[INFO] fetching crate heliometer 0.5.10...
[INFO] checking heliometer-0.5.10 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920
[INFO] extracting crate heliometer 0.5.10 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate heliometer 0.5.10 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 heliometer 0.5.10
[INFO] finished tweaking crates.io crate heliometer 0.5.10
[INFO] tweaked toml for crates.io crate heliometer 0.5.10 written to /workspace/builds/worker-1/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 tinytemplate v1.2.1
[INFO] [stderr]   Downloaded criterion-plot v0.3.1
[INFO] [stderr]   Downloaded error-chain v0.11.0
[INFO] [stderr]   Downloaded colored v1.9.3
[INFO] [stderr]   Downloaded environment v0.1.1
[INFO] [stderr]   Downloaded assert_cli v0.5.4
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded rand_xoshiro v0.1.0
[INFO] [stderr]   Downloaded itertools v0.8.2
[INFO] [stderr]   Downloaded criterion v0.2.11
[INFO] [stderr]   Downloaded csv v1.1.6
[INFO] [stderr]   Downloaded difference v1.0.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 83270c420bbce3d9849235ea86fadbb9c03e08d208f691cbc845b485cdd8cf15
[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" "83270c420bbce3d9849235ea86fadbb9c03e08d208f691cbc845b485cdd8cf15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83270c420bbce3d9849235ea86fadbb9c03e08d208f691cbc845b485cdd8cf15", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83270c420bbce3d9849235ea86fadbb9c03e08d208f691cbc845b485cdd8cf15", kill_on_drop: false }`
[INFO] [stdout] 83270c420bbce3d9849235ea86fadbb9c03e08d208f691cbc845b485cdd8cf15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] 83563b5d6b976cb0f3fa2f6965bfac22ee4a77693aeda46fe89fad8cd8eacca6
[INFO] running `Command { std: "docker" "start" "-a" "83563b5d6b976cb0f3fa2f6965bfac22ee4a77693aeda46fe89fad8cd8eacca6", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling serde_derive v1.0.125
[INFO] [stderr]    Compiling serde v1.0.125
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling remove_dir_all v0.5.3
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling bytecount v0.6.2
[INFO] [stderr]     Checking object v0.23.0
[INFO] [stderr]     Checking environment v0.1.1
[INFO] [stderr]     Checking heliometer v0.5.10 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling backtrace v0.3.58
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]     Checking addr2line v0.14.1
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking itertools v0.8.2
[INFO] [stderr]     Checking libc v0.2.94
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rand_xoshiro v0.1.0
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]     Checking criterion-plot v0.3.1
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]    Compiling tempfile v3.2.0
[INFO] [stderr]     Checking error-chain v0.11.0
[INFO] [stderr]     Checking bstr v0.2.16
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling cargo-platform v0.1.1
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.2.11
[INFO] [stderr]    Compiling cargo_metadata v0.12.3
[INFO] [stderr]    Compiling skeptic v0.13.6
[INFO] [stderr]    Compiling assert_cli v0.5.4
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.12s
[INFO] running `Command { std: "docker" "inspect" "83563b5d6b976cb0f3fa2f6965bfac22ee4a77693aeda46fe89fad8cd8eacca6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83563b5d6b976cb0f3fa2f6965bfac22ee4a77693aeda46fe89fad8cd8eacca6", kill_on_drop: false }`
[INFO] [stdout] 83563b5d6b976cb0f3fa2f6965bfac22ee4a77693aeda46fe89fad8cd8eacca6