[INFO] fetching crate alexcrichton-cranelift-codegen 0.53.0...
[INFO] checking alexcrichton-cranelift-codegen-0.53.0 against master#a5f164faad4a2fed606b8160fd7ecd2d5cbba381 for pr-84920
[INFO] extracting crate alexcrichton-cranelift-codegen 0.53.0 into /workspace/builds/worker-5/source
[INFO] validating manifest of crates.io crate alexcrichton-cranelift-codegen 0.53.0 on toolchain a5f164faad4a2fed606b8160fd7ecd2d5cbba381
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate alexcrichton-cranelift-codegen 0.53.0
[INFO] finished tweaking crates.io crate alexcrichton-cranelift-codegen 0.53.0
[INFO] tweaked toml for crates.io crate alexcrichton-cranelift-codegen 0.53.0 written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f76e3560a68fce472d96e917642a1fc29f4522b28fea6bfa7645e37e71cf15b6
[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" "f76e3560a68fce472d96e917642a1fc29f4522b28fea6bfa7645e37e71cf15b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f76e3560a68fce472d96e917642a1fc29f4522b28fea6bfa7645e37e71cf15b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f76e3560a68fce472d96e917642a1fc29f4522b28fea6bfa7645e37e71cf15b6", kill_on_drop: false }`
[INFO] [stdout] f76e3560a68fce472d96e917642a1fc29f4522b28fea6bfa7645e37e71cf15b6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+a5f164faad4a2fed606b8160fd7ecd2d5cbba381" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 18d4622a61dc495aa868513761db198843f4b88eb586d27ab820d73a90164153
[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" "18d4622a61dc495aa868513761db198843f4b88eb586d27ab820d73a90164153", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-shared v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-entity v0.53.0
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling target-lexicon v0.10.0
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking smallvec v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking alexcrichton-cranelift-bforest v0.53.0
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen-meta v0.53.0
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling thiserror-impl v1.0.24
[INFO] [stderr]     Checking thiserror v1.0.24
[INFO] [stderr]    Compiling alexcrichton-cranelift-codegen v0.53.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/verifier/mod.rs:2018:32
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                           panic!(format!(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 2019 | |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 | |                             message, $msg
[INFO] [stdout] 2021 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout] ...
[INFO] [stdout] 2065 |           assert_err_with_msg!(errors, "instruction format");
[INFO] [stdout]      |           --------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(non_fmt_panic)]` on by default
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                         panic!(
[INFO] [stdout] 2019 |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 |                             message, $msg
[INFO] [stdout] 2021 |                         );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/verifier/mod.rs:2018:32
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                           panic!(format!(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 2019 | |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 | |                             message, $msg
[INFO] [stdout] 2021 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout] ...
[INFO] [stdout] 2078 |           assert_err_with_msg!(errors, "Parameter at position 0 has an invalid type");
[INFO] [stdout]      |           ---------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                         panic!(
[INFO] [stdout] 2019 |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 |                             message, $msg
[INFO] [stdout] 2021 |                         );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/verifier/mod.rs:2018:32
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                           panic!(format!(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 2019 | |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 | |                             message, $msg
[INFO] [stdout] 2021 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout] ...
[INFO] [stdout] 2091 |           assert_err_with_msg!(errors, "Return value at position 0 has an invalid type");
[INFO] [stdout]      |           ------------------------------------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                         panic!(
[INFO] [stdout] 2019 |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 |                             message, $msg
[INFO] [stdout] 2021 |                         );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]     --> src/verifier/mod.rs:2018:32
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                           panic!(format!(
[INFO] [stdout]      |  ________________________________^
[INFO] [stdout] 2019 | |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 | |                             message, $msg
[INFO] [stdout] 2021 | |                         ));
[INFO] [stdout]      | |_________________________^
[INFO] [stdout] ...
[INFO] [stdout] 2135 |           assert_err_with_msg!(errors, "ebb0 cannot be empty");
[INFO] [stdout]      |           ----------------------------------------------------- in this macro invocation
[INFO] [stdout]      |
[INFO] [stdout]      = note: this is no longer accepted in Rust 2021
[INFO] [stdout]      = note: the panic!() macro supports formatting, so there's no need for the format!() macro here
[INFO] [stdout]      = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] help: remove the `format!(..)` macro call
[INFO] [stdout]      |
[INFO] [stdout] 2018 |                         panic!(
[INFO] [stdout] 2019 |                             "'{}' did not contain the substring '{}'",
[INFO] [stdout] 2020 |                             message, $msg
[INFO] [stdout] 2021 |                         );
[INFO] [stdout]      |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.34s
[INFO] running `Command { std: "docker" "inspect" "18d4622a61dc495aa868513761db198843f4b88eb586d27ab820d73a90164153", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18d4622a61dc495aa868513761db198843f4b88eb586d27ab820d73a90164153", kill_on_drop: false }`
[INFO] [stdout] 18d4622a61dc495aa868513761db198843f4b88eb586d27ab820d73a90164153