[INFO] cloning repository https://github.com/mtso/habits-api
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mtso/habits-api" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtso%2Fhabits-api", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtso%2Fhabits-api'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4cab87f1e6493abd8231e6f9df8d1475d66ecb07
[INFO] checking mtso/habits-api against 1.55.0 for beta-1.56-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmtso%2Fhabits-api" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mtso/habits-api 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 git repo https://github.com/mtso/habits-api
[INFO] finished tweaking git repo https://github.com/mtso/habits-api
[INFO] tweaked toml for git repo https://github.com/mtso/habits-api written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/mtso/habits-api 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 serde_bytes v0.10.4
[INFO] [stderr]   Downloaded cmake v0.1.32
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] 754be45b75bac2ff94cceead3c2449dee72a5204e2aa63f3e1555385319caada
[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" "754be45b75bac2ff94cceead3c2449dee72a5204e2aa63f3e1555385319caada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "754be45b75bac2ff94cceead3c2449dee72a5204e2aa63f3e1555385319caada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "754be45b75bac2ff94cceead3c2449dee72a5204e2aa63f3e1555385319caada", kill_on_drop: false }`
[INFO] [stdout] 754be45b75bac2ff94cceead3c2449dee72a5204e2aa63f3e1555385319caada
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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] c5c7a3a062871ada90e96c45b5bb5c2a742c11e4fa87a7975a06e11e1e73966c
[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" "c5c7a3a062871ada90e96c45b5bb5c2a742c11e4fa87a7975a06e11e1e73966c", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling uninitialized v0.0.2
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling ring v0.13.2
[INFO] [stderr]    Compiling cmake v0.1.32
[INFO] [stderr]    Compiling bzip2-sys v0.1.6 (https://github.com/alexcrichton/bzip2-rs.git#54aef435)
[INFO] [stderr]    Compiling lz4-sys v1.8.0 (https://github.com/busyjay/lz4-rs.git?branch=adjust-build#41509fea)
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling pear_codegen v0.1.0 (http://github.com/SergioBenitez/Pear?rev=b475140#b4751403)
[INFO] [stderr]    Compiling base64 v0.5.2
[INFO] [stderr]    Compiling libz-sys v1.0.18 (https://github.com/busyjay/libz-sys.git?branch=static-link#bb77b618)
[INFO] [stderr]    Compiling time v0.1.40
[INFO] [stderr]    Compiling rocket v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=b0f86dc#b0f86dcb)
[INFO] [stderr]    Compiling rocket_codegen v0.4.0-dev (https://github.com/SergioBenitez/Rocket.git?rev=b0f86dc#b0f86dcb)
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]    Compiling smallvec v0.6.3
[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/proc-macro2-0.4.9/src/lib.rs:47:34
[INFO] [stdout]    |
[INFO] [stdout] 47 | #![cfg_attr(feature = "nightly", feature(proc_macro_raw_ident, proc_macro_span))]
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]     Checking serde_bytes v0.10.4
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stdout] error[E0658]: use of unstable library feature 'proc_macro_def_site'
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/proc-macro2-0.4.9/src/unstable.rs:347:27
[INFO] [stdout]     |
[INFO] [stdout] 347 |             Span::Nightly(proc_macro::Span::def_site())
[INFO] [stdout]     |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: see issue #54724 <https://github.com/rust-lang/rust/issues/54724> for more information
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0554, E0658.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr]     Checking url v1.7.1
[INFO] [stderr] error: could not compile `proc-macro2` due to 3 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "c5c7a3a062871ada90e96c45b5bb5c2a742c11e4fa87a7975a06e11e1e73966c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5c7a3a062871ada90e96c45b5bb5c2a742c11e4fa87a7975a06e11e1e73966c", kill_on_drop: false }`
[INFO] [stdout] c5c7a3a062871ada90e96c45b5bb5c2a742c11e4fa87a7975a06e11e1e73966c
