[INFO] cloning repository https://github.com/snewcomer/lang-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snewcomer/lang-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bd89f0bb4aeb1cd129b0da346b6ec60c41c577c8
[INFO] checking snewcomer/lang-rs against master#f5f33ec0e0455eefa72fc5567eb1280a4d5ee206 for pr-83312
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnewcomer%2Flang-rs" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snewcomer/lang-rs on toolchain f5f33ec0e0455eefa72fc5567eb1280a4d5ee206
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/snewcomer/lang-rs
[INFO] finished tweaking git repo https://github.com/snewcomer/lang-rs
[INFO] tweaked toml for git repo https://github.com/snewcomer/lang-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/snewcomer/lang-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded text-size v1.1.0
[INFO] [stderr]   Downloaded drop_bomb v0.1.5
[INFO] [stderr]   Downloaded smol_str v0.1.17
[INFO] [stderr]   Downloaded hashbrown v0.10.0
[INFO] [stderr]   Downloaded triomphe v0.1.2
[INFO] [stderr]   Downloaded expect-test v1.1.0
[INFO] [stderr]   Downloaded rowan v0.10.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 462bcfdcdd02a38c5f4474287b7136c461f9e90709d242f28af3e683c479c0c7
[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" "462bcfdcdd02a38c5f4474287b7136c461f9e90709d242f28af3e683c479c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "462bcfdcdd02a38c5f4474287b7136c461f9e90709d242f28af3e683c479c0c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "462bcfdcdd02a38c5f4474287b7136c461f9e90709d242f28af3e683c479c0c7", kill_on_drop: false }`
[INFO] [stdout] 462bcfdcdd02a38c5f4474287b7136c461f9e90709d242f28af3e683c479c0c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+f5f33ec0e0455eefa72fc5567eb1280a4d5ee206" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0398e5a909ddb73e5edc49457a9467de071554c47b44fe289ea7f0b8df16634b
[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" "0398e5a909ddb73e5edc49457a9467de071554c47b44fe289ea7f0b8df16634b", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling serde v1.0.119
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling utf8-ranges v1.0.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]    Compiling beef v0.4.4
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]     Checking text-size v1.1.0
[INFO] [stderr]     Checking dissimilar v1.0.2
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking smol_str v0.1.17
[INFO] [stderr]     Checking hashbrown v0.10.0
[INFO] [stderr]     Checking drop_bomb v0.1.5
[INFO] [stderr]     Checking expect-test v1.1.0
[INFO] [stderr]    Compiling memoffset v0.5.6
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling quote v1.0.8
[INFO] [stderr]    Compiling syn v1.0.58
[INFO] [stderr]     Checking triomphe v0.1.2
[INFO] [stderr]     Checking rowan v0.10.5
[INFO] [stderr]    Compiling logos-derive v0.11.5
[INFO] [stderr]    Compiling num-derive v0.3.3
[INFO] [stderr]     Checking logos v0.11.4
[INFO] [stderr]     Checking lang-rs-2 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.42s
[INFO] running `Command { std: "docker" "inspect" "0398e5a909ddb73e5edc49457a9467de071554c47b44fe289ea7f0b8df16634b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0398e5a909ddb73e5edc49457a9467de071554c47b44fe289ea7f0b8df16634b", kill_on_drop: false }`
[INFO] [stdout] 0398e5a909ddb73e5edc49457a9467de071554c47b44fe289ea7f0b8df16634b