[INFO] fetching crate alexcrichton-cranelift-frontend 0.53.0... [INFO] checking alexcrichton-cranelift-frontend-0.53.0 against master#385fa9d845dd326c6bbfd58c22244215e431948a for never-type-fallback-to-never [INFO] extracting crate alexcrichton-cranelift-frontend 0.53.0 into /workspace/builds/worker-3-tc1/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-frontend 0.53.0 on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-frontend 0.53.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 29 packages [INFO] [stderr] Adding ahash v0.2.19 (latest: v0.8.11) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding hashbrown v0.6.3 (latest: v0.14.3) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded tiny-keccak v2.0.2 [INFO] [stderr] Downloaded const-random-macro v0.1.16 [INFO] [stderr] Downloaded crunchy v0.2.2 [INFO] [stderr] Downloaded target-lexicon v0.10.0 [INFO] [stderr] Downloaded const-random v0.1.18 [INFO] [stderr] Downloaded ahash v0.2.19 [INFO] [stderr] Downloaded hashbrown v0.6.3 [INFO] [stderr] Downloaded alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Downloaded alexcrichton-cranelift-bforest v0.53.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 949c389356e1728ac89b5f46bda080bf4c8dba77afc519c7c65dc04d18f001e3 [INFO] running `Command { std: "docker" "start" "-a" "949c389356e1728ac89b5f46bda080bf4c8dba77afc519c7c65dc04d18f001e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "949c389356e1728ac89b5f46bda080bf4c8dba77afc519c7c65dc04d18f001e3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "949c389356e1728ac89b5f46bda080bf4c8dba77afc519c7c65dc04d18f001e3", kill_on_drop: false }` [INFO] [stdout] 949c389356e1728ac89b5f46bda080bf4c8dba77afc519c7c65dc04d18f001e3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 75202f665a6621e8b0da052048ced4d9a024e1a491cbe0333480155fce1c6eff [INFO] running `Command { std: "docker" "start" "-a" "75202f665a6621e8b0da052048ced4d9a024e1a491cbe0333480155fce1c6eff", kill_on_drop: false }` [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-frontend v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/switch.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 291 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] ... [INFO] [stdout] 294 | use cranelift_codegen::ir::Function; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1139:24 [INFO] [stdout] | [INFO] [stdout] 1139 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1139 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1139 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1318:24 [INFO] [stdout] | [INFO] [stdout] 1318 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1318 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1318 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1369:24 [INFO] [stdout] | [INFO] [stdout] 1369 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1369 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1369 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.55s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "75202f665a6621e8b0da052048ced4d9a024e1a491cbe0333480155fce1c6eff", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "75202f665a6621e8b0da052048ced4d9a024e1a491cbe0333480155fce1c6eff", kill_on_drop: false }` [INFO] [stdout] 75202f665a6621e8b0da052048ced4d9a024e1a491cbe0333480155fce1c6eff [INFO] checking alexcrichton-cranelift-frontend-0.53.0 against try#2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 for never-type-fallback-to-never [INFO] extracting crate alexcrichton-cranelift-frontend 0.53.0 into /workspace/builds/worker-3-tc2/source [INFO] validating manifest of crates.io crate alexcrichton-cranelift-frontend 0.53.0 on toolchain 2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] finished tweaking crates.io crate alexcrichton-cranelift-frontend 0.53.0 [INFO] tweaked toml for crates.io crate alexcrichton-cranelift-frontend 0.53.0 written to /workspace/builds/worker-3-tc2/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Updating crates.io index [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Locking 29 packages [INFO] [stderr] Adding ahash v0.2.19 (latest: v0.8.11) [INFO] [stderr] Adding autocfg v0.1.8 (latest: v1.2.0) [INFO] [stderr] Adding hashbrown v0.6.3 (latest: v0.14.3) [INFO] [stderr] Adding target-lexicon v0.10.0 (latest: v0.12.14) [INFO] [stderr] Adding wasi v0.11.0+wasi-snapshot-preview1 (latest: v0.13.0+wasi-0.2.0) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1b8f4df4c0810b3cd52d9d8234d32c8922d8114fd1fa5742ce52288e9b7cdbca [INFO] running `Command { std: "docker" "start" "-a" "1b8f4df4c0810b3cd52d9d8234d32c8922d8114fd1fa5742ce52288e9b7cdbca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b8f4df4c0810b3cd52d9d8234d32c8922d8114fd1fa5742ce52288e9b7cdbca", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b8f4df4c0810b3cd52d9d8234d32c8922d8114fd1fa5742ce52288e9b7cdbca", kill_on_drop: false }` [INFO] [stdout] 1b8f4df4c0810b3cd52d9d8234d32c8922d8114fd1fa5742ce52288e9b7cdbca [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+2d84f2737f3bd9ebfcb07f75aa198d6cf7c715d2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] ba49c697e4ef68a80c53e597e24dc5ffb56a8720b7e69107401f97ec535cca00 [INFO] running `Command { std: "docker" "start" "-a" "ba49c697e4ef68a80c53e597e24dc5ffb56a8720b7e69107401f97ec535cca00", kill_on_drop: false }` [INFO] [stderr] Compiling alexcrichton-cranelift-entity v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-shared v0.53.0 [INFO] [stderr] Compiling target-lexicon v0.10.0 [INFO] [stderr] Compiling thiserror v1.0.58 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Checking log v0.4.21 [INFO] [stderr] Compiling syn v2.0.58 [INFO] [stderr] Checking alexcrichton-cranelift-bforest v0.53.0 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] Compiling thiserror-impl v1.0.58 [INFO] [stderr] Compiling alexcrichton-cranelift-codegen v0.53.0 [INFO] [stderr] Checking alexcrichton-cranelift-frontend v0.53.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `Function` is imported redundantly [INFO] [stdout] --> src/switch.rs:294:9 [INFO] [stdout] | [INFO] [stdout] 291 | use super::*; [INFO] [stdout] | -------- the item `Function` is already imported here [INFO] [stdout] ... [INFO] [stdout] 294 | use cranelift_codegen::ir::Function; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1139:24 [INFO] [stdout] | [INFO] [stdout] 1139 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] = note: `#[warn(non_fmt_panics)]` on by default [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1139 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1139 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1318:24 [INFO] [stdout] | [INFO] [stdout] 1318 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1318 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1318 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: panic message is not a string literal [INFO] [stdout] --> src/ssa.rs:1369:24 [INFO] [stdout] | [INFO] [stdout] 1369 | panic!(_errors); [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021 [INFO] [stdout] = note: for more information, see [INFO] [stdout] help: add a "{}" format string to `Display` the message [INFO] [stdout] | [INFO] [stdout] 1369 | panic!("{}", _errors); [INFO] [stdout] | +++++ [INFO] [stdout] help: or use std::panic::panic_any instead [INFO] [stdout] | [INFO] [stdout] 1369 | std::panic::panic_any(_errors); [INFO] [stdout] | ~~~~~~~~~~~~~~~~~~~~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.38s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: alexcrichton-cranelift-codegen-meta v0.53.0 [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 1` [INFO] running `Command { std: "docker" "inspect" "ba49c697e4ef68a80c53e597e24dc5ffb56a8720b7e69107401f97ec535cca00", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ba49c697e4ef68a80c53e597e24dc5ffb56a8720b7e69107401f97ec535cca00", kill_on_drop: false }` [INFO] [stdout] ba49c697e4ef68a80c53e597e24dc5ffb56a8720b7e69107401f97ec535cca00