[INFO] fetching crate pier 0.1.5... [INFO] checking pier-0.1.5 against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] extracting crate pier 0.1.5 into /workspace/builds/worker-6-tc1/source [INFO] validating manifest of crates.io crate pier 0.1.5 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] removed /workspace/builds/worker-6-tc1/source/rust-toolchain [INFO] started tweaking crates.io crate pier 0.1.5 [INFO] removed 0 missing tests [INFO] finished tweaking crates.io crate pier 0.1.5 [INFO] tweaked toml for crates.io crate pier 0.1.5 written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] crate crates.io crate pier 0.1.5 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 cfg-if v0.1.7 [INFO] [stderr] Downloaded quote v0.6.11 [INFO] [stderr] Downloaded redox_syscall v0.1.51 [INFO] [stderr] Downloaded proc-macro2 v0.4.27 [INFO] [stderr] Downloaded constant_time_eq v0.1.3 [INFO] [stderr] Downloaded serde_derive v1.0.89 [INFO] [stderr] Downloaded globwalk v0.5.0 [INFO] [stderr] Downloaded escargot v0.4.0 [INFO] [stderr] Downloaded memchr v2.2.0 [INFO] [stderr] Downloaded globset v0.4.4 [INFO] [stderr] Downloaded assert_cmd v0.11.1 [INFO] [stderr] Downloaded argon2rs v0.2.5 [INFO] [stderr] Downloaded bstr v0.2.8 [INFO] [stderr] Downloaded backtrace-sys v0.1.28 [INFO] [stderr] Downloaded csv v1.0.7 [INFO] [stderr] Downloaded winapi v0.3.6 [INFO] [stderr] Downloaded predicates v1.0.1 [INFO] [stderr] Downloaded csv-core v0.1.5 [INFO] [stderr] Downloaded encode_unicode v0.3.5 [INFO] [stderr] Downloaded nodrop v0.1.13 [INFO] [stderr] Downloaded arrayvec v0.4.10 [INFO] [stderr] Downloaded failure v0.1.5 [INFO] [stderr] Downloaded cc v1.0.37 [INFO] [stderr] Downloaded rustc-demangle v0.1.14 [INFO] [stderr] Downloaded backtrace v0.3.16 [INFO] [stderr] Downloaded doc-comment v0.3.1 [INFO] [stderr] Downloaded snafu v0.5.0 [INFO] [stderr] Downloaded termion v1.5.1 [INFO] [stderr] Downloaded unicode-width v0.1.5 [INFO] [stderr] Downloaded syn v1.0.11 [INFO] [stderr] Downloaded ignore v0.4.10 [INFO] [stderr] Downloaded quote v0.4.2 [INFO] [stderr] Downloaded syn v0.12.15 [INFO] [stderr] Downloaded enum-kinds v0.4.1 [INFO] [stderr] Downloaded num-traits v0.2.8 [INFO] [stderr] Downloaded float-cmp v0.4.0 [INFO] [stderr] Downloaded utf8-ranges v1.0.4 [INFO] [stderr] Downloaded regex v1.1.9 [INFO] [stderr] Downloaded structopt-derive v0.3.5 [INFO] [stderr] Downloaded normalize-line-endings v0.2.2 [INFO] [stderr] Downloaded predicates-core v1.0.0 [INFO] [stderr] Downloaded ryu v0.2.8 [INFO] [stderr] Downloaded byteorder v1.3.1 [INFO] [stderr] Downloaded synstructure v0.10.2 [INFO] [stderr] Downloaded failure_derive v0.1.5 [INFO] [stderr] Downloaded rand_core v0.4.0 [INFO] [stderr] Downloaded redox_users v0.3.0 [INFO] [stderr] Downloaded scrawl v1.1.0 [INFO] [stderr] Downloaded snafu-derive v0.5.0 [INFO] [stderr] Downloaded atty v0.2.11 [INFO] [stderr] Downloaded bitflags v1.0.4 [INFO] [stderr] Downloaded structopt v0.3.5 [INFO] [stderr] Downloaded syn v0.15.29 [INFO] [stderr] Downloaded serde v1.0.89 [INFO] [stderr] Downloaded predicates-tree v1.0.0 [INFO] [stderr] Downloaded assert_fs v0.11.3 [INFO] [stderr] Downloaded proc-macro2 v0.2.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 7c0edb3e81d24c98a0fc82394bd5e0cad1cd548aa47f03214d78764b28a56f4d [INFO] running `Command { std: "docker" "start" "-a" "7c0edb3e81d24c98a0fc82394bd5e0cad1cd548aa47f03214d78764b28a56f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "7c0edb3e81d24c98a0fc82394bd5e0cad1cd548aa47f03214d78764b28a56f4d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7c0edb3e81d24c98a0fc82394bd5e0cad1cd548aa47f03214d78764b28a56f4d", kill_on_drop: false }` [INFO] [stdout] 7c0edb3e81d24c98a0fc82394bd5e0cad1cd548aa47f03214d78764b28a56f4d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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] 3f5c373770729b161e4700218983b4693515f06080bacf69d840ff40a34ed67d [INFO] running `Command { std: "docker" "start" "-a" "3f5c373770729b161e4700218983b4693515f06080bacf69d840ff40a34ed67d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.65 [INFO] [stderr] Checking cfg-if v0.1.7 [INFO] [stderr] Compiling proc-macro2 v0.4.27 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Compiling syn v0.15.29 [INFO] [stderr] Compiling autocfg v0.1.7 [INFO] [stderr] Compiling serde v1.0.89 [INFO] [stderr] Compiling getrandom v0.1.13 [INFO] [stderr] Compiling proc-macro2 v1.0.6 [INFO] [stderr] Compiling regex v1.1.9 [INFO] [stderr] Compiling log v0.4.8 [INFO] [stderr] Checking ppv-lite86 v0.2.6 [INFO] [stderr] Compiling cc v1.0.37 [INFO] [stderr] Checking regex-syntax v0.6.12 [INFO] [stderr] Compiling syn v1.0.11 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling quote v0.6.11 [INFO] [stderr] Checking itoa v0.4.4 [INFO] [stderr] Checking aho-corasick v0.7.6 [INFO] [stderr] Checking rand_core v0.5.1 [INFO] [stderr] Compiling quote v1.0.2 [INFO] [stderr] Checking c2-chacha v0.2.3 [INFO] [stderr] Compiling num-traits v0.2.8 [INFO] [stderr] Compiling byteorder v1.3.1 [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking rand_chacha v0.2.1 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling backtrace v0.3.16 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling doc-comment v0.3.1 [INFO] [stderr] Compiling ryu v1.0.2 [INFO] [stderr] Compiling unicode-segmentation v1.6.0 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling heck v0.3.1 [INFO] [stderr] Checking rand v0.7.2 [INFO] [stderr] Checking textwrap v0.11.0 [INFO] [stderr] Checking bstr v0.2.8 [INFO] [stderr] Checking csv-core v0.1.5 [INFO] [stderr] Checking dirs v1.0.5 [INFO] [stderr] Checking crossbeam-utils v0.6.6 [INFO] [stderr] Checking rustc-demangle v0.1.14 [INFO] [stderr] Checking ansi_term v0.11.0 [INFO] [stderr] Checking vec_map v0.8.1 [INFO] [stderr] Checking same-file v1.0.5 [INFO] [stderr] Checking remove_dir_all v0.5.2 [INFO] [stderr] Checking predicates-core v1.0.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking fnv v1.0.6 [INFO] [stderr] Checking clap v2.33.0 [INFO] [stderr] Checking tempfile v3.1.0 [INFO] [stderr] Checking walkdir v2.2.9 [INFO] [stderr] Checking crossbeam-channel v0.3.9 [INFO] [stderr] Checking globset v0.4.4 [INFO] [stderr] Checking float-cmp v0.4.0 [INFO] [stderr] Checking term v0.5.2 [INFO] [stderr] Compiling syn v0.12.15 [INFO] [stderr] Checking dirs-sys v0.3.4 [INFO] [stderr] Compiling proc-macro-error v0.2.6 [INFO] [stderr] Checking normalize-line-endings v0.2.2 [INFO] [stderr] Checking difference v2.0.0 [INFO] [stderr] Checking treeline v0.1.0 [INFO] [stderr] Compiling escargot v0.4.0 [INFO] [stderr] Checking encode_unicode v0.3.5 [INFO] [stderr] Checking predicates-tree v1.0.0 [INFO] [stderr] Checking predicates v1.0.1 [INFO] [stderr] Checking ignore v0.4.10 [INFO] [stderr] Checking dirs v2.0.2 [INFO] [stderr] Checking scrawl v1.1.0 [INFO] [stderr] Checking globwalk v0.5.0 [INFO] [stderr] Checking assert_fs v0.11.3 [INFO] [stderr] Compiling structopt-derive v0.3.5 [INFO] [stderr] Compiling enum-kinds v0.4.1 [INFO] [stderr] Compiling serde_derive v1.0.89 [INFO] [stderr] Compiling snafu-derive v0.5.0 [INFO] [stderr] Checking structopt v0.3.5 [INFO] [stderr] Checking snafu v0.5.0 [INFO] [stderr] Checking csv v1.0.7 [INFO] [stderr] Checking serde_json v1.0.41 [INFO] [stderr] Checking toml v0.4.10 [INFO] [stderr] Checking prettytable-rs v0.8.0 [INFO] [stderr] Checking pier v0.1.5 (/opt/rustwide/workdir) [INFO] [stdout] warning: the item `scrawl` is imported redundantly [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use scrawl; [INFO] [stdout] | ^^^^^^ the item `scrawl` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/defaults.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | return Err($type)?; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/defaults.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | pier_err!(PierError::NoConfigFile) [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: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/script.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `scrawl` is imported redundantly [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use scrawl; [INFO] [stdout] | ^^^^^^ the item `scrawl` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut script = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | / &self.add_script(Script { [INFO] [stdout] 51 | | alias: String::from("hello-pier"), [INFO] [stdout] 52 | | command: String::from("echo Hello, Pier!"), [INFO] [stdout] 53 | | description: Some(String::from("This is an example command.")), [INFO] [stdout] 54 | | reference: None, [INFO] [stdout] 55 | | tags: None, [INFO] [stdout] 56 | | }, false); [INFO] [stdout] | |_________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = &self.add_script(Script { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking assert_cmd v0.11.1 [INFO] [stdout] warning: the item `pier` is imported redundantly [INFO] [stdout] --> tests/common.rs:4:12 [INFO] [stdout] | [INFO] [stdout] 4 | use pier::{self, Pier}; [INFO] [stdout] | ^^^^ the item `pier` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `scrawl` is imported redundantly [INFO] [stdout] --> src/error.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use scrawl; [INFO] [stdout] | ^^^^^^ the item `scrawl` is already defined by prelude [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `dirs` is imported redundantly [INFO] [stdout] --> src/defaults.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use dirs; [INFO] [stdout] | ^^^^ the item `dirs` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trailing semicolon in macro used in expression position [INFO] [stdout] --> src/macros.rs:5:27 [INFO] [stdout] | [INFO] [stdout] 5 | return Err($type)?; [INFO] [stdout] | ^ [INFO] [stdout] | [INFO] [stdout] ::: src/defaults.rs:34:5 [INFO] [stdout] | [INFO] [stdout] 34 | pier_err!(PierError::NoConfigFile) [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: macro invocations at the end of a block are treated as expressions [INFO] [stdout] = note: to ignore the value produced by the macro, add a semicolon after the invocation of `pier_err` [INFO] [stdout] = note: `#[warn(semicolon_in_expressions_from_macros)]` on by default [INFO] [stdout] = note: this warning originates in the macro `pier_err` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `tempfile` is imported redundantly [INFO] [stdout] --> src/script.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 9 | use tempfile; [INFO] [stdout] | ^^^^^^^^ the item `tempfile` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `scrawl` is imported redundantly [INFO] [stdout] --> src/lib.rs:14:5 [INFO] [stdout] | [INFO] [stdout] 14 | use scrawl; [INFO] [stdout] | ^^^^^^ the item `scrawl` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 1 warning emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/lib.rs:107:13 [INFO] [stdout] | [INFO] [stdout] 107 | let mut script = [INFO] [stdout] | ----^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/lib.rs:50:9 [INFO] [stdout] | [INFO] [stdout] 50 | / &self.add_script(Script { [INFO] [stdout] 51 | | alias: String::from("hello-pier"), [INFO] [stdout] 52 | | command: String::from("echo Hello, Pier!"), [INFO] [stdout] 53 | | description: Some(String::from("This is an example command.")), [INFO] [stdout] 54 | | reference: None, [INFO] [stdout] 55 | | tags: None, [INFO] [stdout] 56 | | }, false); [INFO] [stdout] | |_________________^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 50 | let _ = &self.add_script(Script { [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 45.67s [INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: pier v0.1.5 (/opt/rustwide/workdir), syn v0.12.15 [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" "3f5c373770729b161e4700218983b4693515f06080bacf69d840ff40a34ed67d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3f5c373770729b161e4700218983b4693515f06080bacf69d840ff40a34ed67d", kill_on_drop: false }` [INFO] [stdout] 3f5c373770729b161e4700218983b4693515f06080bacf69d840ff40a34ed67d