[INFO] crate imagecli 0.2.0 is already in cache
[INFO] testing imagecli-0.2.0 against 1.44.0 for beta-1.45-1
[INFO] extracting crate imagecli 0.2.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate imagecli 0.2.0 on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate imagecli 0.2.0
[INFO] finished tweaking crates.io crate imagecli 0.2.0
[INFO] tweaked toml for crates.io crate imagecli 0.2.0 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate imagecli 0.2.0 already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b2680972245af96da0d6822ea0318537bcc019595e15fa29283b9a20aeb33085
[INFO] running `"docker" "start" "-a" "b2680972245af96da0d6822ea0318537bcc019595e15fa29283b9a20aeb33085"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling arrayvec v0.4.11
[INFO] [stderr]    Compiling nodrop v0.1.13
[INFO] [stderr]    Compiling proc-macro2 v1.0.3
[INFO] [stderr]    Compiling rayon-core v1.6.0
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling adler32 v1.0.3
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr]    Compiling num-iter v0.1.39
[INFO] [stderr]    Compiling num-bigint v0.2.3
[INFO] [stderr]    Compiling num-rational v0.2.2
[INFO] [stderr]    Compiling num-complex v0.2.3
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling crossbeam-utils v0.6.6
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling nom v5.0.1
[INFO] [stderr]    Compiling gif v0.10.2
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling atty v0.2.13
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling memoffset v0.5.1
[INFO] [stderr]    Compiling lexical-core v0.4.5
[INFO] [stderr]    Compiling stb_truetype v0.3.0
[INFO] [stderr]    Compiling deflate v0.7.20
[INFO] [stderr]    Compiling approx v0.3.2
[INFO] [stderr]    Compiling ordered-float v1.0.2
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling crossbeam-queue v0.1.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]    Compiling snafu-derive v0.5.0
[INFO] [stderr]    Compiling png v0.15.0
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling rulinalg v0.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.7.2
[INFO] [stderr]    Compiling rusttype v0.8.0
[INFO] [stderr]    Compiling backtrace v0.3.37
[INFO] [stderr]    Compiling crossbeam-deque v0.7.1
[INFO] [stderr]    Compiling rusttype v0.7.9
[INFO] [stderr]    Compiling rayon v1.2.0
[INFO] [stderr]    Compiling num v0.2.0
[INFO] [stderr]    Compiling snafu v0.5.0
[INFO] [stderr]    Compiling tiff v0.3.1
[INFO] [stderr]    Compiling jpeg-decoder v0.1.16
[INFO] [stderr]    Compiling proc-macro-error v0.2.6
[INFO] [stderr]    Compiling image v0.22.2
[INFO] [stderr]    Compiling structopt-derive v0.3.1
[INFO] [stderr]    Compiling imageproc v0.19.1
[INFO] [stderr]    Compiling structopt v0.3.1
[INFO] [stderr]    Compiling imagecli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 59s
[INFO] running `"docker" "inspect" "b2680972245af96da0d6822ea0318537bcc019595e15fa29283b9a20aeb33085"`
[INFO] running `"docker" "rm" "-f" "b2680972245af96da0d6822ea0318537bcc019595e15fa29283b9a20aeb33085"`
[INFO] [stdout] b2680972245af96da0d6822ea0318537bcc019595e15fa29283b9a20aeb33085
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 996dda9931c4751a919bf0100436ca59d136b2430ff8094fe80c2f32359c2b6a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "996dda9931c4751a919bf0100436ca59d136b2430ff8094fe80c2f32359c2b6a"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling imagecli v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stderr]  --> src/lib.rs:8:19
[INFO] [stderr]   |
[INFO] [stderr] 8 | #![cfg_attr(test, feature(test))]
[INFO] [stderr]   |                   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `imagecli`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "996dda9931c4751a919bf0100436ca59d136b2430ff8094fe80c2f32359c2b6a"`
[INFO] running `"docker" "rm" "-f" "996dda9931c4751a919bf0100436ca59d136b2430ff8094fe80c2f32359c2b6a"`
[INFO] [stdout] 996dda9931c4751a919bf0100436ca59d136b2430ff8094fe80c2f32359c2b6a