[INFO] fetching crate assert_that 0.1.2...
[INFO] checking assert_that-0.1.2 against try#15a786332e2f0dd343b226ab6bb8ec028a350f73 for pr-81782
[INFO] extracting crate assert_that 0.1.2 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate assert_that 0.1.2 on toolchain 15a786332e2f0dd343b226ab6bb8ec028a350f73
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate assert_that 0.1.2
[INFO] finished tweaking crates.io crate assert_that 0.1.2
[INFO] tweaked toml for crates.io crate assert_that 0.1.2 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "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] 634c12e4c2cc3f44229dc3680286ac8b34f61e91f8880678c17ae4928fba3f5f
[INFO] running `Command { std: "docker" "start" "-a" "634c12e4c2cc3f44229dc3680286ac8b34f61e91f8880678c17ae4928fba3f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "634c12e4c2cc3f44229dc3680286ac8b34f61e91f8880678c17ae4928fba3f5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "634c12e4c2cc3f44229dc3680286ac8b34f61e91f8880678c17ae4928fba3f5f", kill_on_drop: false }`
[INFO] [stdout] 634c12e4c2cc3f44229dc3680286ac8b34f61e91f8880678c17ae4928fba3f5f
[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:f2f6bcd4b43ebee4e173f653a26493129bdb64017c85f916b780ca7fbdbaa79d" "/opt/rustwide/cargo-home/bin/cargo" "+15a786332e2f0dd343b226ab6bb8ec028a350f73" "check" "--frozen" "--all" "--all-targets" "--message-format=json", 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] 3743250c66ad7810e1f94682dc605a203f9b0e7e9fea3f056df4e7b2cdd03ed0
[INFO] running `Command { std: "docker" "start" "-a" "3743250c66ad7810e1f94682dc605a203f9b0e7e9fea3f056df4e7b2cdd03ed0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.60
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]     Checking once_cell v1.7.0
[INFO] [stderr]     Checking regex-syntax v0.6.22
[INFO] [stderr]    Compiling serde_json v1.0.62
[INFO] [stderr]     Checking predicates-core v1.0.2
[INFO] [stderr]     Checking treeline v0.1.0
[INFO] [stderr]     Checking normalize-line-endings v0.3.0
[INFO] [stderr]    Compiling trybuild v1.0.41
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking predicates-tree v1.0.2
[INFO] [stderr]     Checking thread_local v1.1.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.4.3
[INFO] [stderr]     Checking predicates v1.0.7
[INFO] [stderr]     Checking assert_that v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling serde_derive v1.0.123
[INFO] [stderr]     Checking serde v1.0.123
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 43.57s
[INFO] running `Command { std: "docker" "inspect" "3743250c66ad7810e1f94682dc605a203f9b0e7e9fea3f056df4e7b2cdd03ed0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3743250c66ad7810e1f94682dc605a203f9b0e7e9fea3f056df4e7b2cdd03ed0", kill_on_drop: false }`
[INFO] [stdout] 3743250c66ad7810e1f94682dc605a203f9b0e7e9fea3f056df4e7b2cdd03ed0