[INFO] cloning repository https://github.com/google/evcxr
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/google/evcxr" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 111cb12d674d45850a588b96e50ca9a215d02750
[INFO] checking google/evcxr against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/evcxr 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/google/evcxr
[INFO] finished tweaking git repo https://github.com/google/evcxr
[INFO] tweaked toml for git repo https://github.com/google/evcxr written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/google/evcxr 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] bcbff68233f6fc8da42740ea80c6c4e74311a7f3bb5df12ce5634e5d4f24edc1
[INFO] running `Command { std: "docker" "start" "-a" "bcbff68233f6fc8da42740ea80c6c4e74311a7f3bb5df12ce5634e5d4f24edc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bcbff68233f6fc8da42740ea80c6c4e74311a7f3bb5df12ce5634e5d4f24edc1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bcbff68233f6fc8da42740ea80c6c4e74311a7f3bb5df12ce5634e5d4f24edc1", kill_on_drop: false }`
[INFO] [stdout] bcbff68233f6fc8da42740ea80c6c4e74311a7f3bb5df12ce5634e5d4f24edc1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] a74bf008e686d669cc14c2a7a3d6ae3bfa7c79394c643fcd1e34faad18f633ef
[INFO] running `Command { std: "docker" "start" "-a" "a74bf008e686d669cc14c2a7a3d6ae3bfa7c79394c643fcd1e34faad18f633ef", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking smallvec v1.13.1
[INFO] [stderr]     Checking once_cell v1.19.0
[INFO] [stderr]     Checking pin-project-lite v0.2.13
[INFO] [stderr]     Checking hashbrown v0.14.3
[INFO] [stderr]    Compiling serde v1.0.197
[INFO] [stderr]    Compiling crossbeam-utils v0.8.19
[INFO] [stderr]    Compiling parking_lot_core v0.9.9
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking either v1.10.0
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[INFO] [stderr]    Compiling memoffset v0.9.0
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[INFO] [stderr]     Checking jod-thread v0.1.2
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[INFO] [stderr]    Compiling fst v0.4.7
[INFO] [stderr]    Compiling syn v2.0.52
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
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[INFO] [stderr]     Checking cov-mark v2.0.0-pre.1
[INFO] [stderr]    Compiling semver v1.0.22
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]     Checking dashmap v5.5.3
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]     Checking perf-event v0.4.7
[INFO] [stderr]     Checking memchr v2.7.1
[INFO] [stderr]     Checking arrayvec v0.7.4
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling rustc_apfloat v0.2.0+llvm-462a31f5a5ab
[INFO] [stderr]     Checking fixedbitset v0.4.2
[INFO] [stderr]     Checking ena v0.14.2
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[INFO] [stderr]    Compiling rayon-core v1.12.1
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[INFO] [stderr]     Checking line-index v0.1.1
[INFO] [stderr]    Compiling serde_json v1.0.114
[INFO] [stderr]     Checking ra_ap_text_edit v0.0.204
[INFO] [stderr]    Compiling rustix v0.38.31
[INFO] [stderr]    Compiling unicase v2.7.0
[INFO] [stderr]     Checking mio v0.8.11
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[INFO] [stderr]    Compiling thiserror v1.0.57
[INFO] [stderr]     Checking tinyvec_macros v0.1.1
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[INFO] [stderr]    Compiling pulldown-cmark v0.9.6
[INFO] [stderr]    Compiling camino v1.1.6
[INFO] [stderr]     Checking inotify-sys v0.1.5
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[INFO] [stderr]    Compiling anyhow v1.0.80
[INFO] [stderr]     Checking regex-syntax v0.8.2
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[INFO] [stderr]    Compiling which v6.0.0
[INFO] [stderr]     Checking rustc-demangle v0.1.23
[INFO] [stderr]     Checking fastrand v2.0.1
[INFO] [stderr]     Checking dot v0.1.4
[INFO] [stderr]    Compiling evcxr v0.17.0 (/opt/rustwide/workdir/evcxr)
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[INFO] [stderr]     Checking evcxr_input v1.0.0
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling libmimalloc-sys v0.1.35
[INFO] [stderr]    Compiling typenum v1.17.0
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling num-traits v0.2.18
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[INFO] [stderr]     Checking anstyle-parse v0.2.3
[INFO] [stderr]     Checking regex v1.10.3
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[INFO] [stderr]     Checking getrandom v0.2.12
[INFO] [stderr]    Compiling serde_derive v1.0.197
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
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[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.35.0
[INFO] [stderr]    Compiling chalk-derive v0.96.0
[INFO] [stderr]    Compiling ra-ap-rustc_index_macros v0.40.0
[INFO] [stderr]     Checking ra-ap-rustc_index v0.40.0
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[INFO] [stderr]    Compiling thiserror-impl v1.0.57
[INFO] [stderr]     Checking chalk-ir v0.96.0
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[INFO] [stderr]     Checking mimalloc v0.1.39
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[INFO] [stderr]     Checking clap_lex v0.7.0
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[INFO] [stderr]    Compiling crc32fast v1.4.0
[INFO] [stderr]     Checking chalk-solve v0.96.0
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[INFO] [stderr]    Compiling futures-macro v0.3.30
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[INFO] [stderr]    Compiling async-trait v0.1.77
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[INFO] [stderr]     Checking ra_ap_project_model v0.0.204
[INFO] [stderr]     Checking ra_ap_hir_def v0.0.204
[INFO] [stderr]     Checking ra_ap_hir_ty v0.0.204
[INFO] [stderr]     Checking ra_ap_hir v0.0.204
[INFO] [stderr]     Checking ra_ap_ide_db v0.0.204
[INFO] [stderr]     Checking ra_ap_ide_assists v0.0.204
[INFO] [stderr]     Checking ra_ap_ide_diagnostics v0.0.204
[INFO] [stderr]     Checking ra_ap_ide_completion v0.0.204
[INFO] [stderr]     Checking ra_ap_ide_ssr v0.0.204
[INFO] [stderr]     Checking ra_ap_ide v0.0.204
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr/src/cargo_metadata.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use json::{self};
[INFO] [stdout]    |            ^^^^ the item `json` 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 `Config` is imported redundantly
[INFO] [stdout]    --> evcxr/src/cargo_metadata.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use super::*;
[INFO] [stdout]     |         -------- the item `Config` is already imported here
[INFO] [stdout] 176 |     use crate::eval_context::Config;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> evcxr/src/cargo_metadata.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 176 |     use crate::eval_context::Config;
[INFO] [stdout] 177 |     use anyhow::Result;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr/src/runtime.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> evcxr/src/rust_analyzer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr/src/cargo_metadata.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use json::{self};
[INFO] [stdout]    |            ^^^^ the item `json` 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 `std` is imported redundantly
[INFO] [stdout]   --> evcxr/src/runtime.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> evcxr/src/rust_analyzer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/385fa9d845dd326c6bbfd58c22244215e431948a/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking evcxr_repl v0.17.0 (/opt/rustwide/workdir/evcxr_repl)
[INFO] [stderr]     Checking print_performance_info v0.1.0 (/opt/rustwide/workdir/print_performance_info)
[INFO] [stderr]     Checking evcxr_jupyter v0.17.0 (/opt/rustwide/workdir/evcxr_jupyter)
[INFO] [stdout] warning: the item `evcxr` is imported redundantly
[INFO] [stdout]  --> print_performance_info/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use evcxr::{self};
[INFO] [stdout]   |             ^^^^ the item `evcxr` 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 `evcxr` is imported redundantly
[INFO] [stdout]  --> print_performance_info/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use evcxr::{self};
[INFO] [stdout]   |             ^^^^ the item `evcxr` 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 `json` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use json::{self};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: evcxr_jupyter/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate json;
[INFO] [stdout]    | ------------------ the item `json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use json::{self};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: evcxr_jupyter/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate json;
[INFO] [stdout]    | ------------------ the item `json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized] target(s) in 1m 58s
[INFO] running `Command { std: "docker" "inspect" "a74bf008e686d669cc14c2a7a3d6ae3bfa7c79394c643fcd1e34faad18f633ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a74bf008e686d669cc14c2a7a3d6ae3bfa7c79394c643fcd1e34faad18f633ef", kill_on_drop: false }`
[INFO] [stdout] a74bf008e686d669cc14c2a7a3d6ae3bfa7c79394c643fcd1e34faad18f633ef
[INFO] checking google/evcxr against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgoogle%2Fevcxr" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/google/evcxr 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/google/evcxr
[INFO] finished tweaking git repo https://github.com/google/evcxr
[INFO] tweaked toml for git repo https://github.com/google/evcxr written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/google/evcxr 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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] aecd920e9e79acc620b750927f71fdfdba361ff508ce9e6037805cdcfe27863a
[INFO] running `Command { std: "docker" "start" "-a" "aecd920e9e79acc620b750927f71fdfdba361ff508ce9e6037805cdcfe27863a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aecd920e9e79acc620b750927f71fdfdba361ff508ce9e6037805cdcfe27863a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aecd920e9e79acc620b750927f71fdfdba361ff508ce9e6037805cdcfe27863a", kill_on_drop: false }`
[INFO] [stdout] aecd920e9e79acc620b750927f71fdfdba361ff508ce9e6037805cdcfe27863a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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] d494fb29ef72d8b7d06a0e58b0a147da242744ddfe5bfe73381dde61e43f6b72
[INFO] running `Command { std: "docker" "start" "-a" "d494fb29ef72d8b7d06a0e58b0a147da242744ddfe5bfe73381dde61e43f6b72", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling unicode-ident v1.0.12
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[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr/src/cargo_metadata.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use json::{self};
[INFO] [stdout]    |            ^^^^ the item `json` 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 `Config` is imported redundantly
[INFO] [stdout]    --> evcxr/src/cargo_metadata.rs:176:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use super::*;
[INFO] [stdout]     |         -------- the item `Config` is already imported here
[INFO] [stdout] 176 |     use crate::eval_context::Config;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Result` is imported redundantly
[INFO] [stdout]    --> evcxr/src/cargo_metadata.rs:177:9
[INFO] [stdout]     |
[INFO] [stdout] 175 |     use super::*;
[INFO] [stdout]     |         -------- the item `Result` is already imported here
[INFO] [stdout] 176 |     use crate::eval_context::Config;
[INFO] [stdout] 177 |     use anyhow::Result;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr/src/runtime.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> evcxr/src/rust_analyzer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr/src/cargo_metadata.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | use json::{self};
[INFO] [stdout]    |            ^^^^ the item `json` 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 `std` is imported redundantly
[INFO] [stdout]   --> evcxr/src/runtime.rs:15:11
[INFO] [stdout]    |
[INFO] [stdout] 15 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `TryFrom` is imported redundantly
[INFO] [stdout]   --> evcxr/src/rust_analyzer.rs:35:5
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::convert::TryFrom;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   --> /rustc/645bb72776a6a56a1a8f52631a44bd082b2ba509/library/std/src/prelude/mod.rs:148:13
[INFO] [stdout]    |
[INFO] [stdout]    = note: the item `TryFrom` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking evcxr_repl v0.17.0 (/opt/rustwide/workdir/evcxr_repl)
[INFO] [stderr]     Checking evcxr_jupyter v0.17.0 (/opt/rustwide/workdir/evcxr_jupyter)
[INFO] [stderr]     Checking print_performance_info v0.1.0 (/opt/rustwide/workdir/print_performance_info)
[INFO] [stdout] warning: the item `json` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use json::{self};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: evcxr_jupyter/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate json;
[INFO] [stdout]    | ------------------ the item `json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `evcxr` is imported redundantly
[INFO] [stdout]  --> print_performance_info/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use evcxr::{self};
[INFO] [stdout]   |             ^^^^ the item `evcxr` 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 `json` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | use json::{self};
[INFO] [stdout]    |            ^^^^
[INFO] [stdout]    |
[INFO] [stdout]   ::: evcxr_jupyter/src/main.rs:14:1
[INFO] [stdout]    |
[INFO] [stdout] 14 | extern crate json;
[INFO] [stdout]    | ------------------ the item `json` is already imported here
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `std` is imported redundantly
[INFO] [stdout]   --> evcxr_jupyter/src/jupyter_message.rs:19:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | use std::{self};
[INFO] [stdout]    |           ^^^^ the item `std` is already defined by prelude
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `evcxr` is imported redundantly
[INFO] [stdout]  --> print_performance_info/src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use evcxr::{self};
[INFO] [stdout]   |             ^^^^ the item `evcxr` is already defined by prelude
[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: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized] target(s) in 1m 59s
[INFO] running `Command { std: "docker" "inspect" "d494fb29ef72d8b7d06a0e58b0a147da242744ddfe5bfe73381dde61e43f6b72", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d494fb29ef72d8b7d06a0e58b0a147da242744ddfe5bfe73381dde61e43f6b72", kill_on_drop: false }`
[INFO] [stdout] d494fb29ef72d8b7d06a0e58b0a147da242744ddfe5bfe73381dde61e43f6b72