[INFO] cloning repository https://github.com/ffimnsr/scarper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ffimnsr/scarper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffimnsr%2Fscarper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffimnsr%2Fscarper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a5be26f839ffb7092ca438cfcfa06c05206c9ba0
[INFO] checking ffimnsr/scarper against try#3bb2879ea9e58d65b875f9a98df44f4a43ce2597 for pr-85387
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fffimnsr%2Fscarper" "/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/ffimnsr/scarper on toolchain 3bb2879ea9e58d65b875f9a98df44f4a43ce2597
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ffimnsr/scarper
[INFO] finished tweaking git repo https://github.com/ffimnsr/scarper
[INFO] tweaked toml for git repo https://github.com/ffimnsr/scarper written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/ffimnsr/scarper already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4336d5721ab0f3955717d268f3a607173e5d1d8782cad067b13d18f7a0fd984b
[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" "4336d5721ab0f3955717d268f3a607173e5d1d8782cad067b13d18f7a0fd984b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4336d5721ab0f3955717d268f3a607173e5d1d8782cad067b13d18f7a0fd984b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4336d5721ab0f3955717d268f3a607173e5d1d8782cad067b13d18f7a0fd984b", kill_on_drop: false }`
[INFO] [stdout] 4336d5721ab0f3955717d268f3a607173e5d1d8782cad067b13d18f7a0fd984b
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+3bb2879ea9e58d65b875f9a98df44f4a43ce2597" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 59688dabe2c2817c9f3804adca71d2c924491286bb365ac5f3e6bd5cfa14751f
[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" "59688dabe2c2817c9f3804adca71d2c924491286bb365ac5f3e6bd5cfa14751f", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling proc-macro2 v1.0.8
[INFO] [stderr]    Compiling syn v1.0.14
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]     Checking bytes v0.5.4
[INFO] [stderr]     Checking futures-core v0.3.3
[INFO] [stderr]     Checking pin-project-lite v0.1.4
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.2
[INFO] [stderr]     Checking futures-sink v0.3.3
[INFO] [stderr]     Checking smallvec v1.2.0
[INFO] [stderr]     Checking futures-task v0.3.3
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]     Checking tower-service v0.3.0
[INFO] [stderr]     Checking regex-syntax v0.6.14
[INFO] [stderr]    Compiling encoding_rs v0.8.22
[INFO] [stderr]     Checking mime v0.3.16
[INFO] [stderr]     Checking dtoa v0.4.5
[INFO] [stderr]     Checking termcolor v1.1.0
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking base64 v0.11.0
[INFO] [stderr]     Checking encode_unicode v0.3.6
[INFO] [stderr]    Compiling openssl-sys v0.9.54
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]    Compiling libloading v0.5.2
[INFO] [stderr]     Checking humantime v1.3.0
[INFO] [stderr]     Checking futures-util v0.3.3
[INFO] [stderr]     Checking futures-channel v0.3.3
[INFO] [stderr]     Checking unicode-normalization v0.1.12
[INFO] [stderr]     Checking mime_guess v2.0.1
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]     Checking regex-automata v0.1.8
[INFO] [stderr]    Compiling openssl v0.10.28
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.12.0
[INFO] [stderr]     Checking signal-hook-registry v1.2.0
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking term v0.5.2
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking aho-corasick v0.7.8
[INFO] [stderr]     Checking csv-core v0.1.6
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]     Checking pin-project v0.4.8
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking tokio-tls v0.3.0
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.2
[INFO] [stderr]     Checking hyper-tls v0.4.1
[INFO] [stderr]     Checking bstr v0.2.11
[INFO] [stderr]     Checking serde_json v1.0.47
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking reqwest v0.10.1
[INFO] [stderr]     Checking prettytable-rs v0.8.0
[INFO] [stderr]     Checking scarper v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.94s
[INFO] running `Command { std: "docker" "inspect" "59688dabe2c2817c9f3804adca71d2c924491286bb365ac5f3e6bd5cfa14751f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59688dabe2c2817c9f3804adca71d2c924491286bb365ac5f3e6bd5cfa14751f", kill_on_drop: false }`
[INFO] [stdout] 59688dabe2c2817c9f3804adca71d2c924491286bb365ac5f3e6bd5cfa14751f