[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#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnjbirth%2Fiupac_replace_symbols" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/njbirth/iupac_replace_symbols on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "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-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c35160b9667680169e4e233ec9e2f72db6f5a4b561936e5211e101a187d77a31
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c35160b9667680169e4e233ec9e2f72db6f5a4b561936e5211e101a187d77a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c35160b9667680169e4e233ec9e2f72db6f5a4b561936e5211e101a187d77a31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c35160b9667680169e4e233ec9e2f72db6f5a4b561936e5211e101a187d77a31", kill_on_drop: false }`
[INFO] [stdout] c35160b9667680169e4e233ec9e2f72db6f5a4b561936e5211e101a187d77a31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 49bcebf610d423601e45fb04cb4c72379c0ccddbcca79bd3f2ce66731eb10726
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "49bcebf610d423601e45fb04cb4c72379c0ccddbcca79bd3f2ce66731eb10726", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling bzip2-sys v0.1.10+1.0.8
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking crc32fast v1.2.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking rand_core v0.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[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 flate2 v1.0.20
[INFO] [stderr]     Checking needletail v0.4.1
[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 24.52s
[INFO] running `Command { std: "docker" "inspect" "49bcebf610d423601e45fb04cb4c72379c0ccddbcca79bd3f2ce66731eb10726", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "49bcebf610d423601e45fb04cb4c72379c0ccddbcca79bd3f2ce66731eb10726", kill_on_drop: false }`
[INFO] [stdout] 49bcebf610d423601e45fb04cb4c72379c0ccddbcca79bd3f2ce66731eb10726