[INFO] fetching crate grammers 0.1.0...
[INFO] checking grammers-0.1.0 against master#7f5a42b073dc2bee2aa625052eb066ee07072048 for pr-78991
[INFO] extracting crate grammers 0.1.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate grammers 0.1.0 on toolchain 7f5a42b073dc2bee2aa625052eb066ee07072048
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate grammers 0.1.0
[INFO] finished tweaking crates.io crate grammers 0.1.0
[INFO] tweaked toml for crates.io crate grammers 0.1.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate crates.io crate grammers 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "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] 0f28aa6abf6c8f02d6e0fc4530b03855dd0ca5219095aa29e3e68ca1b5a4a5a5
[INFO] running `Command { std: "docker" "start" "-a" "0f28aa6abf6c8f02d6e0fc4530b03855dd0ca5219095aa29e3e68ca1b5a4a5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0f28aa6abf6c8f02d6e0fc4530b03855dd0ca5219095aa29e3e68ca1b5a4a5a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f28aa6abf6c8f02d6e0fc4530b03855dd0ca5219095aa29e3e68ca1b5a4a5a5", kill_on_drop: false }`
[INFO] [stdout] 0f28aa6abf6c8f02d6e0fc4530b03855dd0ca5219095aa29e3e68ca1b5a4a5a5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+7f5a42b073dc2bee2aa625052eb066ee07072048" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f5e0cc33d8470119001d062673b74e11fc08ea4f9f79ba94bc6717693cd46073
[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" "f5e0cc33d8470119001d062673b74e11fc08ea4f9f79ba94bc6717693cd46073", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling openssl v0.10.27
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking sha1 v0.6.0
[INFO] [stderr]     Checking grammers-session v0.1.0
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-rational v0.2.3
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking miniz_oxide v0.3.5
[INFO] [stderr]    Compiling crc32fast v1.2.0
[INFO] [stderr]     Checking block-buffer v0.7.3
[INFO] [stderr]     Checking sha2 v0.8.1
[INFO] [stderr]    Compiling grammers-tl-parser v1.0.0
[INFO] [stderr]    Compiling grammers-tl-types v0.1.0
[INFO] [stderr]     Checking openssl-sys v0.9.54
[INFO] [stderr]     Checking flate2 v1.0.13
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking grammers-crypto v0.1.0
[INFO] [stderr]     Checking grammers-mtproto v0.1.0
[INFO] [stderr]     Checking grammers-mtsender v0.1.0
[INFO] [stderr]     Checking grammers-client v0.1.0
[INFO] [stderr]     Checking grammers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 36.14s
[INFO] running `Command { std: "docker" "inspect" "f5e0cc33d8470119001d062673b74e11fc08ea4f9f79ba94bc6717693cd46073", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f5e0cc33d8470119001d062673b74e11fc08ea4f9f79ba94bc6717693cd46073", kill_on_drop: false }`
[INFO] [stdout] f5e0cc33d8470119001d062673b74e11fc08ea4f9f79ba94bc6717693cd46073