[INFO] fetching crate env_int 0.2.0...
[INFO] testing env_int-0.2.0 against try#dec9417b8611e34e787a3e4c37686b5131f9e5c5 for pr-154210-1
[INFO] extracting crate env_int 0.2.0 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate env_int 0.2.0
[INFO] finished tweaking crates.io crate env_int 0.2.0
[INFO] tweaked toml for crates.io crate env_int 0.2.0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate env_int 0.2.0 on toolchain dec9417b8611e34e787a3e4c37686b5131f9e5c5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]      Locking 6 packages to latest compatible versions
[INFO] [stderr]       Adding derive-syn-parse v0.1.5 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8fdd3f5e7da29c906b8497f05962dcd40722f13b91e90f120a99888f48eb3ca
[INFO] running `Command { std: "docker" "start" "-a" "a8fdd3f5e7da29c906b8497f05962dcd40722f13b91e90f120a99888f48eb3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8fdd3f5e7da29c906b8497f05962dcd40722f13b91e90f120a99888f48eb3ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8fdd3f5e7da29c906b8497f05962dcd40722f13b91e90f120a99888f48eb3ca", kill_on_drop: false }`
[INFO] [stdout] a8fdd3f5e7da29c906b8497f05962dcd40722f13b91e90f120a99888f48eb3ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/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" "RUSTDOCFLAGS=--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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+dec9417b8611e34e787a3e4c37686b5131f9e5c5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1af926ca4acfd3fb584ad78dd6c139a60d629c18decfba991c0ffb03de2b77d9
[INFO] running `Command { std: "docker" "start" "-a" "1af926ca4acfd3fb584ad78dd6c139a60d629c18decfba991c0ffb03de2b77d9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling derive-syn-parse v0.1.5
[INFO] [stderr]    Compiling env_int v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0433]: cannot find `tracked_env` in `proc_macro`
[INFO] [stdout]   --> src/lib.rs:20:31
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let lit_int = proc_macro::tracked_env::var(&env_name.to_string()).map(|x| LitInt::new(&x, Span::call_site())).unwrap_or_else(|_|...
[INFO] [stdout]    |                               ^^^^^^^^^^^ could not find `tracked_env` in `proc_macro`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0277]: the size for values of type `str` cannot be known at compilation time
[INFO] [stdout]   --> src/lib.rs:20:76
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let lit_int = proc_macro::tracked_env::var(&env_name.to_string()).map(|x| LitInt::new(&x, Span::call_site())).unwrap_or_else(|_|...
[INFO] [stdout]    |                                                                            ^ doesn't have a size known at compile-time
[INFO] [stdout]    |
[INFO] [stdout]    = help: the trait `Sized` is not implemented for `str`
[INFO] [stdout]    = note: all function arguments must have a statically known size
[INFO] [stdout]    = help: unsized fn params are gated as an unstable feature
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0277, E0433.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0277`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `env_int` (lib) due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "1af926ca4acfd3fb584ad78dd6c139a60d629c18decfba991c0ffb03de2b77d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1af926ca4acfd3fb584ad78dd6c139a60d629c18decfba991c0ffb03de2b77d9", kill_on_drop: false }`
[INFO] [stdout] 1af926ca4acfd3fb584ad78dd6c139a60d629c18decfba991c0ffb03de2b77d9