[INFO] fetching crate ais 0.11.0...
[INFO] checking ais-0.11.0 against master#30f74ff0dc4d66debc8b50724c446f817e5f75f4 for pr-121848-1
[INFO] extracting crate ais 0.11.0 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate ais 0.11.0 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 ais 0.11.0
[INFO] finished tweaking crates.io crate ais 0.11.0
[INFO] tweaked toml for crates.io crate ais 0.11.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate crates.io crate ais 0.11.0 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 memchr v2.6.4
[INFO] [stderr]   Downloaded atomic-polyfill v0.1.11
[INFO] [stderr]   Downloaded semver v1.0.20
[INFO] [stderr]   Downloaded heapless v0.7.16
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4b3dc8ec8686cc45be4594b2f60da81edba0c581a387e911f9a30bc63205dbcb
[INFO] running `Command { std: "docker" "start" "-a" "4b3dc8ec8686cc45be4594b2f60da81edba0c581a387e911f9a30bc63205dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4b3dc8ec8686cc45be4594b2f60da81edba0c581a387e911f9a30bc63205dbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3dc8ec8686cc45be4594b2f60da81edba0c581a387e911f9a30bc63205dbcb", kill_on_drop: false }`
[INFO] [stdout] 4b3dc8ec8686cc45be4594b2f60da81edba0c581a387e911f9a30bc63205dbcb
[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" "+30f74ff0dc4d66debc8b50724c446f817e5f75f4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c18991f7134c5be3b130a220aa4ad8e42699f280ae5387e30089fdb8223d64e1
[INFO] running `Command { std: "docker" "start" "-a" "c18991f7134c5be3b130a220aa4ad8e42699f280ae5387e30089fdb8223d64e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking ais v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/messages/parsers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lib::std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/messages/parsers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lib::std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/30f74ff0dc4d66debc8b50724c446f817e5f75f4/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings 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 1.57s
[INFO] running `Command { std: "docker" "inspect" "c18991f7134c5be3b130a220aa4ad8e42699f280ae5387e30089fdb8223d64e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c18991f7134c5be3b130a220aa4ad8e42699f280ae5387e30089fdb8223d64e1", kill_on_drop: false }`
[INFO] [stdout] c18991f7134c5be3b130a220aa4ad8e42699f280ae5387e30089fdb8223d64e1
[INFO] checking ais-0.11.0 against try#72eda894eb3548c7ba774079ce0afab42958d4ee for pr-121848-1
[INFO] extracting crate ais 0.11.0 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate ais 0.11.0 on toolchain 72eda894eb3548c7ba774079ce0afab42958d4ee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate ais 0.11.0
[INFO] finished tweaking crates.io crate ais 0.11.0
[INFO] tweaked toml for crates.io crate ais 0.11.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate crates.io crate ais 0.11.0 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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9f6f34f22672cd4423f1e7c06dbffa539e0d4331f5ac903013738fe5a13c57c4
[INFO] running `Command { std: "docker" "start" "-a" "9f6f34f22672cd4423f1e7c06dbffa539e0d4331f5ac903013738fe5a13c57c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9f6f34f22672cd4423f1e7c06dbffa539e0d4331f5ac903013738fe5a13c57c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9f6f34f22672cd4423f1e7c06dbffa539e0d4331f5ac903013738fe5a13c57c4", kill_on_drop: false }`
[INFO] [stdout] 9f6f34f22672cd4423f1e7c06dbffa539e0d4331f5ac903013738fe5a13c57c4
[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" "+72eda894eb3548c7ba774079ce0afab42958d4ee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b9fe281a7c8bc2c240c8e26c3e2ebaef124781a6d5d68fd77604d9ec0c724ce4
[INFO] running `Command { std: "docker" "start" "-a" "b9fe281a7c8bc2c240c8e26c3e2ebaef124781a6d5d68fd77604d9ec0c724ce4", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver v1.0.20
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]     Checking memchr v2.6.4
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking hash32 v0.2.1
[INFO] [stderr]    Compiling lock_api v0.4.11
[INFO] [stderr]     Checking nom v7.1.3
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]     Checking spin v0.9.8
[INFO] [stderr]    Compiling heapless v0.7.16
[INFO] [stderr]     Checking ais v0.11.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/messages/parsers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lib::std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:28
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                            ^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ToString` is imported redundantly
[INFO] [stdout]  --> src/errors.rs:9:36
[INFO] [stdout]   |
[INFO] [stdout] 9 |     use lib::std::string::{String, ToString};
[INFO] [stdout]   |                                    ^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `ToString` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `String` is imported redundantly
[INFO] [stdout]  --> src/messages/parsers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use lib::std::string::String;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]  --> /rustc/72eda894eb3548c7ba774079ce0afab42958d4ee/library/std/src/prelude/mod.rs:125:13
[INFO] [stdout]   |
[INFO] [stdout]   = note: the item `String` is already defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings 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 1.65s
[INFO] running `Command { std: "docker" "inspect" "b9fe281a7c8bc2c240c8e26c3e2ebaef124781a6d5d68fd77604d9ec0c724ce4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9fe281a7c8bc2c240c8e26c3e2ebaef124781a6d5d68fd77604d9ec0c724ce4", kill_on_drop: false }`
[INFO] [stdout] b9fe281a7c8bc2c240c8e26c3e2ebaef124781a6d5d68fd77604d9ec0c724ce4
