[INFO] fetching crate bytecodec 0.4.15...
[INFO] checking bytecodec-0.4.15 against master#b0696a5160711c068cb1f01b7437db7990d15750 for pr-121848
[INFO] extracting crate bytecodec 0.4.15 into /workspace/builds/worker-4-tc1/source
[INFO] validating manifest of crates.io crate bytecodec 0.4.15 on toolchain b0696a5160711c068cb1f01b7437db7990d15750
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecodec 0.4.15
[INFO] finished tweaking crates.io crate bytecodec 0.4.15
[INFO] tweaked toml for crates.io crate bytecodec 0.4.15 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b0696a5160711c068cb1f01b7437db7990d15750" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded trackable_derive v1.0.0
[INFO] [stderr]   Downloaded trackable v1.3.0
[INFO] [stderr]   Downloaded trackable v0.2.24
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 020ec9537976a840d3732cd9295b8095e6c771a75461f948318c04a5c68e49c5
[INFO] running `Command { std: "docker" "start" "-a" "020ec9537976a840d3732cd9295b8095e6c771a75461f948318c04a5c68e49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "020ec9537976a840d3732cd9295b8095e6c771a75461f948318c04a5c68e49c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "020ec9537976a840d3732cd9295b8095e6c771a75461f948318c04a5c68e49c5", kill_on_drop: false }`
[INFO] [stdout] 020ec9537976a840d3732cd9295b8095e6c771a75461f948318c04a5c68e49c5
[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" "+b0696a5160711c068cb1f01b7437db7990d15750" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5b0198d5b8715d46944a79ad376056d35323323577228973656356fcbe70ac36
[INFO] running `Command { std: "docker" "start" "-a" "5b0198d5b8715d46944a79ad376056d35323323577228973656356fcbe70ac36", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]    --> src/bytes.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encode` is already imported here
[INFO] [stdout] 470 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 471 |     use crate::{Encode, EncodeExt, ErrorKind};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/bytes.rs:471:36
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] 470 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 471 |     use crate::{Encode, EncodeExt, ErrorKind};
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]     --> src/fixnum.rs:1585:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 |     use super::*;
[INFO] [stdout]      |         -------- the item `Encode` is already imported here
[INFO] [stdout] 1584 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 1585 |     use crate::Encode;
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/io.rs:468:19
[INFO] [stdout]     |
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 468 |     use std::io::{Read, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/io.rs:468:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 468 |     use std::io::{Read, Write};
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]    --> src/padding.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encode` is already imported here
[INFO] [stdout] 124 |     use crate::io::IoDecodeExt;
[INFO] [stdout] 125 |     use crate::{Encode, EncodeExt, Eos};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eos` is imported redundantly
[INFO] [stdout]    --> src/padding.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use super::*;
[INFO] [stdout]     |         -------- the item `Eos` is already imported here
[INFO] [stdout] 124 |     use crate::io::IoDecodeExt;
[INFO] [stdout] 125 |     use crate::{Encode, EncodeExt, Eos};
[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 2.49s
[INFO] running `Command { std: "docker" "inspect" "5b0198d5b8715d46944a79ad376056d35323323577228973656356fcbe70ac36", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b0198d5b8715d46944a79ad376056d35323323577228973656356fcbe70ac36", kill_on_drop: false }`
[INFO] [stdout] 5b0198d5b8715d46944a79ad376056d35323323577228973656356fcbe70ac36
[INFO] checking bytecodec-0.4.15 against try#bfe97fcae016881ad333f0ff8cea2cadb9cf136c for pr-121848
[INFO] extracting crate bytecodec 0.4.15 into /workspace/builds/worker-4-tc2/source
[INFO] validating manifest of crates.io crate bytecodec 0.4.15 on toolchain bfe97fcae016881ad333f0ff8cea2cadb9cf136c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate bytecodec 0.4.15
[INFO] finished tweaking crates.io crate bytecodec 0.4.15
[INFO] tweaked toml for crates.io crate bytecodec 0.4.15 written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc09286c4e8529006432977ea776703a8414103d7d2b39c982559ad94810b2f1
[INFO] running `Command { std: "docker" "start" "-a" "fc09286c4e8529006432977ea776703a8414103d7d2b39c982559ad94810b2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc09286c4e8529006432977ea776703a8414103d7d2b39c982559ad94810b2f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc09286c4e8529006432977ea776703a8414103d7d2b39c982559ad94810b2f1", kill_on_drop: false }`
[INFO] [stdout] fc09286c4e8529006432977ea776703a8414103d7d2b39c982559ad94810b2f1
[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" "+bfe97fcae016881ad333f0ff8cea2cadb9cf136c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8f0fbadc9fe53d57034446114321bb617ced7addb92e97c2be4690fae2a861d0
[INFO] running `Command { std: "docker" "start" "-a" "8f0fbadc9fe53d57034446114321bb617ced7addb92e97c2be4690fae2a861d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling trackable_derive v1.0.0
[INFO] [stderr]     Checking trackable v1.3.0
[INFO] [stderr]     Checking trackable v0.2.24
[INFO] [stderr]     Checking bytecodec v0.4.15 (/opt/rustwide/workdir)
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]    --> src/bytes.rs:471:17
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encode` is already imported here
[INFO] [stdout] 470 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 471 |     use crate::{Encode, EncodeExt, ErrorKind};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `ErrorKind` is imported redundantly
[INFO] [stdout]    --> src/bytes.rs:471:36
[INFO] [stdout]     |
[INFO] [stdout] 469 |     use super::*;
[INFO] [stdout]     |         -------- the item `ErrorKind` is already imported here
[INFO] [stdout] 470 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 471 |     use crate::{Encode, EncodeExt, ErrorKind};
[INFO] [stdout]     |                                    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]     --> src/fixnum.rs:1585:9
[INFO] [stdout]      |
[INFO] [stdout] 1583 |     use super::*;
[INFO] [stdout]      |         -------- the item `Encode` is already imported here
[INFO] [stdout] 1584 |     use crate::io::{IoDecodeExt, IoEncodeExt};
[INFO] [stdout] 1585 |     use crate::Encode;
[INFO] [stdout]      |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]    --> src/io.rs:468:19
[INFO] [stdout]     |
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Read` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 468 |     use std::io::{Read, Write};
[INFO] [stdout]     |                   ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Write` is imported redundantly
[INFO] [stdout]    --> src/io.rs:468:25
[INFO] [stdout]     |
[INFO] [stdout] 465 |     use super::*;
[INFO] [stdout]     |         -------- the item `Write` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 468 |     use std::io::{Read, Write};
[INFO] [stdout]     |                         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Encode` is imported redundantly
[INFO] [stdout]    --> src/padding.rs:125:17
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use super::*;
[INFO] [stdout]     |         -------- the item `Encode` is already imported here
[INFO] [stdout] 124 |     use crate::io::IoDecodeExt;
[INFO] [stdout] 125 |     use crate::{Encode, EncodeExt, Eos};
[INFO] [stdout]     |                 ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Eos` is imported redundantly
[INFO] [stdout]    --> src/padding.rs:125:36
[INFO] [stdout]     |
[INFO] [stdout] 123 |     use super::*;
[INFO] [stdout]     |         -------- the item `Eos` is already imported here
[INFO] [stdout] 124 |     use crate::io::IoDecodeExt;
[INFO] [stdout] 125 |     use crate::{Encode, EncodeExt, Eos};
[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 2.38s
[INFO] running `Command { std: "docker" "inspect" "8f0fbadc9fe53d57034446114321bb617ced7addb92e97c2be4690fae2a861d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8f0fbadc9fe53d57034446114321bb617ced7addb92e97c2be4690fae2a861d0", kill_on_drop: false }`
[INFO] [stdout] 8f0fbadc9fe53d57034446114321bb617ced7addb92e97c2be4690fae2a861d0
