[INFO] fetching crate subdown3 0.3.0...
[INFO] checking subdown3-0.3.0 against master#2e5723137b2b88368d018b262a0a823a1423131b for pr-78935-1
[INFO] extracting crate subdown3 0.3.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate subdown3 0.3.0 on toolchain 2e5723137b2b88368d018b262a0a823a1423131b
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate subdown3 0.3.0
[INFO] finished tweaking crates.io crate subdown3 0.3.0
[INFO] tweaked toml for crates.io crate subdown3 0.3.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate crates.io crate subdown3 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "fetch" "--locked" "--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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 840acddbe72f4f11e40432b934e74f3b9874f7891352f8c181cf22d7853c4010
[INFO] running `Command { std: "docker" "start" "-a" "840acddbe72f4f11e40432b934e74f3b9874f7891352f8c181cf22d7853c4010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "840acddbe72f4f11e40432b934e74f3b9874f7891352f8c181cf22d7853c4010", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "840acddbe72f4f11e40432b934e74f3b9874f7891352f8c181cf22d7853c4010", kill_on_drop: false }`
[INFO] [stdout] 840acddbe72f4f11e40432b934e74f3b9874f7891352f8c181cf22d7853c4010
[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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+2e5723137b2b88368d018b262a0a823a1423131b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 40a8ed09eef69cf65a076051543ec2da821d08d5bea09e2efe8638bd187cf183
[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" "40a8ed09eef69cf65a076051543ec2da821d08d5bea09e2efe8638bd187cf183", kill_on_drop: false }`
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.38
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling cc v1.0.58
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling pin-project-internal v0.4.23
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling openssl v0.10.30
[INFO] [stderr]    Compiling serde_derive v1.0.115
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]    Compiling httparse v1.3.4
[INFO] [stderr]    Compiling serde v1.0.115
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking try-lock v0.2.3
[INFO] [stderr]     Checking adler v0.2.3
[INFO] [stderr]     Checking openssl-probe v0.1.2
[INFO] [stderr]    Compiling encoding_rs v0.8.23
[INFO] [stderr]     Checking regex-syntax v0.6.18
[INFO] [stderr]    Compiling hashbrown v0.8.2
[INFO] [stderr]    Compiling indexmap v1.5.1
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking foreign-types v0.3.2
[INFO] [stderr]     Checking tracing-core v0.1.14
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking http v0.2.1
[INFO] [stderr]     Checking miniz_oxide v0.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]     Checking idna v0.2.0
[INFO] [stderr]     Checking net2 v0.2.34
[INFO] [stderr]     Checking iovec v0.1.4
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking socket2 v0.3.12
[INFO] [stderr]     Checking aho-corasick v0.7.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking url v2.1.1
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]    Compiling openssl-sys v0.9.58
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking pin-project v0.4.23
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking serde_urlencoded v0.6.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking reqwest v0.10.7
[INFO] [stderr]     Checking subdown3 v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 34s
[INFO] running `Command { std: "docker" "inspect" "40a8ed09eef69cf65a076051543ec2da821d08d5bea09e2efe8638bd187cf183", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40a8ed09eef69cf65a076051543ec2da821d08d5bea09e2efe8638bd187cf183", kill_on_drop: false }`
[INFO] [stdout] 40a8ed09eef69cf65a076051543ec2da821d08d5bea09e2efe8638bd187cf183