[INFO] cloning repository https://github.com/mayhewj/msh [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mayhewj/msh" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Fmsh", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Fmsh'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 6695003b48e527a1ef9e7c970d6494bc4c548735 [INFO] checking mayhewj/msh against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Fmsh" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/msh 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 git repo https://github.com/mayhewj/msh [INFO] finished tweaking git repo https://github.com/mayhewj/msh [INFO] tweaked toml for git repo https://github.com/mayhewj/msh written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/msh 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] Downloading crates ... [INFO] [stderr] Downloaded env_logger v0.6.0 [INFO] [stderr] Downloaded getopts v0.2.18 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 0020ea1417733c0ab91f55ea5ae5226d2c96bda9b79e4e4e93eab5040ba878f8 [INFO] running `Command { std: "docker" "start" "-a" "0020ea1417733c0ab91f55ea5ae5226d2c96bda9b79e4e4e93eab5040ba878f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0020ea1417733c0ab91f55ea5ae5226d2c96bda9b79e4e4e93eab5040ba878f8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0020ea1417733c0ab91f55ea5ae5226d2c96bda9b79e4e4e93eab5040ba878f8", kill_on_drop: false }` [INFO] [stdout] 0020ea1417733c0ab91f55ea5ae5226d2c96bda9b79e4e4e93eab5040ba878f8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 5ff5e69a6b302d137c05e30162253c0958cad6e072176ff26c04d994d602369b [INFO] running `Command { std: "docker" "start" "-a" "5ff5e69a6b302d137c05e30162253c0958cad6e072176ff26c04d994d602369b", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling failure_derive v0.1.4 [INFO] [stderr] Compiling nix v0.12.0 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Compiling msh v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking failure v0.1.4 [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/history.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_char, c_int, c_void}; [INFO] [stdout] | ^^^^ the item `libc` 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 `libc` is imported redundantly [INFO] [stdout] --> src/interpreter.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/status.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/word.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Environment` is imported redundantly [INFO] [stdout] --> src/word.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 324 | use super::*; [INFO] [stdout] | -------- the item `Environment` is already imported here [INFO] [stdout] 325 | use crate::environment::Environment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/history.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_char, c_int, c_void}; [INFO] [stdout] | ^^^^ the item `libc` 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 `libc` is imported redundantly [INFO] [stdout] --> src/interpreter.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/status.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/word.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.57s [INFO] running `Command { std: "docker" "inspect" "5ff5e69a6b302d137c05e30162253c0958cad6e072176ff26c04d994d602369b", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "5ff5e69a6b302d137c05e30162253c0958cad6e072176ff26c04d994d602369b", kill_on_drop: false }` [INFO] [stdout] 5ff5e69a6b302d137c05e30162253c0958cad6e072176ff26c04d994d602369b [INFO] checking mayhewj/msh against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmayhewj%2Fmsh" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/mayhewj/msh 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 git repo https://github.com/mayhewj/msh [INFO] finished tweaking git repo https://github.com/mayhewj/msh [INFO] tweaked toml for git repo https://github.com/mayhewj/msh written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/mayhewj/msh 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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] a11a08c50d6537f1418b72ba4ee288ae36d9164f79f00866d5af69229eadb708 [INFO] running `Command { std: "docker" "start" "-a" "a11a08c50d6537f1418b72ba4ee288ae36d9164f79f00866d5af69229eadb708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "a11a08c50d6537f1418b72ba4ee288ae36d9164f79f00866d5af69229eadb708", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a11a08c50d6537f1418b72ba4ee288ae36d9164f79f00866d5af69229eadb708", kill_on_drop: false }` [INFO] [stdout] a11a08c50d6537f1418b72ba4ee288ae36d9164f79f00866d5af69229eadb708 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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] 9bac6fd696dd9aaa59c1233f70215b8e4ffa1478e2874ff23e911f39271af2e0 [INFO] running `Command { std: "docker" "start" "-a" "9bac6fd696dd9aaa59c1233f70215b8e4ffa1478e2874ff23e911f39271af2e0", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Checking cfg-if v0.1.6 [INFO] [stderr] Compiling proc-macro2 v0.4.24 [INFO] [stderr] Compiling version_check v0.1.5 [INFO] [stderr] Compiling unicode-xid v0.1.0 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Checking lazy_static v1.2.0 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling failure_derive v0.1.4 [INFO] [stderr] Checking ucd-util v0.1.3 [INFO] [stderr] Checking utf8-ranges v1.0.2 [INFO] [stderr] Checking rustc-demangle v0.1.11 [INFO] [stderr] Compiling nix v0.12.0 [INFO] [stderr] Checking quick-error v1.2.2 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking log v0.4.6 [INFO] [stderr] Compiling msh v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking termcolor v1.0.4 [INFO] [stderr] Checking regex-syntax v0.6.4 [INFO] [stderr] Checking humantime v1.2.0 [INFO] [stderr] Checking bitflags v1.0.4 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking getopts v0.2.18 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Compiling quote v0.6.10 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Checking aho-corasick v0.6.9 [INFO] [stderr] Checking env_logger v0.6.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Checking failure v0.1.4 [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/history.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_char, c_int, c_void}; [INFO] [stdout] | ^^^^ the item `libc` 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 `libc` is imported redundantly [INFO] [stdout] --> src/interpreter.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/status.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/word.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/history.rs:7:12 [INFO] [stdout] | [INFO] [stdout] 7 | use libc::{self, c_char, c_int, c_void}; [INFO] [stdout] | ^^^^ the item `libc` 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 `libc` is imported redundantly [INFO] [stdout] --> src/interpreter.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/status.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `libc` is imported redundantly [INFO] [stdout] --> src/word.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use libc; [INFO] [stdout] | ^^^^ the item `libc` is already defined by prelude [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the item `Environment` is imported redundantly [INFO] [stdout] --> src/word.rs:325:9 [INFO] [stdout] | [INFO] [stdout] 324 | use super::*; [INFO] [stdout] | -------- the item `Environment` is already imported here [INFO] [stdout] 325 | use crate::environment::Environment; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 5 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.44s [INFO] running `Command { std: "docker" "inspect" "9bac6fd696dd9aaa59c1233f70215b8e4ffa1478e2874ff23e911f39271af2e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9bac6fd696dd9aaa59c1233f70215b8e4ffa1478e2874ff23e911f39271af2e0", kill_on_drop: false }` [INFO] [stdout] 9bac6fd696dd9aaa59c1233f70215b8e4ffa1478e2874ff23e911f39271af2e0