[INFO] fetching crate hyperfine 1.11.0...
[INFO] checking hyperfine-1.11.0 against try#45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4 for pr-83744
[INFO] extracting crate hyperfine 1.11.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate hyperfine 1.11.0 on toolchain 45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate hyperfine 1.11.0
[INFO] finished tweaking crates.io crate hyperfine 1.11.0
[INFO] tweaked toml for crates.io crate hyperfine 1.11.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate crates.io crate hyperfine 1.11.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded byteorder v1.3.4
[INFO] [stderr]   Downloaded number_prefix v0.3.0
[INFO] [stderr]   Downloaded num-bigint v0.2.6
[INFO] [stderr]   Downloaded num-complex v0.2.4
[INFO] [stderr]   Downloaded approx v0.3.2
[INFO] [stderr]   Downloaded encode_unicode v0.3.6
[INFO] [stderr]   Downloaded term_size v0.3.2
[INFO] [stderr]   Downloaded csv v1.1.3
[INFO] [stderr]   Downloaded bstr v0.2.13
[INFO] [stderr]   Downloaded rust_decimal v1.8.1
[INFO] [stderr]   Downloaded colored v2.0.0
[INFO] [stderr]   Downloaded indicatif v0.15.0
[INFO] [stderr]   Downloaded serde v1.0.117
[INFO] [stderr]   Downloaded serde_json v1.0.59
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.9
[INFO] [stderr]   Downloaded terminal_size v0.1.13
[INFO] [stderr]   Downloaded regex v1.4.1
[INFO] [stderr]   Downloaded console v0.12.0
[INFO] [stderr]   Downloaded syn v1.0.44
[INFO] [stderr]   Downloaded statistical v1.0.0
[INFO] [stderr]   Downloaded libc v0.2.79
[INFO] [stderr]   Downloaded regex-syntax v0.6.20
[INFO] [stderr]   Downloaded num-iter v0.1.41
[INFO] [stderr]   Downloaded termios v0.3.3
[INFO] [stderr]   Downloaded num-rational v0.2.4
[INFO] [stderr]   Downloaded getrandom v0.1.15
[INFO] [stderr]   Downloaded serde_derive v1.0.117
[INFO] [stderr]   Downloaded num v0.2.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29f2cac23fad22db12a41a239ea71207f34f7cdb454bd051f7356f8e27247688
[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" "29f2cac23fad22db12a41a239ea71207f34f7cdb454bd051f7356f8e27247688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29f2cac23fad22db12a41a239ea71207f34f7cdb454bd051f7356f8e27247688", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29f2cac23fad22db12a41a239ea71207f34f7cdb454bd051f7356f8e27247688", kill_on_drop: false }`
[INFO] [stdout] 29f2cac23fad22db12a41a239ea71207f34f7cdb454bd051f7356f8e27247688
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+45d8b6e68beee1c9c1ce92ae258a7e02f8f13aa4" "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] 28203a2d4a4d4e1d115ad8c9176ccf48429b944d45a132b339a3f6f2c8bda652
[INFO] running `Command { std: "docker" "start" "-a" "28203a2d4a4d4e1d115ad8c9176ccf48429b944d45a132b339a3f6f2c8bda652", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.79
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling syn v1.0.44
[INFO] [stderr]    Compiling byteorder v1.3.4
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]     Checking regex-syntax v0.6.20
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]    Compiling version_check v0.9.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.41
[INFO] [stderr]    Compiling num-rational v0.2.4
[INFO] [stderr]    Compiling num-complex v0.2.4
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand_jitter v0.1.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking getrandom v0.1.15
[INFO] [stderr]     Checking term_size v0.3.2
[INFO] [stderr]     Checking terminal_size v0.1.13
[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking termios v0.3.3
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking regex v1.4.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking colored v2.0.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking console v0.12.0
[INFO] [stderr]     Checking indicatif v0.15.0
[INFO] [stderr]     Checking num v0.2.1
[INFO] [stderr]     Checking statistical v1.0.0
[INFO] [stderr]    Compiling serde_derive v1.0.117
[INFO] [stderr]    Compiling hyperfine v1.11.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking serde v1.0.117
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking rust_decimal v1.8.1
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 51.25s
[INFO] running `Command { std: "docker" "inspect" "28203a2d4a4d4e1d115ad8c9176ccf48429b944d45a132b339a3f6f2c8bda652", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28203a2d4a4d4e1d115ad8c9176ccf48429b944d45a132b339a3f6f2c8bda652", kill_on_drop: false }`
[INFO] [stdout] 28203a2d4a4d4e1d115ad8c9176ccf48429b944d45a132b339a3f6f2c8bda652