[INFO] fetching crate const_env--value 0.1.2...
[INFO] testing const_env--value-0.1.2 against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] extracting crate const_env--value 0.1.2 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate const_env--value 0.1.2 on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate const_env--value 0.1.2
[INFO] finished tweaking crates.io crate const_env--value 0.1.2
[INFO] tweaked toml for crates.io crate const_env--value 0.1.2 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate const_env--value 0.1.2 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9450dff4c664e0bb0610e20b4ebabd8ad91692be78e2b6a786e1bb8d4479313d
[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" "9450dff4c664e0bb0610e20b4ebabd8ad91692be78e2b6a786e1bb8d4479313d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9450dff4c664e0bb0610e20b4ebabd8ad91692be78e2b6a786e1bb8d4479313d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9450dff4c664e0bb0610e20b4ebabd8ad91692be78e2b6a786e1bb8d4479313d", kill_on_drop: false }`
[INFO] [stdout] 9450dff4c664e0bb0610e20b4ebabd8ad91692be78e2b6a786e1bb8d4479313d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 010b95e7c1004a5e51d0144515457be70d82253ce985a05541b11bae6a77b8b3
[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" "010b95e7c1004a5e51d0144515457be70d82253ce985a05541b11bae6a77b8b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.19
[INFO] [stderr]    Compiling syn v1.0.35
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling const_env_impl--value v0.1.2
[INFO] [stderr]    Compiling const_env--value v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.17s
[INFO] running `Command { std: "docker" "inspect" "010b95e7c1004a5e51d0144515457be70d82253ce985a05541b11bae6a77b8b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "010b95e7c1004a5e51d0144515457be70d82253ce985a05541b11bae6a77b8b3", kill_on_drop: false }`
[INFO] [stdout] 010b95e7c1004a5e51d0144515457be70d82253ce985a05541b11bae6a77b8b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dcd67558a7b4dd8fd676ba779ea1e1160346dcc519b9bef4c7a57527adc04490
[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" "dcd67558a7b4dd8fd676ba779ea1e1160346dcc519b9bef4c7a57527adc04490", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde v1.0.114
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling anyhow v1.0.32
[INFO] [stderr]    Compiling serde_json v1.0.56
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling compiletest_rs v0.5.0
[INFO] [stderr]    Compiling regex-syntax v0.6.18
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling aho-corasick v0.7.13
[INFO] [stderr]    Compiling dirs-sys v0.3.5
[INFO] [stderr]    Compiling filetime v0.2.10
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling term v0.6.1
[INFO] [stderr]    Compiling tester v0.7.0
[INFO] [stderr]    Compiling regex v1.3.9
[INFO] [stderr]    Compiling rustfix v0.5.1
[INFO] [stderr]    Compiling const_env--value v0.1.2 (/opt/rustwide/workdir)
[INFO] [stdout] error: proc macro panicked
[INFO] [stdout]  --> examples/value.rs:6:24
[INFO] [stdout]   |
[INFO] [stdout] 6 | const SMOKE_U32: u32 = value_from_env!("SMOKE_U32": u32);
[INFO] [stdout]   |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = help: message: no value available for environment variable 'SMOKE_U32'
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `const_env--value` 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" "dcd67558a7b4dd8fd676ba779ea1e1160346dcc519b9bef4c7a57527adc04490", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dcd67558a7b4dd8fd676ba779ea1e1160346dcc519b9bef4c7a57527adc04490", kill_on_drop: false }`
[INFO] [stdout] dcd67558a7b4dd8fd676ba779ea1e1160346dcc519b9bef4c7a57527adc04490