[INFO] fetching crate bench-rs 0.2.4...
[INFO] checking bench-rs-0.2.4 against try#cac44d9528e3bbbdaa1537d187bd489ccc5de18c for pr-91141
[INFO] extracting crate bench-rs 0.2.4 into /workspace/builds/worker-54/source
[INFO] validating manifest of crates.io crate bench-rs 0.2.4 on toolchain cac44d9528e3bbbdaa1537d187bd489ccc5de18c
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bench-rs 0.2.4
[INFO] finished tweaking crates.io crate bench-rs 0.2.4
[INFO] tweaked toml for crates.io crate bench-rs 0.2.4 written to /workspace/builds/worker-54/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c6b3acb0b1c5642f39667e46f165baf1a41fda0b57c3a07e16bfcca6af7eb2e
[INFO] running `Command { std: "docker" "start" "-a" "3c6b3acb0b1c5642f39667e46f165baf1a41fda0b57c3a07e16bfcca6af7eb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c6b3acb0b1c5642f39667e46f165baf1a41fda0b57c3a07e16bfcca6af7eb2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c6b3acb0b1c5642f39667e46f165baf1a41fda0b57c3a07e16bfcca6af7eb2e", kill_on_drop: false }`
[INFO] [stdout] 3c6b3acb0b1c5642f39667e46f165baf1a41fda0b57c3a07e16bfcca6af7eb2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-54/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+cac44d9528e3bbbdaa1537d187bd489ccc5de18c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cf21a326576cdb4420a1a6c663dc5c3a6d5ec519826861e025fffec7daf97a0
[INFO] running `Command { std: "docker" "start" "-a" "6cf21a326576cdb4420a1a6c663dc5c3a6d5ec519826861e025fffec7daf97a0", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling ppv-lite86 v0.2.15
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-task v0.3.18
[INFO] [stderr]    Compiling futures-channel v0.3.18
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling strsim v0.9.3
[INFO] [stderr]    Compiling siphasher v0.3.7
[INFO] [stderr]    Compiling pin-project-internal v0.4.28
[INFO] [stderr]    Compiling signal-hook v0.3.10
[INFO] [stderr]     Checking pin-utils v0.1.0
[INFO] [stderr]    Compiling unicode-segmentation v1.8.0
[INFO] [stderr]     Checking futures-sink v0.3.18
[INFO] [stderr]    Compiling futures-util v0.3.18
[INFO] [stderr]    Compiling argh_shared v0.1.6
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking pin-project-lite v0.1.12
[INFO] [stderr]     Checking bytes v0.5.6
[INFO] [stderr]     Checking base64 v0.12.3
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling value-bag v1.0.0-alpha.8
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking async-mutex v1.4.0
[INFO] [stderr]    Compiling litrs v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.2
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]    Compiling ctor v0.1.21
[INFO] [stderr]    Compiling futures-macro v0.3.18
[INFO] [stderr]     Checking serde v1.0.130
[INFO] [stderr]    Compiling phf_shared v0.8.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling heck v0.3.3
[INFO] [stderr]     Checking tokio v0.2.25
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling argh_derive v0.1.6
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling bunt-macros v0.2.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking blocking v1.1.0
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling phf_generator v0.8.0
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking polling v2.2.0
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]     Checking bunt v0.2.6
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking async-global-executor v2.0.2
[INFO] [stderr]     Checking async-process v1.3.0
[INFO] [stderr]     Checking async-std v1.10.0
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]     Checking pin-project v0.4.28
[INFO] [stderr]     Checking argh v0.1.6
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]     Checking phf v0.8.0
[INFO] [stderr]     Checking rcnb-rs v0.1.0
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling bencher-macro v0.1.1
[INFO] [stderr]     Checking futures-executor v0.3.18
[INFO] [stderr]     Checking futures v0.3.18
[INFO] [stderr]     Checking bench-rs v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.70s
[INFO] running `Command { std: "docker" "inspect" "6cf21a326576cdb4420a1a6c663dc5c3a6d5ec519826861e025fffec7daf97a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cf21a326576cdb4420a1a6c663dc5c3a6d5ec519826861e025fffec7daf97a0", kill_on_drop: false }`
[INFO] [stdout] 6cf21a326576cdb4420a1a6c663dc5c3a6d5ec519826861e025fffec7daf97a0