[INFO] cloning repository https://github.com/disco-rs/disco-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/disco-rs/disco-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisco-rs%2Fdisco-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisco-rs%2Fdisco-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b17e356d76ca614b0088836e7b2e4218876703c1
[INFO] checking disco-rs/disco-rs against try#8de4b308b608cded0ebccf658a0fc719bce87d4e for pr-89056
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdisco-rs%2Fdisco-rs" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/disco-rs/disco-rs on toolchain 8de4b308b608cded0ebccf658a0fc719bce87d4e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/disco-rs/disco-rs
[INFO] finished tweaking git repo https://github.com/disco-rs/disco-rs
[INFO] tweaked toml for git repo https://github.com/disco-rs/disco-rs written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/disco-rs/disco-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded darling_macro v0.12.4
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded darling v0.12.4
[INFO] [stderr]   Downloaded derive_builder_macro v0.10.2
[INFO] [stderr]   Downloaded darling_core v0.12.4
[INFO] [stderr]   Downloaded tokio-rustls v0.22.0
[INFO] [stderr]   Downloaded derive_builder v0.10.2
[INFO] [stderr]   Downloaded tungstenite v0.14.0
[INFO] [stderr]   Downloaded tokio-tungstenite v0.15.0
[INFO] [stderr]   Downloaded derive_builder_core v0.10.2
[INFO] [stderr]   Downloaded serde_repr v0.1.7
[INFO] [stderr]   Downloaded security-framework v2.3.1
[INFO] [stderr]   Downloaded security-framework-sys v2.3.0
[INFO] [stderr]   Downloaded rustls-native-certs v0.5.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ec7630a158e7ca6e94bf4d78373e67b2cb6ea2736ebd01d9b39768bd8e5c6e6
[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" "5ec7630a158e7ca6e94bf4d78373e67b2cb6ea2736ebd01d9b39768bd8e5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ec7630a158e7ca6e94bf4d78373e67b2cb6ea2736ebd01d9b39768bd8e5c6e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ec7630a158e7ca6e94bf4d78373e67b2cb6ea2736ebd01d9b39768bd8e5c6e6", kill_on_drop: false }`
[INFO] [stdout] 5ec7630a158e7ca6e94bf4d78373e67b2cb6ea2736ebd01d9b39768bd8e5c6e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+8de4b308b608cded0ebccf658a0fc719bce87d4e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 16475314da33cab6696e99d365daf6ade389d0b7b12609ac126054a5893e1c27
[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" "16475314da33cab6696e99d365daf6ade389d0b7b12609ac126054a5893e1c27", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling openssl v0.10.35
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling native-tls v0.2.7
[INFO] [stderr]     Checking ipnet v2.3.1
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking socket2 v0.4.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking indexmap v1.7.0
[INFO] [stderr]     Checking ring v0.16.20
[INFO] [stderr]     Checking idna v0.2.3
[INFO] [stderr]     Checking tracing-core v0.1.18
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]    Compiling darling_core v0.12.4
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling pin-project-internal v1.0.8
[INFO] [stderr]    Compiling serde_repr v0.1.7
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]     Checking tracing v0.1.26
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking url v2.2.2
[INFO] [stderr]     Checking rand v0.8.4
[INFO] [stderr]     Checking webpki v0.21.4
[INFO] [stderr]     Checking sct v0.6.1
[INFO] [stderr]     Checking tokio v1.9.0
[INFO] [stderr]     Checking rustls v0.19.1
[INFO] [stderr]     Checking webpki-roots v0.21.1
[INFO] [stderr]     Checking chrono v0.4.19
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking pin-project v1.0.8
[INFO] [stderr]    Compiling darling_macro v0.12.4
[INFO] [stderr]     Checking rustls-native-certs v0.5.0
[INFO] [stderr]     Checking tungstenite v0.14.0
[INFO] [stderr]    Compiling darling v0.12.4
[INFO] [stderr]    Compiling derive_builder_core v0.10.2
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking tokio-native-tls v0.3.0
[INFO] [stderr]     Checking tokio-rustls v0.22.0
[INFO] [stderr]     Checking serde v1.0.126
[INFO] [stderr]    Compiling derive_builder_macro v0.10.2
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking tokio-tungstenite v0.15.0
[INFO] [stderr]     Checking h2 v0.3.3
[INFO] [stderr]     Checking derive_builder v0.10.2
[INFO] [stderr]     Checking serde_urlencoded v0.7.0
[INFO] [stderr]     Checking serde_json v1.0.64
[INFO] [stderr]     Checking hyper v0.14.11
[INFO] [stderr]     Checking hyper-tls v0.5.0
[INFO] [stderr]     Checking reqwest v0.11.4
[INFO] [stderr]     Checking disco-rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 56.24s
[INFO] running `Command { std: "docker" "inspect" "16475314da33cab6696e99d365daf6ade389d0b7b12609ac126054a5893e1c27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16475314da33cab6696e99d365daf6ade389d0b7b12609ac126054a5893e1c27", kill_on_drop: false }`
[INFO] [stdout] 16475314da33cab6696e99d365daf6ade389d0b7b12609ac126054a5893e1c27