[INFO] fetching crate base-encode 0.3.1...
[INFO] testing base-encode-0.3.1 against try#8262275854dc0e5381c9d42d56257d94932c5a87 for pr-90799
[INFO] extracting crate base-encode 0.3.1 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate base-encode 0.3.1 on toolchain 8262275854dc0e5381c9d42d56257d94932c5a87
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate base-encode 0.3.1
[INFO] finished tweaking crates.io crate base-encode 0.3.1
[INFO] tweaked toml for crates.io crate base-encode 0.3.1 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] crate crates.io crate base-encode 0.3.1 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd88a507fd060c815476ab167547dba72b7458aa3817bcb3a0a15bdf5c8f3f12
[INFO] running `Command { std: "docker" "start" "-a" "fd88a507fd060c815476ab167547dba72b7458aa3817bcb3a0a15bdf5c8f3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd88a507fd060c815476ab167547dba72b7458aa3817bcb3a0a15bdf5c8f3f12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd88a507fd060c815476ab167547dba72b7458aa3817bcb3a0a15bdf5c8f3f12", kill_on_drop: false }`
[INFO] [stdout] fd88a507fd060c815476ab167547dba72b7458aa3817bcb3a0a15bdf5c8f3f12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7dc0ecf9f773de739d9f7e5e0459668a563fe2d20fb13b074af8c212fc6785db
[INFO] running `Command { std: "docker" "start" "-a" "7dc0ecf9f773de739d9f7e5e0459668a563fe2d20fb13b074af8c212fc6785db", kill_on_drop: false }`
[INFO] [stderr]    Compiling base-encode v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "7dc0ecf9f773de739d9f7e5e0459668a563fe2d20fb13b074af8c212fc6785db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dc0ecf9f773de739d9f7e5e0459668a563fe2d20fb13b074af8c212fc6785db", kill_on_drop: false }`
[INFO] [stdout] 7dc0ecf9f773de739d9f7e5e0459668a563fe2d20fb13b074af8c212fc6785db
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6e5d2093a01ac0d5ccd3198f5dfbe41f54bc03a769e100b0d46612d5301b5b86
[INFO] running `Command { std: "docker" "start" "-a" "6e5d2093a01ac0d5ccd3198f5dfbe41f54bc03a769e100b0d46612d5301b5b86", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling getrandom v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling base-encode v0.3.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.70s
[INFO] running `Command { std: "docker" "inspect" "6e5d2093a01ac0d5ccd3198f5dfbe41f54bc03a769e100b0d46612d5301b5b86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e5d2093a01ac0d5ccd3198f5dfbe41f54bc03a769e100b0d46612d5301b5b86", kill_on_drop: false }`
[INFO] [stdout] 6e5d2093a01ac0d5ccd3198f5dfbe41f54bc03a769e100b0d46612d5301b5b86
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+8262275854dc0e5381c9d42d56257d94932c5a87" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 869c758037e587c0d6bce4803b0436423b509b177e2db25cc09c9624fefb672f
[INFO] running `Command { std: "docker" "start" "-a" "869c758037e587c0d6bce4803b0436423b509b177e2db25cc09c9624fefb672f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/base_encode-af707b202daabe28)
[INFO] [stderr]    Doc-tests base-encode
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/lib.rs - (line 14) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 24) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 18) ... FAILED
[INFO] [stdout] test src/lib.rs - (line 5) ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/lib.rs - (line 14) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `encode` in this scope
[INFO] [stdout]  --> src/lib.rs:15:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | encode(&[0, 0, 128], 36) // [0, 0, 3, 14]
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base_encode::encode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 24) stdout ----
[INFO] [stdout] error: expected `;`, found `to_string`
[INFO] [stdout]  --> src/lib.rs:25:44
[INFO] [stdout]   |
[INFO] [stdout] 3 | from_str("255", 10, b"0123456789").unwrap() // [0xff]
[INFO] [stdout]   |                                            ^ help: add `;` here
[INFO] [stdout] 4 | 
[INFO] [stdout] 5 | to_string(&[0xa], 2, b"OX").unwrap() // "XOXO"
[INFO] [stdout]   | --------- unexpected token
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `from_str` in this scope
[INFO] [stdout]  --> src/lib.rs:25:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | from_str("255", 10, b"0123456789").unwrap() // [0xff]
[INFO] [stdout]   | ^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base_encode::from_str;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error[E0425]: cannot find function `to_string` in this scope
[INFO] [stdout]  --> src/lib.rs:27:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | to_string(&[0xa], 2, b"OX").unwrap() // "XOXO"
[INFO] [stdout]   | ^^^^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing this function
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base_encode::to_string;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 18) stdout ----
[INFO] [stdout] error[E0425]: cannot find function `decode` in this scope
[INFO] [stdout]  --> src/lib.rs:19:1
[INFO] [stdout]   |
[INFO] [stdout] 3 | decode(&[0, 2, 5, 6], 10) // [0, 1, 0]
[INFO] [stdout]   | ^^^^^^ not found in this scope
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these items
[INFO] [stdout]   |
[INFO] [stdout] 2 | use base_encode::decode;
[INFO] [stdout]   |
[INFO] [stdout] 2 | use core::num::flt2dec::decode;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0425`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/lib.rs - (line 5) stdout ----
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]  --> src/lib.rs:9:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | encode(&data, 10) // [1, 0, 0, 0, 0]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^ expected `()`, found struct `Vec`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected unit type `()`
[INFO] [stdout]                 found struct `Vec<u8>`
[INFO] [stdout] help: consider using a semicolon here
[INFO] [stdout]   |
[INFO] [stdout] 7 | encode(&data, 10); // [1, 0, 0, 0, 0]
[INFO] [stdout]   |                  +
[INFO] [stdout] help: try adding a return type
[INFO] [stdout]   |
[INFO] [stdout] 3 | fn main() { #[allow(non_snake_case)] fn _doctest_main_src_lib_rs_5_0() -> Vec<u8> {
[INFO] [stdout]   |                                                                        ++++++++++
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0308`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/lib.rs - (line 14)
[INFO] [stdout]     src/lib.rs - (line 18)
[INFO] [stdout]     src/lib.rs - (line 24)
[INFO] [stdout]     src/lib.rs - (line 5)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 0 passed; 4 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.25s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass '--doc'
[INFO] running `Command { std: "docker" "inspect" "869c758037e587c0d6bce4803b0436423b509b177e2db25cc09c9624fefb672f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "869c758037e587c0d6bce4803b0436423b509b177e2db25cc09c9624fefb672f", kill_on_drop: false }`
[INFO] [stdout] 869c758037e587c0d6bce4803b0436423b509b177e2db25cc09c9624fefb672f