[INFO] cloning repository https://github.com/indygreg/tugger
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/indygreg/tugger" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findygreg%2Ftugger", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findygreg%2Ftugger'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f39ac17d1dab8a2f26e5ebea90804cefd0df2448
[INFO] checking indygreg/tugger against try#d990716b6a1fdde1300748828a9c9e79dfd0b898 for pr-74846
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Findygreg%2Ftugger" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/indygreg/tugger on toolchain d990716b6a1fdde1300748828a9c9e79dfd0b898
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/indygreg/tugger
[INFO] finished tweaking git repo https://github.com/indygreg/tugger
[INFO] tweaked toml for git repo https://github.com/indygreg/tugger written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/indygreg/tugger already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded petgraph v0.4.13
[INFO] [stderr]   Downloaded openssl-sys v0.9.49
[INFO] [stderr]   Downloaded bit-set v0.5.1
[INFO] [stderr]   Downloaded git2 v0.10.0
[INFO] [stderr]   Downloaded pkg-config v0.3.15
[INFO] [stderr]   Downloaded vcpkg v0.2.7
[INFO] [stderr]   Downloaded serde_yaml v0.8.9
[INFO] [stderr]   Downloaded getrandom v0.1.11
[INFO] [stderr]   Downloaded linefeed v0.5.4
[INFO] [stderr]   Downloaded starlark-repl v0.2.0
[INFO] [stderr]   Downloaded ascii-canvas v1.0.0
[INFO] [stderr]   Downloaded backtrace v0.3.35
[INFO] [stderr]   Downloaded ar v0.7.0
[INFO] [stderr]   Downloaded codemap v0.1.2
[INFO] [stderr]   Downloaded docopt v1.1.0
[INFO] [stderr]   Downloaded is_executable v0.1.2
[INFO] [stderr]   Downloaded regex v1.2.1
[INFO] [stderr]   Downloaded debian v0.1.1
[INFO] [stderr]   Downloaded fs_extra v1.1.0
[INFO] [stderr]   Downloaded blake2b_simd v0.5.7
[INFO] [stderr]   Downloaded strsim v0.9.2
[INFO] [stderr]   Downloaded mortal v0.1.5
[INFO] [stderr]   Downloaded proc-macro2 v1.0.1
[INFO] [stderr]   Downloaded syn v1.0.3
[INFO] [stderr]   Downloaded diff v0.1.11
[INFO] [stderr]   Downloaded itertools v0.8.0
[INFO] [stderr]   Downloaded smallstr v0.1.0
[INFO] [stderr]   Downloaded terminfo v0.6.1
[INFO] [stderr]   Downloaded starlark v0.2.0
[INFO] [stderr]   Downloaded ena v0.11.0
[INFO] [stderr]   Downloaded regex-syntax v0.6.11
[INFO] [stderr]   Downloaded serde v1.0.99
[INFO] [stderr]   Downloaded new_debug_unreachable v1.0.3
[INFO] [stderr]   Downloaded sha2 v0.8.0
[INFO] [stderr]   Downloaded ordermap v0.3.5
[INFO] [stderr]   Downloaded fixedbitset v0.1.9
[INFO] [stderr]   Downloaded serde_derive v1.0.99
[INFO] [stderr]   Downloaded libgit2-sys v0.9.0
[INFO] [stderr]   Downloaded codemap-diagnostic v0.1.1
[INFO] [stderr]   Downloaded dirs v1.0.5
[INFO] [stderr]   Downloaded bit-vec v0.5.1
[INFO] [stderr]   Downloaded lalrpop v0.16.3
[INFO] [stderr]   Downloaded cc v1.0.40
[INFO] [stderr]   Downloaded filetime v0.2.7
[INFO] [stderr]   Downloaded lalrpop-util v0.16.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4e85d25aead3fd7aa50b01b0d69e9e6c060e8eb74c631d25732f4a010caaa581
[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" "4e85d25aead3fd7aa50b01b0d69e9e6c060e8eb74c631d25732f4a010caaa581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4e85d25aead3fd7aa50b01b0d69e9e6c060e8eb74c631d25732f4a010caaa581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e85d25aead3fd7aa50b01b0d69e9e6c060e8eb74c631d25732f4a010caaa581", kill_on_drop: false }`
[INFO] [stdout] 4e85d25aead3fd7aa50b01b0d69e9e6c060e8eb74c631d25732f4a010caaa581
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+d990716b6a1fdde1300748828a9c9e79dfd0b898" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cda0ae0d419cc7baa4adb92fa6ab32df0a3459562c12993cae18f37df4caa1b4
[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" "cda0ae0d419cc7baa4adb92fa6ab32df0a3459562c12993cae18f37df4caa1b4", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.3
[INFO] [stderr]    Compiling typenum v1.10.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.3
[INFO] [stderr]    Compiling getrandom v0.1.11
[INFO] [stderr]    Compiling bit-vec v0.5.1
[INFO] [stderr]    Compiling either v1.5.2
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling strsim v0.9.2
[INFO] [stderr]    Compiling lalrpop-util v0.16.3
[INFO] [stderr]     Checking codemap v0.1.2
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking fs_extra v1.1.0
[INFO] [stderr]     Checking is_executable v0.1.2
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling libz-sys v1.0.25
[INFO] [stderr]    Compiling libssh2-sys v0.2.11
[INFO] [stderr]    Compiling libgit2-sys v0.9.0
[INFO] [stderr]    Compiling openssl-sys v0.9.49
[INFO] [stderr]    Compiling block-padding v0.1.4
[INFO] [stderr]     Checking smallstr v0.1.0
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling itertools v0.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling bit-set v0.5.1
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking phf v0.7.24
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.7
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling ascii-canvas v1.0.0
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]     Checking ar v0.7.0
[INFO] [stderr]     Checking codemap-diagnostic v0.1.1
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]    Compiling ena v0.11.0
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking tar v0.4.26
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]     Checking nix v0.7.0
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking url v2.1.0
[INFO] [stderr]     Checking tempdir v0.3.7
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking debian v0.1.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]    Compiling generic-array v0.12.3
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling string_cache_codegen v0.4.2
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling block-buffer v0.7.3
[INFO] [stderr]    Compiling digest v0.8.1
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stderr]    Compiling terminfo v0.6.1
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling string_cache v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]     Checking mortal v0.1.5
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]     Checking linefeed v0.5.4
[INFO] [stderr]     Checking serde_yaml v0.8.9
[INFO] [stderr]    Compiling docopt v1.1.0
[INFO] [stderr]    Compiling lalrpop v0.16.3
[INFO] [stderr]     Checking git2 v0.10.0
[INFO] [stderr]    Compiling starlark v0.2.0
[INFO] [stderr]     Checking starlark-repl v0.2.0
[INFO] [stderr]     Checking tugger v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 32s
[INFO] running `Command { std: "docker" "inspect" "cda0ae0d419cc7baa4adb92fa6ab32df0a3459562c12993cae18f37df4caa1b4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cda0ae0d419cc7baa4adb92fa6ab32df0a3459562c12993cae18f37df4caa1b4", kill_on_drop: false }`
[INFO] [stdout] cda0ae0d419cc7baa4adb92fa6ab32df0a3459562c12993cae18f37df4caa1b4