[INFO] cloning repository https://github.com/hseeberger/tower-experiments
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hseeberger/tower-experiments" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhseeberger%2Ftower-experiments", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhseeberger%2Ftower-experiments'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6305c0edc7426314ac6c7f38e153422d2661ae41
[INFO] checking hseeberger/tower-experiments against master#642c19bfc3a5c1de985bf5d0cc8207ac9d22708a for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhseeberger%2Ftower-experiments" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/hseeberger/tower-experiments
[INFO] finished tweaking git repo https://github.com/hseeberger/tower-experiments
[INFO] tweaked toml for git repo https://github.com/hseeberger/tower-experiments written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/hseeberger/tower-experiments on toolchain 642c19bfc3a5c1de985bf5d0cc8207ac9d22708a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/hseeberger/tower-experiments already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded hdrhistogram v7.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4fe44d32bf1136e706d6d5a4a5015b3248e84c67ac0bfdae38414306256c8e8
[INFO] running `Command { std: "docker" "start" "-a" "b4fe44d32bf1136e706d6d5a4a5015b3248e84c67ac0bfdae38414306256c8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4fe44d32bf1136e706d6d5a4a5015b3248e84c67ac0bfdae38414306256c8e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4fe44d32bf1136e706d6d5a4a5015b3248e84c67ac0bfdae38414306256c8e8", kill_on_drop: false }`
[INFO] [stdout] b4fe44d32bf1136e706d6d5a4a5015b3248e84c67ac0bfdae38414306256c8e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/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" "RUSTDOCFLAGS=--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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+642c19bfc3a5c1de985bf5d0cc8207ac9d22708a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 042ae8f7753d962f6ea36de319a560bc6b36483ac2662f291501b7e50181d949
[INFO] running `Command { std: "docker" "start" "-a" "042ae8f7753d962f6ea36de319a560bc6b36483ac2662f291501b7e50181d949", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.38
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling serde v1.0.189
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking getrandom v0.2.10
[INFO] [stderr]     Checking futures-io v0.3.28
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]     Checking num_cpus v1.16.0
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking regex-syntax v0.8.2
[INFO] [stderr]    Compiling serde_json v1.0.107
[INFO] [stderr]    Compiling anyhow v1.0.75
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]     Checking tracing-log v0.1.3
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking smallvec v1.11.1
[INFO] [stderr]     Checking hdrhistogram v7.5.2
[INFO] [stderr]     Checking regex-automata v0.4.3
[INFO] [stderr]     Checking regex v1.10.2
[INFO] [stderr]     Checking tracing-serde v0.1.3
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling tokio-macros v2.1.0
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling pin-project-internal v1.1.3
[INFO] [stderr]     Checking tokio v1.33.0
[INFO] [stderr]     Checking pin-project v1.1.3
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking tracing-subscriber v0.3.17
[INFO] [stderr]     Checking tokio-util v0.7.9
[INFO] [stderr]     Checking futures-executor v0.3.28
[INFO] [stderr]     Checking tower v0.4.13
[INFO] [stderr]     Checking futures v0.3.28
[INFO] [stderr]     Checking tower-experiments v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 27.72s
[INFO] running `Command { std: "docker" "inspect" "042ae8f7753d962f6ea36de319a560bc6b36483ac2662f291501b7e50181d949", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "042ae8f7753d962f6ea36de319a560bc6b36483ac2662f291501b7e50181d949", kill_on_drop: false }`
[INFO] [stdout] 042ae8f7753d962f6ea36de319a560bc6b36483ac2662f291501b7e50181d949