[INFO] cloning repository https://github.com/MakeNowJust-Sandbox/20210714-p4 [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MakeNowJust-Sandbox/20210714-p4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakeNowJust-Sandbox%2F20210714-p4", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakeNowJust-Sandbox%2F20210714-p4'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] f8e2aabec109b16bd9a7f0eca9ee768a24614d7c [INFO] checking MakeNowJust-Sandbox/20210714-p4 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMakeNowJust-Sandbox%2F20210714-p4" "/workspace/builds/worker-1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/MakeNowJust-Sandbox/20210714-p4 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] removed /workspace/builds/worker-1/source/rust-toolchain [INFO] started tweaking git repo https://github.com/MakeNowJust-Sandbox/20210714-p4 [INFO] removed 0 missing examples [INFO] finished tweaking git repo https://github.com/MakeNowJust-Sandbox/20210714-p4 [INFO] tweaked toml for git repo https://github.com/MakeNowJust-Sandbox/20210714-p4 written to /workspace/builds/worker-1/source/Cargo.toml [INFO] crate git repo https://github.com/MakeNowJust-Sandbox/20210714-p4 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 2d640a2e794424c2ca2de6f51e3249e3c1f1b2929c49accc2c91804c40c0207f [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" "2d640a2e794424c2ca2de6f51e3249e3c1f1b2929c49accc2c91804c40c0207f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "2d640a2e794424c2ca2de6f51e3249e3c1f1b2929c49accc2c91804c40c0207f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2d640a2e794424c2ca2de6f51e3249e3c1f1b2929c49accc2c91804c40c0207f", kill_on_drop: false }` [INFO] [stdout] 2d640a2e794424c2ca2de6f51e3249e3c1f1b2929c49accc2c91804c40c0207f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 361d09d93ec592f195b3818af3507ff500a63936bf38c41cfcd49f020c04cfbb [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" "361d09d93ec592f195b3818af3507ff500a63936bf38c41cfcd49f020c04cfbb", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.98 [INFO] [stderr] Compiling version_check v0.9.3 [INFO] [stderr] Compiling syn v1.0.73 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking vec_map v0.8.2 [INFO] [stderr] Checking strsim v0.8.0 [INFO] [stderr] Checking endian-type v0.1.2 [INFO] [stderr] Checking unicode-segmentation v1.8.0 [INFO] [stderr] Checking utf8parse v0.2.0 [INFO] [stderr] Checking p4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking nibble_vec v0.1.0 [INFO] [stderr] Checking radix_trie v0.2.1 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Checking atty v0.2.14 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking nix v0.20.0 [INFO] [stderr] Checking fd-lock v2.0.0 [INFO] [stderr] Checking clap v2.33.3 [INFO] [stderr] Checking dirs-next v2.0.0 [INFO] [stderr] Compiling structopt-derive v0.4.15 [INFO] [stderr] Checking rustyline v8.2.0 [INFO] [stderr] Checking structopt v0.3.22 [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 33.14s [INFO] running `Command { std: "docker" "inspect" "361d09d93ec592f195b3818af3507ff500a63936bf38c41cfcd49f020c04cfbb", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "361d09d93ec592f195b3818af3507ff500a63936bf38c41cfcd49f020c04cfbb", kill_on_drop: false }` [INFO] [stdout] 361d09d93ec592f195b3818af3507ff500a63936bf38c41cfcd49f020c04cfbb