[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] de8632385efe8d8d2835a77a6cfd420d367eb62e
[INFO] checking rimutaka/stm against master#f82664191d0e8764b7435b9d72eb0e366b8b1464 for pr-83354
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frimutaka%2Fstm" "/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/rimutaka/stm on toolchain f82664191d0e8764b7435b9d72eb0e366b8b1464
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "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-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e40a738592057714074ae643f13fd71bd9fb9d5ebaa8ece9ff4007615c9355
[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" "b4e40a738592057714074ae643f13fd71bd9fb9d5ebaa8ece9ff4007615c9355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e40a738592057714074ae643f13fd71bd9fb9d5ebaa8ece9ff4007615c9355", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e40a738592057714074ae643f13fd71bd9fb9d5ebaa8ece9ff4007615c9355", kill_on_drop: false }`
[INFO] [stdout] b4e40a738592057714074ae643f13fd71bd9fb9d5ebaa8ece9ff4007615c9355
[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@sha256:4f92631de1aa59f8320307485d3b3c869a5c90ab1d76ce2cffab9807b8c9a1fb" "/opt/rustwide/cargo-home/bin/cargo" "+f82664191d0e8764b7435b9d72eb0e366b8b1464" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b68337b7d01b23eb6189b2230ca1275be88ed679963a954aadc1f610a05b3796
[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" "b68337b7d01b23eb6189b2230ca1275be88ed679963a954aadc1f610a05b3796", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.6.23
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking opaque-debug v0.3.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking cpuid-bool v0.1.2
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking ansi_term v0.12.1
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking tracing-core v0.1.17
[INFO] [stderr]     Checking sharded-slab v0.1.1
[INFO] [stderr]     Checking encoding_rs v0.8.28
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking net2 v0.2.37
[INFO] [stderr]     Checking time v0.1.43
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking signal-hook-registry v1.3.0
[INFO] [stderr]     Checking block-buffer v0.9.0
[INFO] [stderr]     Checking digest v0.9.0
[INFO] [stderr]     Checking sha-1 v0.9.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]     Checking uuid v0.8.2
[INFO] [stderr]     Checking mio v0.6.23
[INFO] [stderr]     Checking tracing-log v0.1.2
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling syn v1.0.68
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking encoding_rs_io v0.1.7
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking regex v1.4.5
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling tracing-attributes v0.1.15
[INFO] [stderr]    Compiling tokio-macros v0.2.6
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]     Checking tracing v0.1.25
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking tracing-serde v0.1.2
[INFO] [stderr]     Checking tracing-subscriber v0.2.17
[INFO] [stderr]     Checking stackmuncher v0.2.0 (/opt/rustwide/workdir/stackmuncher)
[INFO] [stderr]     Checking stmapp v0.1.0 (/opt/rustwide/workdir/stmapp)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 20s
[INFO] running `Command { std: "docker" "inspect" "b68337b7d01b23eb6189b2230ca1275be88ed679963a954aadc1f610a05b3796", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b68337b7d01b23eb6189b2230ca1275be88ed679963a954aadc1f610a05b3796", kill_on_drop: false }`
[INFO] [stdout] b68337b7d01b23eb6189b2230ca1275be88ed679963a954aadc1f610a05b3796