[INFO] fetching crate noria-mir 0.6.0...
[INFO] testing noria-mir-0.6.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate noria-mir 0.6.0 into /workspace/builds/worker-9/source
[INFO] validating manifest of crates.io crate noria-mir 0.6.0 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate noria-mir 0.6.0
[INFO] finished tweaking crates.io crate noria-mir 0.6.0
[INFO] tweaked toml for crates.io crate noria-mir 0.6.0 written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 491ee5e3f8a85eb5204cc1a82ab86e00a3529463d66badae90f0130be249b54c
[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" "491ee5e3f8a85eb5204cc1a82ab86e00a3529463d66badae90f0130be249b54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "491ee5e3f8a85eb5204cc1a82ab86e00a3529463d66badae90f0130be249b54c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "491ee5e3f8a85eb5204cc1a82ab86e00a3529463d66badae90f0130be249b54c", kill_on_drop: false }`
[INFO] [stdout] 491ee5e3f8a85eb5204cc1a82ab86e00a3529463d66badae90f0130be249b54c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8a9440b9e1f11a960ad85f800f159f8e4b69f9981b4a9c830ca26fdd10dccee1
[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" "8a9440b9e1f11a960ad85f800f159f8e4b69f9981b4a9c830ca26fdd10dccee1", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling tiny-keccak v2.0.2
[INFO] [stderr]    Compiling bindgen v0.59.2
[INFO] [stderr]    Compiling rust_decimal v1.22.0
[INFO] [stderr]    Compiling arrayvec v0.7.2
[INFO] [stderr]    Compiling sha1_smol v1.0.0
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling bufstream v0.1.4
[INFO] [stderr]    Compiling hashbag v0.1.4
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling time v0.2.27
[INFO] [stderr]    Compiling left-right v0.11.4
[INFO] [stderr]    Compiling tower-make v0.3.0
[INFO] [stderr]    Compiling jobserver v0.1.24
[INFO] [stderr]    Compiling getrandom v0.2.5
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling timekeeper v0.3.2
[INFO] [stderr]    Compiling tempfile v3.3.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling clang-sys v1.3.1
[INFO] [stderr]    Compiling nom v5.1.2
[INFO] [stderr]    Compiling lexical v5.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling sha1 v0.6.1
[INFO] [stderr]    Compiling cc v1.0.73
[INFO] [stderr]    Compiling pin-project-internal v0.4.29
[INFO] [stderr]    Compiling futures-macro v0.3.21
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling time-macros-impl v0.1.2
[INFO] [stderr]    Compiling zookeeper_derive v0.4.1
[INFO] [stderr]    Compiling mio-uds v0.6.8
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling tracing v0.1.31
[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]    Compiling arccstr v1.3.1
[INFO] [stderr]    Compiling tokio v0.2.25
[INFO] [stderr]    Compiling const-random-macro v0.1.13
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling nom-sql v0.0.11
[INFO] [stderr]    Compiling zookeeper v0.5.10
[INFO] [stderr]    Compiling time-macros v0.1.1
[INFO] [stderr]    Compiling backtrace v0.3.64
[INFO] [stderr]    Compiling libz-sys v1.1.3
[INFO] [stderr]    Compiling jemalloc-sys v0.3.2
[INFO] [stderr]    Compiling cexpr v0.6.0
[INFO] [stderr]    Compiling const-random v0.1.13
[INFO] [stderr]    Compiling bigdecimal v0.1.2
[INFO] [stderr]    Compiling twox-hash v1.6.2
[INFO] [stderr]    Compiling ahash v0.3.8
[INFO] [stderr]    Compiling evmap v11.0.0-alpha.7
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling assert_infrequent v0.1.0
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling tracing-futures v0.2.5
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/assert_infrequent-0.1.0/src/lib.rs:1:12
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(test)]
[INFO] [stdout]   |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `assert_infrequent` due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "8a9440b9e1f11a960ad85f800f159f8e4b69f9981b4a9c830ca26fdd10dccee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8a9440b9e1f11a960ad85f800f159f8e4b69f9981b4a9c830ca26fdd10dccee1", kill_on_drop: false }`
[INFO] [stdout] 8a9440b9e1f11a960ad85f800f159f8e4b69f9981b4a9c830ca26fdd10dccee1