[INFO] fetching crate palc 3.1.6...
[INFO] checking palc-3.1.6 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate palc 3.1.6 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate palc 3.1.6 on toolchain 30f74ff0dc4d66debc8b50724c446f817e5f75f4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate palc 3.1.6
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate palc 3.1.6
[INFO] tweaked toml for crates.io crate palc 3.1.6 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate crates.io crate palc 3.1.6 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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded concolor v0.0.8
[INFO] [stderr]   Downloaded snapbox-macros v0.2.1
[INFO] [stderr]   Downloaded concolor-query v0.0.5
[INFO] [stderr]   Downloaded kstring v1.0.6
[INFO] [stderr]   Downloaded escargot v0.5.7
[INFO] [stderr]   Downloaded combine v4.6.3
[INFO] [stderr]   Downloaded trybuild v1.0.56
[INFO] [stderr]   Downloaded similar v2.1.0
[INFO] [stderr]   Downloaded snapbox v0.2.9
[INFO] [stderr]   Downloaded toml_edit v0.13.4
[INFO] [stderr]   Downloaded trycmd v0.13.3
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 246a71cc95901aa41bc25deee5b2057351f6aa7fe637d0f829a67270c0cc85ff
[INFO] running `Command { std: "docker" "start" "-a" "246a71cc95901aa41bc25deee5b2057351f6aa7fe637d0f829a67270c0cc85ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "246a71cc95901aa41bc25deee5b2057351f6aa7fe637d0f829a67270c0cc85ff", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "246a71cc95901aa41bc25deee5b2057351f6aa7fe637d0f829a67270c0cc85ff", kill_on_drop: false }`
[INFO] [stdout] 246a71cc95901aa41bc25deee5b2057351f6aa7fe637d0f829a67270c0cc85ff
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc0720b3f2ecf710e078d59a2adee67aacd599a2e5fc4be8fed7febb27e8cacd
[INFO] running `Command { std: "docker" "start" "-a" "dc0720b3f2ecf710e078d59a2adee67aacd599a2e5fc4be8fed7febb27e8cacd", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling crossbeam-utils v0.8.8
[INFO] [stderr]    Compiling quote v1.0.16
[INFO] [stderr]    Compiling semver v1.0.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.8
[INFO] [stderr]    Compiling serde_json v1.0.79
[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking itoa v1.0.1
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.0
[INFO] [stderr]     Checking itertools v0.10.3
[INFO] [stderr]     Checking crossbeam-channel v0.5.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]     Checking crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]    Compiling cast v0.2.7
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling escargot v0.5.7
[INFO] [stderr]     Checking concolor-query v0.0.5
[INFO] [stderr]     Checking bytes v1.1.0
[INFO] [stderr]     Checking plotters-backend v0.3.2
[INFO] [stderr]     Checking unicode-width v0.1.9
[INFO] [stderr]     Checking once_cell v1.10.0
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking plotters-svg v0.3.1
[INFO] [stderr]     Checking concolor v0.0.8
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking os_pipe v1.0.1
[INFO] [stderr]     Checking combine v4.6.3
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]    Compiling trybuild v1.0.56
[INFO] [stderr]     Checking itoa v0.4.8
[INFO] [stderr]     Checking similar v2.1.0
[INFO] [stderr]     Checking half v1.8.2
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking snapbox-macros v0.2.1
[INFO] [stderr]     Checking criterion-plot v0.4.4
[INFO] [stderr]     Checking plotters v0.3.1
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]     Checking clap v2.34.0
[INFO] [stderr]     Checking snapbox v0.2.9
[INFO] [stderr]     Checking os_str_bytes v6.0.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking palc v3.1.6 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/error/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     convert::From,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[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 `Iterator` is imported redundantly
[INFO] [stdout]  --> src/mkeymap.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ffi::OsStr, ffi::OsString, iter::Iterator, ops::Index};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/command.rs:4381:17
[INFO] [stdout]      |
[INFO] [stdout] 4381 |             for mut sc in &mut self.subcommands {
[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: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking kstring v1.0.6
[INFO] [stderr]     Checking toml v0.5.8
[INFO] [stderr]     Checking humantime-serde v1.1.1
[INFO] [stderr]     Checking serde_cbor v0.11.2
[INFO] [stderr]     Checking toml_edit v0.13.4
[INFO] [stderr]     Checking csv v1.1.6
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking criterion v0.3.5
[INFO] [stderr]     Checking trycmd v0.13.3
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/04_new_help.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Command;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> examples/pacman.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{Arg, Command};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/04_new_help.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use clap::{arg, Arg};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/06_rustup.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use clap::{AppSettings, Arg, ArgGroup, Command};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/03_complex.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Arg, Command};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/01_default.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::Command;
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> examples/tutorial_builder/02_apps.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use clap::{arg, Command};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palc` (example "pacman") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error[E0432]: unresolved import `clap`
[INFO] [stdout]  --> benches/05_ripgrep.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use clap::{Arg, Command};
[INFO] [stdout]   |     ^^^^ use of undeclared crate or module `clap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palc` (example "02_apps") due to 2 previous errors
[INFO] [stdout] error: aborting due to 2 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palc` (bench "01_default") due to 2 previous errors
[INFO] [stderr] error: could not compile `palc` (bench "04_new_help") due to 3 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palc` (bench "06_rustup") due to 2 previous errors
[INFO] [stderr] error: could not compile `palc` (bench "03_complex") due to 2 previous errors
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `palc` (bench "05_ripgrep") due to 2 previous errors
[INFO] [stdout] warning: the item `From` is imported redundantly
[INFO] [stdout]  --> src/error/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     convert::From,
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[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 `Iterator` is imported redundantly
[INFO] [stdout]  --> src/mkeymap.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{ffi::OsStr, ffi::OsString, iter::Iterator, ops::Index};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:115:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `Iterator` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/build/command.rs:4381:17
[INFO] [stdout]      |
[INFO] [stdout] 4381 |             for mut sc in &mut self.subcommands {
[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: trait `Foo` is never used
[INFO] [stdout]     --> src/error/mod.rs:1174:15
[INFO] [stdout]      |
[INFO] [stdout] 1174 |         trait Foo: std::error::Error + Send + Sync + 'static {}
[INFO] [stdout]      |               ^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "dc0720b3f2ecf710e078d59a2adee67aacd599a2e5fc4be8fed7febb27e8cacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc0720b3f2ecf710e078d59a2adee67aacd599a2e5fc4be8fed7febb27e8cacd", kill_on_drop: false }`
[INFO] [stdout] dc0720b3f2ecf710e078d59a2adee67aacd599a2e5fc4be8fed7febb27e8cacd
