[INFO] cloning repository https://github.com/sammerset/simple-rust-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sammerset/simple-rust-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammerset%2Fsimple-rust-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammerset%2Fsimple-rust-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb8c5344c5cbf2eda00b96723fa2ad392477b695
[INFO] checking sammerset/simple-rust-calculator against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsammerset%2Fsimple-rust-calculator" "/workspace/builds/worker-10/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sammerset/simple-rust-calculator on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sammerset/simple-rust-calculator
[INFO] finished tweaking git repo https://github.com/sammerset/simple-rust-calculator
[INFO] tweaked toml for git repo https://github.com/sammerset/simple-rust-calculator written to /workspace/builds/worker-10/source/Cargo.toml
[INFO] crate git repo https://github.com/sammerset/simple-rust-calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f4d6fecd3f7b87013829192f5c499b4be65f529cf71aefdff0cd36ec94c81e09
[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" "f4d6fecd3f7b87013829192f5c499b4be65f529cf71aefdff0cd36ec94c81e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f4d6fecd3f7b87013829192f5c499b4be65f529cf71aefdff0cd36ec94c81e09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d6fecd3f7b87013829192f5c499b4be65f529cf71aefdff0cd36ec94c81e09", kill_on_drop: false }`
[INFO] [stdout] f4d6fecd3f7b87013829192f5c499b4be65f529cf71aefdff0cd36ec94c81e09
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7034bfbde9c245a144ce0edadc0338fb59f0c63dda021a38b83d8d6f625db03b
[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" "7034bfbde9c245a144ce0edadc0338fb59f0c63dda021a38b83d8d6f625db03b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.77
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking traitobject v0.1.0
[INFO] [stderr]     Checking tinyvec v0.3.4
[INFO] [stderr]    Compiling version_check v0.1.5
[INFO] [stderr]     Checking matches v0.1.8
[INFO] [stderr]    Compiling proc-macro2 v1.0.23
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]     Checking safemem v0.3.3
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling syn v1.0.42
[INFO] [stderr]     Checking percent-encoding v1.0.1
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]     Checking language-tags v0.2.2
[INFO] [stderr]    Compiling serde_derive v1.0.116
[INFO] [stderr]     Checking typeable v0.1.2
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]     Checking groupable v0.2.0
[INFO] [stderr]     Checking modifier v0.1.0
[INFO] [stderr]     Checking unsafe-any v0.4.2
[INFO] [stderr]     Checking unicode-normalization v0.1.13
[INFO] [stderr]    Compiling unicase v1.4.2
[INFO] [stderr]     Checking unicode-bidi v0.3.4
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking log v0.4.11
[INFO] [stderr]     Checking typemap v0.3.3
[INFO] [stderr]     Checking ryu v1.0.5
[INFO] [stderr]     Checking httparse v1.3.4
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking time v0.1.44
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking plugin v0.2.6
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking mime v0.2.6
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking hyper v0.10.16
[INFO] [stderr]     Checking mustache v0.9.0
[INFO] [stderr]     Checking nickel v0.11.0
[INFO] [stderr]     Checking rust-smart-calc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.60s
[INFO] running `Command { std: "docker" "inspect" "7034bfbde9c245a144ce0edadc0338fb59f0c63dda021a38b83d8d6f625db03b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7034bfbde9c245a144ce0edadc0338fb59f0c63dda021a38b83d8d6f625db03b", kill_on_drop: false }`
[INFO] [stdout] 7034bfbde9c245a144ce0edadc0338fb59f0c63dda021a38b83d8d6f625db03b