[INFO] cloning repository https://github.com/njbirth/iupac_replace_symbols
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/njbirth/iupac_replace_symbols" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjbirth%2Fiupac_replace_symbols", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjbirth%2Fiupac_replace_symbols'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 346bd80295658a8ee55efed5dfe5ac48debc3ee2
[INFO] checking njbirth/iupac_replace_symbols against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjbirth%2Fiupac_replace_symbols" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njbirth/iupac_replace_symbols on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/njbirth/iupac_replace_symbols
[INFO] finished tweaking git repo https://github.com/njbirth/iupac_replace_symbols
[INFO] tweaked toml for git repo https://github.com/njbirth/iupac_replace_symbols written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/njbirth/iupac_replace_symbols already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9e0eaad04bc121e4a6f19bd1e589a0d719ef8b5e2e1183e991b60c7eac4c9670
[INFO] running `Command { std: "docker" "start" "-a" "9e0eaad04bc121e4a6f19bd1e589a0d719ef8b5e2e1183e991b60c7eac4c9670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9e0eaad04bc121e4a6f19bd1e589a0d719ef8b5e2e1183e991b60c7eac4c9670", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e0eaad04bc121e4a6f19bd1e589a0d719ef8b5e2e1183e991b60c7eac4c9670", kill_on_drop: false }`
[INFO] [stdout] 9e0eaad04bc121e4a6f19bd1e589a0d719ef8b5e2e1183e991b60c7eac4c9670
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 54aabf0be23568da6229a5e32ad06dc9d749f988685e6ecdd3eb6259f7a9cc19
[INFO] running `Command { std: "docker" "start" "-a" "54aabf0be23568da6229a5e32ad06dc9d749f988685e6ecdd3eb6259f7a9cc19", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.88
[INFO] [stderr]    Compiling pkg-config v0.3.19
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking bytecount v0.6.2
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]     Checking rand_chacha v0.3.0
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking rand v0.8.3
[INFO] [stderr]     Checking bzip2 v0.4.2
[INFO] [stderr]     Checking needletail v0.4.1
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling structopt-derive v0.4.14
[INFO] [stderr]     Checking structopt v0.3.21
[INFO] [stderr]     Checking iupac_replace_symbols v1.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.73s
[INFO] running `Command { std: "docker" "inspect" "54aabf0be23568da6229a5e32ad06dc9d749f988685e6ecdd3eb6259f7a9cc19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "54aabf0be23568da6229a5e32ad06dc9d749f988685e6ecdd3eb6259f7a9cc19", kill_on_drop: false }`
[INFO] [stdout] 54aabf0be23568da6229a5e32ad06dc9d749f988685e6ecdd3eb6259f7a9cc19