[INFO] fetching crate witcher 0.1.19... [INFO] checking witcher-0.1.19 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate witcher 0.1.19 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate witcher 0.1.19 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 witcher 0.1.19 [INFO] finished tweaking crates.io crate witcher 0.1.19 [INFO] tweaked toml for crates.io crate witcher 0.1.19 written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] crate crates.io crate witcher 0.1.19 already has a lockfile, it will not be regenerated [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] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded addr2line v0.14.0 [INFO] [stderr] Downloaded gory v0.1.7 [INFO] [stderr] Downloaded backtrace v0.3.55 [INFO] [stderr] Downloaded object v0.22.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 1b81a3ccac8a7423774da749421d9d422d8a2907613cdfe0a283defc9ba305d2 [INFO] running `Command { std: "docker" "start" "-a" "1b81a3ccac8a7423774da749421d9d422d8a2907613cdfe0a283defc9ba305d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1b81a3ccac8a7423774da749421d9d422d8a2907613cdfe0a283defc9ba305d2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1b81a3ccac8a7423774da749421d9d422d8a2907613cdfe0a283defc9ba305d2", kill_on_drop: false }` [INFO] [stdout] 1b81a3ccac8a7423774da749421d9d422d8a2907613cdfe0a283defc9ba305d2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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] 13e645756c07aae7f39f1709f72b8779bdb6bb52292e4d0639ddc60a4cabadee [INFO] running `Command { std: "docker" "start" "-a" "13e645756c07aae7f39f1709f72b8779bdb6bb52292e4d0639ddc60a4cabadee", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking gory v0.1.7 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking witcher v0.1.19 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/lib.rs:62:33 [INFO] [stdout] | [INFO] [stdout] 62 | $crate::Error::raw($msg); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 180 | assert_eq!("oh no!", err!("oh no!").to_string()); [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 [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `err` (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:67:53 [INFO] [stdout] | [INFO] [stdout] 67 | $crate::Error::raw(&format!($fmt, $($arg)*)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 181 | assert_eq!("foo: oh no!", err!("foo: {}", "oh no!").to_string()); [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 [INFO] [stdout] = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.79s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: witcher v0.1.19 (/opt/rustwide/workdir) [INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2` [INFO] running `Command { std: "docker" "inspect" "13e645756c07aae7f39f1709f72b8779bdb6bb52292e4d0639ddc60a4cabadee", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "13e645756c07aae7f39f1709f72b8779bdb6bb52292e4d0639ddc60a4cabadee", kill_on_drop: false }` [INFO] [stdout] 13e645756c07aae7f39f1709f72b8779bdb6bb52292e4d0639ddc60a4cabadee [INFO] checking witcher-0.1.19 against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] extracting crate witcher 0.1.19 into /workspace/builds/worker-2-tc2/source [INFO] validating manifest of crates.io crate witcher 0.1.19 on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking crates.io crate witcher 0.1.19 [INFO] finished tweaking crates.io crate witcher 0.1.19 [INFO] tweaked toml for crates.io crate witcher 0.1.19 written to /workspace/builds/worker-2-tc2/source/Cargo.toml [INFO] crate crates.io crate witcher 0.1.19 already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c7505eccc767b611f4a482b043d308c832dbece4065d0b75c4f0860f4fe7fc62 [INFO] running `Command { std: "docker" "start" "-a" "c7505eccc767b611f4a482b043d308c832dbece4065d0b75c4f0860f4fe7fc62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c7505eccc767b611f4a482b043d308c832dbece4065d0b75c4f0860f4fe7fc62", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c7505eccc767b611f4a482b043d308c832dbece4065d0b75c4f0860f4fe7fc62", kill_on_drop: false }` [INFO] [stdout] c7505eccc767b611f4a482b043d308c832dbece4065d0b75c4f0860f4fe7fc62 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d58144f4105959ea6b310c5feceaa0fc51ded4d3da01bb9fc86589c123074146 [INFO] running `Command { std: "docker" "start" "-a" "d58144f4105959ea6b310c5feceaa0fc51ded4d3da01bb9fc86589c123074146", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.81 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Checking gimli v0.23.0 [INFO] [stderr] Checking adler v0.2.3 [INFO] [stderr] Checking object v0.22.0 [INFO] [stderr] Checking rustc-demangle v0.1.18 [INFO] [stderr] Compiling miniz_oxide v0.4.3 [INFO] [stderr] Checking gory v0.1.7 [INFO] [stderr] Checking addr2line v0.14.0 [INFO] [stderr] Checking backtrace v0.3.55 [INFO] [stderr] Checking witcher v0.1.19 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `From` is imported redundantly [INFO] [stdout] --> src/error.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | convert::From, [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:134:13 [INFO] [stdout] | [INFO] [stdout] = note: the item `From` is already defined here [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/lib.rs:62:33 [INFO] [stdout] | [INFO] [stdout] 62 | $crate::Error::raw($msg); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 180 | assert_eq!("oh no!", err!("oh no!").to_string()); [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 [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `err` (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:67:53 [INFO] [stdout] | [INFO] [stdout] 67 | $crate::Error::raw(&format!($fmt, $($arg)*)); [INFO] [stdout] | ^ [INFO] [stdout] ... [INFO] [stdout] 181 | assert_eq!("foo: oh no!", err!("foo: {}", "oh no!").to_string()); [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 [INFO] [stdout] = note: this warning originates in the macro `err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.59s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: witcher v0.1.19 (/opt/rustwide/workdir) [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" "d58144f4105959ea6b310c5feceaa0fc51ded4d3da01bb9fc86589c123074146", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d58144f4105959ea6b310c5feceaa0fc51ded4d3da01bb9fc86589c123074146", kill_on_drop: false }` [INFO] [stdout] d58144f4105959ea6b310c5feceaa0fc51ded4d3da01bb9fc86589c123074146