[INFO] fetching crate container-rs 0.1.1...
[INFO] checking container-rs-0.1.1 against 1.55.0 for beta-1.56-3
[INFO] extracting crate container-rs 0.1.1 into /workspace/builds/worker-118/source
[INFO] validating manifest of crates.io crate container-rs 0.1.1 on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate container-rs 0.1.1
[INFO] finished tweaking crates.io crate container-rs 0.1.1
[INFO] tweaked toml for crates.io crate container-rs 0.1.1 written to /workspace/builds/worker-118/source/Cargo.toml
[INFO] crate crates.io crate container-rs 0.1.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-macros v1.3.0
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.0
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded pin-project-lite v0.2.7
[INFO] [stderr]   Downloaded once_cell v1.8.0
[INFO] [stderr]   Downloaded thiserror-impl v1.0.26
[INFO] [stderr]   Downloaded thiserror v1.0.26
[INFO] [stderr]   Downloaded miow v0.3.7
[INFO] [stderr]   Downloaded nix v0.19.1
[INFO] [stderr]   Downloaded slab v0.4.4
[INFO] [stderr]   Downloaded proc-macro-hack v0.5.19
[INFO] [stderr]   Downloaded futures-io v0.3.16
[INFO] [stderr]   Downloaded anyhow v1.0.42
[INFO] [stderr]   Downloaded env_logger v0.9.0
[INFO] [stderr]   Downloaded humantime v2.1.0
[INFO] [stderr]   Downloaded proc-macro-nested v0.1.7
[INFO] [stderr]   Downloaded mio v0.7.13
[INFO] [stderr]   Downloaded lock_api v0.4.4
[INFO] [stderr]   Downloaded instant v0.1.10
[INFO] [stderr]   Downloaded futures-channel v0.3.16
[INFO] [stderr]   Downloaded netlink-packet-utils v0.4.1
[INFO] [stderr]   Downloaded ipnetwork v0.18.0
[INFO] [stderr]   Downloaded netlink-packet-route v0.7.1
[INFO] [stderr]   Downloaded byteordered v0.5.0
[INFO] [stderr]   Downloaded pin-utils v0.1.0
[INFO] [stderr]   Downloaded netlink-packet-core v0.2.4
[INFO] [stderr]   Downloaded nix v0.22.0
[INFO] [stderr]   Downloaded netlink-sys v0.7.0
[INFO] [stderr]   Downloaded ntapi v0.3.6
[INFO] [stderr]   Downloaded rtnetlink v0.8.0
[INFO] [stderr]   Downloaded netlink-proto v0.7.0
[INFO] [stderr]   Downloaded bytes v1.0.1
[INFO] [stderr]   Downloaded tokio v1.9.0
[INFO] [stderr]   Downloaded termcolor v1.1.2
[INFO] [stderr]   Downloaded futures-task v0.3.16
[INFO] [stderr]   Downloaded paste v1.0.5
[INFO] [stderr]   Downloaded futures-executor v0.3.16
[INFO] [stderr]   Downloaded futures-macro v0.3.16
[INFO] [stderr]   Downloaded tokio-util v0.6.7
[INFO] [stderr]   Downloaded futures-util v0.3.16
[INFO] [stderr]   Downloaded futures v0.3.16
[INFO] [stderr]   Downloaded futures-sink v0.3.16
[INFO] [stderr]   Downloaded futures-core v0.3.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 01c78ec17b59969ba3195f3553c9ecb6319a6fa755dadbca51bce6b26ebdf893
[INFO] running `Command { std: "docker" "start" "-a" "01c78ec17b59969ba3195f3553c9ecb6319a6fa755dadbca51bce6b26ebdf893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "01c78ec17b59969ba3195f3553c9ecb6319a6fa755dadbca51bce6b26ebdf893", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01c78ec17b59969ba3195f3553c9ecb6319a6fa755dadbca51bce6b26ebdf893", kill_on_drop: false }`
[INFO] [stdout] 01c78ec17b59969ba3195f3553c9ecb6319a6fa755dadbca51bce6b26ebdf893
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-118/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9f8b27a74f27cc4ba716935fd1ded816235bb05c757a63801be2774a0558b471
[INFO] running `Command { std: "docker" "start" "-a" "9f8b27a74f27cc4ba716935fd1ded816235bb05c757a63801be2774a0558b471", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]    Compiling futures-core v0.3.16
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling futures-task v0.3.16
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling anyhow v1.0.42
[INFO] [stderr]     Checking slab v0.4.4
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]    Compiling paste v1.0.5
[INFO] [stderr]     Checking bytes v1.0.1
[INFO] [stderr]     Checking once_cell v1.8.0
[INFO] [stderr]    Compiling serde v1.0.127
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking termcolor v1.1.2
[INFO] [stderr]     Checking humantime v2.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]    Compiling futures-util v0.3.16
[INFO] [stderr]    Compiling tokio v1.9.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]     Checking instant v0.1.10
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking byteordered v0.5.0
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking parking_lot_core v0.8.3
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking mio v0.7.13
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking nix v0.22.0
[INFO] [stderr]     Checking ipnetwork v0.18.0
[INFO] [stderr]     Checking env_logger v0.9.0
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking parking_lot v0.11.1
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling tokio-macros v1.3.0
[INFO] [stderr]     Checking thiserror v1.0.26
[INFO] [stderr]     Checking netlink-packet-utils v0.4.1
[INFO] [stderr]     Checking netlink-packet-core v0.2.4
[INFO] [stderr]     Checking netlink-packet-route v0.7.1
[INFO] [stderr]     Checking futures-executor v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking netlink-sys v0.7.0
[INFO] [stderr]     Checking tokio-util v0.6.7
[INFO] [stderr]     Checking netlink-proto v0.7.0
[INFO] [stderr]     Checking rtnetlink v0.8.0
[INFO] [stderr]     Checking container-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_symlink)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(is_symlink)]
[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] [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 `container-rs` 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" "9f8b27a74f27cc4ba716935fd1ded816235bb05c757a63801be2774a0558b471", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f8b27a74f27cc4ba716935fd1ded816235bb05c757a63801be2774a0558b471", kill_on_drop: false }`
[INFO] [stdout] 9f8b27a74f27cc4ba716935fd1ded816235bb05c757a63801be2774a0558b471
