[INFO] fetching crate proteinogenic 0.2.0...
[INFO] checking proteinogenic-0.2.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never
[INFO] extracting crate proteinogenic 0.2.0 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate proteinogenic 0.2.0 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 proteinogenic 0.2.0
[INFO] finished tweaking crates.io crate proteinogenic 0.2.0
[INFO] tweaked toml for crates.io crate proteinogenic 0.2.0 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding quick-xml v0.22.0 (latest: v0.31.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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]  Downloading crates ...
[INFO] [stderr]   Downloaded purr v0.9.0
[INFO] [stderr]   Downloaded pubchem v0.1.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] a02cd830bc935793114aaf8669fcec37e17f76b82635658bf8f2e2d81d99366a
[INFO] running `Command { std: "docker" "start" "-a" "a02cd830bc935793114aaf8669fcec37e17f76b82635658bf8f2e2d81d99366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a02cd830bc935793114aaf8669fcec37e17f76b82635658bf8f2e2d81d99366a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a02cd830bc935793114aaf8669fcec37e17f76b82635658bf8f2e2d81d99366a", kill_on_drop: false }`
[INFO] [stdout] a02cd830bc935793114aaf8669fcec37e17f76b82635658bf8f2e2d81d99366a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3742972dcc3fe017bf96d05cc57a1ffba76c6194054533fdc9a8bc7d4b3913e2
[INFO] running `Command { std: "docker" "start" "-a" "3742972dcc3fe017bf96d05cc57a1ffba76c6194054533fdc9a8bc7d4b3913e2", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking purr v0.9.0
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking proteinogenic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking pubchem v0.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 19.56s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[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" "3742972dcc3fe017bf96d05cc57a1ffba76c6194054533fdc9a8bc7d4b3913e2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3742972dcc3fe017bf96d05cc57a1ffba76c6194054533fdc9a8bc7d4b3913e2", kill_on_drop: false }`
[INFO] [stdout] 3742972dcc3fe017bf96d05cc57a1ffba76c6194054533fdc9a8bc7d4b3913e2
[INFO] checking proteinogenic-0.2.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never
[INFO] extracting crate proteinogenic 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] validating manifest of crates.io crate proteinogenic 0.2.0 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 proteinogenic 0.2.0
[INFO] finished tweaking crates.io crate proteinogenic 0.2.0
[INFO] tweaked toml for crates.io crate proteinogenic 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 47 packages
[INFO] [stderr]       Adding base64 v0.21.7 (latest: v0.22.0)
[INFO] [stderr]       Adding quick-xml v0.22.0 (latest: v0.31.0)
[INFO] [stderr]       Adding rustls v0.22.3 (latest: v0.23.4)
[INFO] [stderr]       Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0)
[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-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] b1b6b58f17381589f3a212b18df041e4ca66aaba773b84cd4f18fb0dc7cc8a66
[INFO] running `Command { std: "docker" "start" "-a" "b1b6b58f17381589f3a212b18df041e4ca66aaba773b84cd4f18fb0dc7cc8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b6b58f17381589f3a212b18df041e4ca66aaba773b84cd4f18fb0dc7cc8a66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b6b58f17381589f3a212b18df041e4ca66aaba773b84cd4f18fb0dc7cc8a66", kill_on_drop: false }`
[INFO] [stdout] b1b6b58f17381589f3a212b18df041e4ca66aaba773b84cd4f18fb0dc7cc8a66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] fdb29a519313953f6c1da796cf0be2ff2277a8a31170332d7e5684685b6540ee
[INFO] running `Command { std: "docker" "start" "-a" "fdb29a519313953f6c1da796cf0be2ff2277a8a31170332d7e5684685b6540ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.0.90
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
[INFO] [stderr]     Checking rustls-pki-types v1.4.1
[INFO] [stderr]     Checking untrusted v0.9.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]     Checking percent-encoding v2.3.1
[INFO] [stderr]     Checking tinyvec v1.6.0
[INFO] [stderr]    Compiling rustls v0.22.3
[INFO] [stderr]     Checking unicode-bidi v0.3.15
[INFO] [stderr]     Checking form_urlencoded v1.2.1
[INFO] [stderr]    Compiling thiserror v1.0.58
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]     Checking zeroize v1.7.0
[INFO] [stderr]     Checking subtle v2.5.0
[INFO] [stderr]     Checking webpki-roots v0.26.1
[INFO] [stderr]     Checking base64 v0.21.7
[INFO] [stderr]    Compiling syn v2.0.58
[INFO] [stderr]     Checking quick-xml v0.22.0
[INFO] [stderr]     Checking purr v0.9.0
[INFO] [stderr]     Checking proteinogenic v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking unicode-normalization v0.1.23
[INFO] [stderr]    Compiling ring v0.17.8
[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]     Checking idna v0.5.0
[INFO] [stderr]     Checking url v2.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.58
[INFO] [stderr]     Checking rustls-webpki v0.102.2
[INFO] [stderr]     Checking ureq v2.9.6
[INFO] [stderr]     Checking pubchem v0.1.1
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 20.02s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: quick-xml v0.22.0
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1`
[INFO] running `Command { std: "docker" "inspect" "fdb29a519313953f6c1da796cf0be2ff2277a8a31170332d7e5684685b6540ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdb29a519313953f6c1da796cf0be2ff2277a8a31170332d7e5684685b6540ee", kill_on_drop: false }`
[INFO] [stdout] fdb29a519313953f6c1da796cf0be2ff2277a8a31170332d7e5684685b6540ee