[INFO] cloning repository https://github.com/wangy556/CLI-Calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/wangy556/CLI-Calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangy556%2FCLI-Calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangy556%2FCLI-Calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8dee835c7ca255b050f64f1d40f32b4fb0e07fca
[INFO] checking wangy556/CLI-Calculator against try#6619027b13a87a3597115f2c8231f107bf3a7a5f for pr-139624
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangy556%2FCLI-Calculator" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangy556/CLI-Calculator on toolchain 6619027b13a87a3597115f2c8231f107bf3a7a5f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/wangy556/CLI-Calculator
[INFO] finished tweaking git repo https://github.com/wangy556/CLI-Calculator
[INFO] tweaked toml for git repo https://github.com/wangy556/CLI-Calculator written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/wangy556/CLI-Calculator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ccc93db4d58ae4a3b736ea4617335cfe8fbdab9f27da002d27b650d9852ce19
[INFO] running `Command { std: "docker" "start" "-a" "1ccc93db4d58ae4a3b736ea4617335cfe8fbdab9f27da002d27b650d9852ce19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ccc93db4d58ae4a3b736ea4617335cfe8fbdab9f27da002d27b650d9852ce19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ccc93db4d58ae4a3b736ea4617335cfe8fbdab9f27da002d27b650d9852ce19", kill_on_drop: false }`
[INFO] [stdout] 1ccc93db4d58ae4a3b736ea4617335cfe8fbdab9f27da002d27b650d9852ce19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+6619027b13a87a3597115f2c8231f107bf3a7a5f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cd3b68ea8710cda5ac7b5553fad6b0747be20529fabedbf2f578d351c4e4bcaf
[INFO] running `Command { std: "docker" "start" "-a" "cd3b68ea8710cda5ac7b5553fad6b0747be20529fabedbf2f578d351c4e4bcaf", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.149
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking endian-type v0.1.2
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking unicode-segmentation v1.10.1
[INFO] [stderr]     Checking log v0.4.20
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking nibble_vec v0.1.0
[INFO] [stderr]     Checking utf8parse v0.2.1
[INFO] [stderr]     Checking radix_trie v0.2.1
[INFO] [stderr]    Compiling memoffset v0.6.5
[INFO] [stderr]     Checking dirs-sys-next v0.1.2
[INFO] [stderr]     Checking nix v0.20.2
[INFO] [stderr]     Checking fd-lock v2.0.0
[INFO] [stderr]     Checking dirs-next v2.0.0
[INFO] [stderr]     Checking rustyline v8.2.0
[INFO] [stderr]     Checking rget v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 6.46s
[INFO] running `Command { std: "docker" "inspect" "cd3b68ea8710cda5ac7b5553fad6b0747be20529fabedbf2f578d351c4e4bcaf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd3b68ea8710cda5ac7b5553fad6b0747be20529fabedbf2f578d351c4e4bcaf", kill_on_drop: false }`
[INFO] [stdout] cd3b68ea8710cda5ac7b5553fad6b0747be20529fabedbf2f578d351c4e4bcaf