[INFO] fetching crate cargo-call-stack 0.1.6...
[INFO] checking cargo-call-stack-0.1.6 against master#936f2600b6c903b04387f74ed5cbce88bb06d243 for pr-91141
[INFO] extracting crate cargo-call-stack 0.1.6 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate cargo-call-stack 0.1.6 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 crates.io crate cargo-call-stack 0.1.6
[INFO] finished tweaking crates.io crate cargo-call-stack 0.1.6
[INFO] tweaked toml for crates.io crate cargo-call-stack 0.1.6 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate cargo-call-stack 0.1.6 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-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 114d510210b8be49f9658046d114000d0fc14952e16a4d80cd3189597c04fe61
[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" "114d510210b8be49f9658046d114000d0fc14952e16a4d80cd3189597c04fe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "114d510210b8be49f9658046d114000d0fc14952e16a4d80cd3189597c04fe61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "114d510210b8be49f9658046d114000d0fc14952e16a4d80cd3189597c04fe61", kill_on_drop: false }`
[INFO] [stdout] 114d510210b8be49f9658046d114000d0fc14952e16a4d80cd3189597c04fe61
[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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+936f2600b6c903b04387f74ed5cbce88bb06d243" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 060a6513b856397e9de4f766392a8505d0f88825bdaf2b0f31dcb92a35b6616b
[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" "060a6513b856397e9de4f766392a8505d0f88825bdaf2b0f31dcb92a35b6616b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.102
[INFO] [stderr]    Compiling syn v1.0.76
[INFO] [stderr]    Compiling cc v1.0.70
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling failure_derive v0.1.8
[INFO] [stderr]     Checking rustc-demangle v0.1.21
[INFO] [stderr]    Compiling serde v1.0.130
[INFO] [stderr]    Compiling serde_derive v1.0.130
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]    Compiling lexical-core v0.7.6
[INFO] [stderr]     Checking arrayvec v0.5.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking leb128 v0.2.4
[INFO] [stderr]     Checking ordermap v0.3.5
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking xmas-elf v0.6.2
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]     Checking object v0.26.2
[INFO] [stderr]     Checking ar v0.6.2
[INFO] [stderr]     Checking petgraph v0.4.13
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking filetime v0.2.15
[INFO] [stderr]    Compiling backtrace v0.3.61
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling synstructure v0.12.5
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking failure v0.1.8
[INFO] [stderr]     Checking rustc-cfg v0.4.0
[INFO] [stderr]     Checking cargo-project v0.2.7
[INFO] [stderr]     Checking stack-sizes v0.4.0
[INFO] [stderr]     Checking cargo-call-stack v0.1.6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.21s
[INFO] running `Command { std: "docker" "inspect" "060a6513b856397e9de4f766392a8505d0f88825bdaf2b0f31dcb92a35b6616b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "060a6513b856397e9de4f766392a8505d0f88825bdaf2b0f31dcb92a35b6616b", kill_on_drop: false }`
[INFO] [stdout] 060a6513b856397e9de4f766392a8505d0f88825bdaf2b0f31dcb92a35b6616b