[INFO] fetching crate securefmt 0.1.2...
[INFO] checking securefmt-0.1.2 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate securefmt 0.1.2 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate securefmt 0.1.2 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate securefmt 0.1.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate securefmt 0.1.2
[INFO] tweaked toml for crates.io crate securefmt 0.1.2 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded downcast v0.10.0
[INFO] [stderr]   Downloaded mockall_derive v0.9.1
[INFO] [stderr]   Downloaded assertx v1.1.7
[INFO] [stderr]   Downloaded fragile v1.0.0
[INFO] [stderr]   Downloaded predicates v1.0.8
[INFO] [stderr]   Downloaded predicates-core v1.0.2
[INFO] [stderr]   Downloaded predicates-tree v1.0.2
[INFO] [stderr]   Downloaded mockall v0.9.1
[INFO] [stderr]   Downloaded pretty_assertions v0.7.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0242acbc71a38766c2e90803ceac1e556e3aa8de2f42c302739c5a51f3899e28
[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" "0242acbc71a38766c2e90803ceac1e556e3aa8de2f42c302739c5a51f3899e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0242acbc71a38766c2e90803ceac1e556e3aa8de2f42c302739c5a51f3899e28", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0242acbc71a38766c2e90803ceac1e556e3aa8de2f42c302739c5a51f3899e28", kill_on_drop: false }`
[INFO] [stdout] 0242acbc71a38766c2e90803ceac1e556e3aa8de2f42c302739c5a51f3899e28
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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] b390110ea8a6eea68bda74460f15a415c8ea0d077169e7e0fc780b9c22613abb
[INFO] running `Command { std: "docker" "start" "-a" "b390110ea8a6eea68bda74460f15a415c8ea0d077169e7e0fc780b9c22613abb", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling anyhow v1.0.40
[INFO] [stderr]     Checking unicode-xid v0.2.2
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling trybuild v1.0.42
[INFO] [stderr]     Checking glob v0.3.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking pretty_assertions v0.7.2
[INFO] [stderr]     Checking log v0.4.14
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking proc-macro2 v1.0.26
[INFO] [stderr]     Checking assertx v1.1.7
[INFO] [stderr]     Checking quote v1.0.9
[INFO] [stderr]     Checking float-cmp v0.8.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking predicates v1.0.8
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]    Compiling mockall_derive v0.9.1
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]     Checking securefmt v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking mockall v0.9.1
[INFO] [stderr]     Checking serde v1.0.125
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "b390110ea8a6eea68bda74460f15a415c8ea0d077169e7e0fc780b9c22613abb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b390110ea8a6eea68bda74460f15a415c8ea0d077169e7e0fc780b9c22613abb", kill_on_drop: false }`
[INFO] [stdout] b390110ea8a6eea68bda74460f15a415c8ea0d077169e7e0fc780b9c22613abb