[INFO] fetching crate shorten 0.2.0...
[INFO] checking shorten-0.2.0 against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] extracting crate shorten 0.2.0 into /workspace/builds/worker-0/source
[INFO] validating manifest of crates.io crate shorten 0.2.0 on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate shorten 0.2.0
[INFO] finished tweaking crates.io crate shorten 0.2.0
[INFO] tweaked toml for crates.io crate shorten 0.2.0 written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0e60998680525198b5182efea8c125996efb6efc2bb153d180523925ae814662
[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" "0e60998680525198b5182efea8c125996efb6efc2bb153d180523925ae814662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0e60998680525198b5182efea8c125996efb6efc2bb153d180523925ae814662", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e60998680525198b5182efea8c125996efb6efc2bb153d180523925ae814662", kill_on_drop: false }`
[INFO] [stdout] 0e60998680525198b5182efea8c125996efb6efc2bb153d180523925ae814662
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4702141b4b011b4ef146ecd18fc4d2cc404bb64ac55b193c033b397f7f204778
[INFO] running `Command { std: "docker" "start" "-a" "4702141b4b011b4ef146ecd18fc4d2cc404bb64ac55b193c033b397f7f204778", kill_on_drop: false }`
[INFO] [stderr]     Checking shorten v0.2.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! s { ( $x:expr ) => { String::from($x); }; }
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 49 |         assert_eq!(s!("Hello"), String::from("Hello"));
[INFO] [stdout]    |                    ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 | macro_rules! ss {    ($x:expr, $y:expr) => ( &*format!("{}{}", $x, $y); ) }
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 54 |         assert_eq!(ss!("Hello", ", world"), "Hello, world");
[INFO] [stdout]    |                    ----------------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `ss` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! s { ( $x:expr ) => { String::from($x); }; }
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 56 |         let s1 = s!("Hello");
[INFO] [stdout]    |                  ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:38:51
[INFO] [stdout]    |
[INFO] [stdout] 38 | macro_rules! s { ( $x:expr ) => { String::from($x); }; }
[INFO] [stdout]    |                                                   ^
[INFO] [stdout] ...
[INFO] [stdout] 57 |         let s2 = s!(", world");
[INFO] [stdout]    |                  ------------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `s` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trailing semicolon in macro used in expression position
[INFO] [stdout]   --> src/lib.rs:42:68
[INFO] [stdout]    |
[INFO] [stdout] 42 | macro_rules! ss {    ($x:expr, $y:expr) => ( &*format!("{}{}", $x, $y); ) }
[INFO] [stdout]    |                                                                       ^
[INFO] [stdout] ...
[INFO] [stdout] 58 |         assert_eq!(ss!(s1, s2), "Hello, world");
[INFO] [stdout]    |                    ----------- in this macro invocation
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #79813 <https://github.com/rust-lang/rust/issues/79813>
[INFO] [stdout]    = note: this warning originates in the macro `ss` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.56s
[INFO] running `Command { std: "docker" "inspect" "4702141b4b011b4ef146ecd18fc4d2cc404bb64ac55b193c033b397f7f204778", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4702141b4b011b4ef146ecd18fc4d2cc404bb64ac55b193c033b397f7f204778", kill_on_drop: false }`
[INFO] [stdout] 4702141b4b011b4ef146ecd18fc4d2cc404bb64ac55b193c033b397f7f204778