[INFO] fetching crate sars 0.1.0...
[INFO] checking sars-0.1.0 against try#31561a63598a0f21fc74c024747ef1310fdd2eb2 for pr-133536
[INFO] extracting crate sars 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate sars 0.1.0 on toolchain 31561a63598a0f21fc74c024747ef1310fdd2eb2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sars 0.1.0
[INFO] finished tweaking crates.io crate sars 0.1.0
[INFO] tweaked toml for crates.io crate sars 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate crates.io crate sars 0.1.0 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" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77c9d66691d4dac9c12eca47b74d3b14f566241363b0b64a4b6eb152c2c7f628
[INFO] running `Command { std: "docker" "start" "-a" "77c9d66691d4dac9c12eca47b74d3b14f566241363b0b64a4b6eb152c2c7f628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77c9d66691d4dac9c12eca47b74d3b14f566241363b0b64a4b6eb152c2c7f628", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c9d66691d4dac9c12eca47b74d3b14f566241363b0b64a4b6eb152c2c7f628", kill_on_drop: false }`
[INFO] [stdout] 77c9d66691d4dac9c12eca47b74d3b14f566241363b0b64a4b6eb152c2c7f628
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4a844ea9eb2546a2d2c7022eacef16ef2e8229c7fbb2c7d4d55a9ceca922f72d" "/opt/rustwide/cargo-home/bin/cargo" "+31561a63598a0f21fc74c024747ef1310fdd2eb2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bb43188324e565c15681edc2dc0dc53dc19ead78fac642f0ef734c5d5eb2557c
[INFO] running `Command { std: "docker" "start" "-a" "bb43188324e565c15681edc2dc0dc53dc19ead78fac642f0ef734c5d5eb2557c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling libm v0.2.2
[INFO] [stderr]    Compiling libc v0.2.123
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling serde_derive v1.0.136
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]     Checking ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling indexmap v1.8.1
[INFO] [stderr]    Compiling typenum v1.15.0
[INFO] [stderr]    Compiling rustversion v1.0.6
[INFO] [stderr]     Checking rawpointer v0.2.1
[INFO] [stderr]    Compiling semver v0.1.20
[INFO] [stderr]     Checking matrixmultiply v0.3.2
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]     Checking getrandom v0.2.6
[INFO] [stderr]     Checking rand_core v0.6.3
[INFO] [stderr]    Compiling rustc_version v0.1.7
[INFO] [stderr]     Checking hashbrown v0.11.2
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[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
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[INFO] [stderr]    Compiling newtype_derive v0.1.6
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[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]    Compiling anyhow v1.0.56
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[INFO] [stderr]     Checking ryu v1.0.9
[INFO] [stderr]     Checking byteorder v1.4.3
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[INFO] [stderr]     Checking strum v0.23.0
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking regex v1.5.5
[INFO] [stderr]    Compiling nalgebra-macros v0.1.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.30
[INFO] [stderr]    Compiling enum-map-derive v0.6.0
[INFO] [stderr]    Compiling strum_macros v0.23.1
[INFO] [stderr]    Compiling derive-new v0.5.9
[INFO] [stderr]    Compiling clap_derive v3.1.7
[INFO] [stderr]     Checking enum-map v1.1.1
[INFO] [stderr]    Compiling getset v0.1.2
[INFO] [stderr]     Checking thiserror v1.0.30
[INFO] [stderr]     Checking bio-types v0.12.1
[INFO] [stderr]     Checking clap v3.1.8
[INFO] [stderr]     Checking nalgebra v0.27.1
[INFO] [stderr]     Checking bstr v0.2.17
[INFO] [stderr]     Checking vec_map v0.8.2
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[INFO] [stderr]     Checking sars v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0432]: unresolved import `crate::commons::commons`
[INFO] [stdout]   --> src/commons.rs:28:22
[INFO] [stdout]    |
[INFO] [stdout] 28 |     use crate::commons::commons::longest_common_prefix;
[INFO] [stdout]    |                         ^^^^^^^ could not find `commons` in `commons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0432]: unresolved import `crate::commons::query_mode`
[INFO] [stdout]    --> src/suffix_array.rs:230:22
[INFO] [stdout]     |
[INFO] [stdout] 230 |     use crate::commons::query_mode::QueryMode;
[INFO] [stdout]     |                         ^^^^^^^^^^ could not find `query_mode` in `commons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Component::Prefix`
[INFO] [stdout]  --> src/commons.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Component::Prefix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/suffix_array.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add` and `Deref`
[INFO] [stdout]  --> src/suffix_array.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, Deref};
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/suffix_array.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Str`
[INFO] [stdout]   --> src/suffix_array.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use serde::de::Unexpected::Str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/prefix_table.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/prefix_table.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/prefix_table.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `B`
[INFO] [stdout]  --> src/prefix_table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bstr::{B, ByteSlice};
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::Component::Prefix`
[INFO] [stdout]  --> src/commons.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::path::Component::Prefix;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/suffix_array.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Add` and `Deref`
[INFO] [stdout]  --> src/suffix_array.rs:6:16
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::ops::{Add, Deref};
[INFO] [stdout]   |                ^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]   --> src/suffix_array.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use std::time::Instant;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `serde::de::Unexpected::Str`
[INFO] [stdout]   --> src/suffix_array.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use serde::de::Unexpected::Str;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/prefix_table.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `max`
[INFO] [stdout]  --> src/prefix_table.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::cmp::{max, min};
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Instant`
[INFO] [stdout]  --> src/prefix_table.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Instant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `B`
[INFO] [stdout]  --> src/prefix_table.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bstr::{B, ByteSlice};
[INFO] [stdout]   |            ^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteSlice`
[INFO] [stdout]  --> src/prefix_table.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bstr::{B, ByteSlice};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/suffix_array.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut s = String::new();
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ByteSlice`
[INFO] [stdout]  --> src/prefix_table.rs:7:15
[INFO] [stdout]   |
[INFO] [stdout] 7 | use bstr::{B, ByteSlice};
[INFO] [stdout]   |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `sa`
[INFO] [stdout]    --> src/suffix_array.rs:259:7
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let sa = SuffixArray {
[INFO] [stdout]     |             ^^ help: if this is intentional, prefix it with an underscore: `_sa`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `s` is never read
[INFO] [stdout]   --> src/suffix_array.rs:51:11
[INFO] [stdout]    |
[INFO] [stdout] 51 |         let mut s = String::new();
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/prefix_table.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(prefix_length: usize, mut reference: Vec<u8>, sa: &RawSuffixArray) -> PrefixTable {
[INFO] [stdout]    |                                      ----^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sars` (lib test) due to 2 previous errors; 13 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/prefix_table.rs:16:35
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn new(prefix_length: usize, mut reference: Vec<u8>, sa: &RawSuffixArray) -> PrefixTable {
[INFO] [stdout]    |                                      ----^^^^^^^^^
[INFO] [stdout]    |                                      |
[INFO] [stdout]    |                                      help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/suffix_array.rs:79:4
[INFO] [stdout]    |
[INFO] [stdout] 79 |             file.write_all(pos.as_bytes());
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 79 |             let _ = file.write_all(pos.as_bytes());
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb43188324e565c15681edc2dc0dc53dc19ead78fac642f0ef734c5d5eb2557c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb43188324e565c15681edc2dc0dc53dc19ead78fac642f0ef734c5d5eb2557c", kill_on_drop: false }`
[INFO] [stdout] bb43188324e565c15681edc2dc0dc53dc19ead78fac642f0ef734c5d5eb2557c
