[INFO] cloning repository https://github.com/rimutaka/stm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rimutaka/stm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 20028498973dd5f56d94abbe60d199e922ee7320
[INFO] checking rimutaka/stm against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rimutaka/stm on toolchain 936f2600b6c903b04387f74ed5cbce88bb06d243
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rimutaka/stm
[INFO] finished tweaking git repo https://github.com/rimutaka/stm
[INFO] tweaked toml for git repo https://github.com/rimutaka/stm written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cf99640403027dd4908b641e1fad35c0aadb9467541010762b33af497e9c53fc
[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" "cf99640403027dd4908b641e1fad35c0aadb9467541010762b33af497e9c53fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cf99640403027dd4908b641e1fad35c0aadb9467541010762b33af497e9c53fc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf99640403027dd4908b641e1fad35c0aadb9467541010762b33af497e9c53fc", kill_on_drop: false }`
[INFO] [stdout] cf99640403027dd4908b641e1fad35c0aadb9467541010762b33af497e9c53fc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2722d9697c0daf7a04f339b4b79f577517058d141b8bc327ea7cc33da3d0c29c
[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" "2722d9697c0daf7a04f339b4b79f577517058d141b8bc327ea7cc33da3d0c29c", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.82
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling crc32fast v1.3.0
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]    Compiling rle-decode-fast v1.0.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling ryu v1.0.6
[INFO] [stderr]    Compiling adler32 v1.2.0
[INFO] [stderr]    Compiling serde_json v1.0.72
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]     Checking futures-io v0.3.18
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]     Checking base64 v0.13.0
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking typed-arena v1.7.0
[INFO] [stderr]    Compiling cargo-deb v1.34.0
[INFO] [stderr]     Checking remove_dir_all v0.5.3
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking openssl-probe v0.1.4
[INFO] [stderr]     Checking md5 v0.7.0
[INFO] [stderr]     Checking ar v0.9.0
[INFO] [stderr]     Checking tracing-core v0.1.21
[INFO] [stderr]    Compiling tokio v1.14.0
[INFO] [stderr]     Checking lock_api v0.4.5
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.7.0
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking path-dedot v3.0.14
[INFO] [stderr]     Checking sharded-slab v0.1.4
[INFO] [stderr]     Checking instant v0.1.12
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling libflate_lz77 v1.1.0
[INFO] [stderr]     Checking http v0.2.5
[INFO] [stderr]    Compiling lzma-sys v0.1.17
[INFO] [stderr]     Checking itertools v0.10.1
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]     Checking crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]     Checking path-absolutize v3.0.11
[INFO] [stderr]     Checking encoding_rs v0.8.29
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking zopfli v0.4.0
[INFO] [stderr]     Checking crossbeam-epoch v0.9.5
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling libflate v1.1.1
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking parking_lot_core v0.8.5
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking mio v0.7.14
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking xattr v0.2.2
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking tracing-subscriber v0.3.3
[INFO] [stderr]     Checking flate2 v1.0.22
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]     Checking parking_lot v0.11.2
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking xz2 v0.1.6
[INFO] [stderr]     Checking tar v0.4.37
[INFO] [stderr]    Compiling sha2 v0.9.8
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking sha-1 v0.9.8
[INFO] [stderr]     Checking http-body v0.4.4
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]    Compiling rust-embed-utils v7.1.0
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking ct-logs v0.8.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking tempfile v3.2.0
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]    Compiling tokio-macros v1.6.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.18
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]    Compiling include-flate-codegen v0.1.4
[INFO] [stderr]    Compiling rust-embed-impl v6.2.0
[INFO] [stderr]     Checking include-flate-codegen-exports v0.1.4
[INFO] [stderr]     Checking include-flate v0.1.4
[INFO] [stderr]     Checking futures-util v0.3.18
[INFO] [stderr]     Checking rust-embed v6.3.0
[INFO] [stderr]     Checking tracing v0.1.29
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking tokio-util v0.6.9
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking h2 v0.3.7
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking stackmuncher_lib v0.2.0 (/opt/rustwide/workdir/stackmuncher_lib)
[INFO] [stderr]     Checking tracing-subscriber v0.2.25
[INFO] [stderr]     Checking cargo_toml v0.10.1
[INFO] [stderr]     Checking hyper v0.14.15
[INFO] [stderr]     Checking hyper-rustls v0.22.1
[INFO] [stderr]     Checking stackmuncher v0.1.7 (/opt/rustwide/workdir/stackmuncher)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 27s
[INFO] running `Command { std: "docker" "inspect" "2722d9697c0daf7a04f339b4b79f577517058d141b8bc327ea7cc33da3d0c29c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2722d9697c0daf7a04f339b4b79f577517058d141b8bc327ea7cc33da3d0c29c", kill_on_drop: false }`
[INFO] [stdout] 2722d9697c0daf7a04f339b4b79f577517058d141b8bc327ea7cc33da3d0c29c