410c5d0448150e745590959584d855d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c8eb6cdf80bd1e410588baeb52d58bfb0410c5d0448150e745590959584d855d", kill_on_drop: false }`
[INFO] [stdout] c8eb6cdf80bd1e410588baeb52d58bfb0410c5d0448150e745590959584d855d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] ea2b66fecf04bca9f0ee1bc86dd4073726978bbf6a9cd133a13dc4465f391cda
[INFO] running `Command { std: "docker" "start" "-a" "ea2b66fecf04bca9f0ee1bc86dd4073726978bbf6a9cd133a13dc4465f391cda", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.38
[INFO] [stderr]    Compiling unicode-xid v0.2.3
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]     Checking hashbrown v0.11.2
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]     Checking fixedbitset v0.4.1
[INFO] [stderr]     Checking tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking seqalign v0.2.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking maplit v1.0.2
[INFO] [stderr]     Checking stdinout v0.4.1
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]     Checking unicode-normalization v0.1.19
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking petgraph v0.6.0
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]    Compiling caseless v0.2.1
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking udgraph v0.8.0
[INFO] [stderr]     Checking ohnomore v0.5.0
[INFO] [stderr]     Checking conllu v0.8.0
[INFO] [stderr]     Checking ohnomore-utils v0.5.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.16s
[INFO] running `Command { std: "docker" "inspect" "ea2b66fecf04bca9f0ee1bc86dd4073726978bbf6a9cd133a13dc4465f391cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ea2b66fecf04bca9f0ee1bc86dd4073726978bbf6a9cd133a13dc4465f391cda", kill_on_drop: false }`
[INFO] [stdout] ea2b66fecf04bca9f0ee1bc86dd4073726978bbf6a9cd133a13dc4465f391cda